CVE-2026-64125
published 2026-07-19CVE-2026-64125: In the Linux kernel, the following vulnerability has been resolved: net: bcmgenet: keep RBUF EEE/PM disabled Setting RBUF_EEE_EN | RBUF_PM_EN in…
PriorityP350critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
0.55%
44.6th percentile
In the Linux kernel, the following vulnerability has been resolved:
net: bcmgenet: keep RBUF EEE/PM disabled
Setting RBUF_EEE_EN | RBUF_PM_EN in RBUF_ENERGY_CTRL breaks the RX
path on GENET hardware once MAC EEE becomes active. RX traffic stops
flowing while the link stays up and the usual descriptor/RX error
counters remain quiet. In that state the MAC still accepts frames
(rbuf_ovflow_cnt keeps climbing) but RBUF no longer forwards them to
DMA, so rx_packets is no longer incremented at the netdev level. On
some boards the corruption ends up as a paging fault in
skb_release_data via bcmgenet_rx_poll on an LPI exit.
Reproduced on Pi 4B (BCM2711 + BCM54213PE) and confirmed by Florian
Fainelli on an internal Broadcom 4908-family board with the same crash
signature. RBUF_PM_EN is not publicly documented.
This shows up more often now that phy_support_eee() enables EEE by
default, but it also affects older kernels as soon as TX LPI is
turned on via ethtool, so it is not specific to recent changes.
Always clear RBUF_EEE_EN | RBUF_PM_EN in bcmgenet_eee_enable_set so
the bits stay off across resets. UMAC and TBUF setup is left alone so
TX-side EEE keeps working.
Affected
66 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| linux | linux | — | — |
| linux | linux | >= 6ef398ea60d931b97d69ed080bd0bd00fac38ec6 < 2040eb83f6ada148fb32dd98b943a498005d79f2 | 2040eb83f6ada148fb32dd98b943a498005d79f2 |
| linux | linux | >= 6ef398ea60d931b97d69ed080bd0bd00fac38ec6 < f2782ddac82c70df313012da5f71f1f06b5553ca | f2782ddac82c70df313012da5f71f1f06b5553ca |
| linux | linux | >= 6ef398ea60d931b97d69ed080bd0bd00fac38ec6 < b579f3a73da7a7e74213558f4cc3d865c30aaa78 | b579f3a73da7a7e74213558f4cc3d865c30aaa78 |
| linux | linux | >= 6ef398ea60d931b97d69ed080bd0bd00fac38ec6 < 289499907399c5a9f2ed82cb34df49112bb8488f | 289499907399c5a9f2ed82cb34df49112bb8488f |
| linux | linux | >= 6ef398ea60d931b97d69ed080bd0bd00fac38ec6 < a212fc08f5c48a16a94092bf0a9a8b7cf4483b11 | a212fc08f5c48a16a94092bf0a9a8b7cf4483b11 |
| linux | linux | >= 6ef398ea60d931b97d69ed080bd0bd00fac38ec6 < 3d4ef05266ab16d8ef7dd21658a557801eb78704 | 3d4ef05266ab16d8ef7dd21658a557801eb78704 |
| linux | linux | >= 6ef398ea60d931b97d69ed080bd0bd00fac38ec6 < 49bdf6bbb21b9c6e3f4d0c1910bf0ef98424be95 | 49bdf6bbb21b9c6e3f4d0c1910bf0ef98424be95 |
| linux | linux | >= 6ef398ea60d931b97d69ed080bd0bd00fac38ec6 < 9a1730245e416d11ad5c0f2c100061d61cc43f60 | 9a1730245e416d11ad5c0f2c100061d61cc43f60 |
| linux | linux_kernel | — | — |
| linux | linux_kernel | — | — |
| linux | linux_kernel | — | — |
| linux | linux_kernel | — | — |
| linux | linux_kernel | — | — |
| linux | linux_kernel | >= 3.19 < 5.10.258 | 5.10.258 |
| linux | linux_kernel | >= 5.11 < 5.15.209 | 5.15.209 |
| linux | linux_kernel | >= 5.16 < 6.1.175 | 6.1.175 |
| linux | linux_kernel | >= 6.13 < 6.18.34 | 6.18.34 |
| linux | linux_kernel | >= 6.19 < 7.0.11 | 7.0.11 |
| linux | linux_kernel | >= 6.2 < 6.6.142 | 6.6.142 |
| linux | linux_kernel | >= 6.7 < 6.12.92 | 6.12.92 |
| ubuntu | linux | — | — |
| ubuntu | linux-aws | — | — |
| ubuntu | linux-aws-5.15 | — | — |
| ubuntu | linux-aws-6.8 | — | — |
CVSS provenance
nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
vendor_redhat9.8CRITICAL
vendor_ubuntu9.1CRITICAL
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Linux kernel (AWS FIPS) vulnerabilities
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CVE-2026-64064 [MEDIUM] Linux kernel (AWS FIPS) vulnerabilities
Title: Linux kernel (AWS FIPS) vulnerabilities
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- NTFS3 file system;
- SMB network file system;
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Linux kernel (Low Latency) vulnerabilities
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- Hardware monitoring drivers;
- InfiniBand drivers;
- Network drivers;
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- SPI subsystem;
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- NTFS3 file system;
- SMB network file system;
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Linux kernel (Azure) vulnerabilities
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CVE-2026-52938 [CRITICAL] Linux kernel (Azure) vulnerabilities
Title: Linux kernel (Azure) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
It was discovered that some Arm processors could complete a broadcast
translation lookaside buffer (TLB) invalidation before memory writes made
through the invalidated translation were globally observed. A local
attacker could possibly use this to write to memory after permission to do
so had been revoked, bypassing memory protections or escalating privileges.
(CVE-2025-10263)
It was discovered that some AMD Zen 2 processors did not properly isolate
shared resources in the operation cache. A local attacker could possibly
use this issue to corrupt instructions executed at a higher privilege
level, resulting in privilege escalation. (CVE-2025-54518)
Several security issues were di
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Linux kernel (Raspberry Pi) vulnerabilities
vendor_ubuntu·2026-09-21·CVSS 7.1
CVE-2026-46040 [HIGH] Linux kernel (Raspberry Pi) vulnerabilities
Title: Linux kernel (Raspberry Pi) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
Maxim Suhanov discovered that the NTFS file system implementation in the
Linux kernel did not properly validate file name length in certain
situations, leading to an out-of-bounds read. An attacker could use this to
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expose sensitive information (kernel memory). (CVE-2023-45896)
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the floating point divider unit during speculative execution. A local
attacker could use this to expose sensitive information. (CVE-2025-54505)
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shared resources in the operation
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Title: Linux kernel (NVIDIA Tegra) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
It was discovered that some Arm processors could complete a broadcast
translation lookaside buffer (TLB) invalidation before memory writes made
through the invalidated translation were globally observed. A local
attacker could possibly use this to write to memory after permission to do
so had been revoked, bypassing memory protections or escalating privileges.
(CVE-2025-10263)
Several security issues were discovered in the Linux kernel.
An attacker could possibly use these to compromise the system.
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- Bluetooth drivers;
- Arm Firmware Framework for ARMv8-A(FFA);
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- GPU drivers;
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- InfiniBand drivers;
- Network drivers;
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- SPI subsystem;
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- NTFS3 file system;
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vendor_ubuntu·2026-09-18·CVSS 5.5
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Title: Linux kernel (Azure FIPS) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
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An attacker could possibly use these to compromise the system.
This update corrects flaws in the following subsystems:
- ARM32 architecture;
- ARM64 architecture;
- PowerPC architecture;
- Compute Acceleration Framework;
- Drivers core;
- Bluetooth drivers;
- Arm Firmware Framework for ARMv8-A(FFA);
- EFI core;
- GPU drivers;
- Hardware monitoring drivers;
- InfiniBand drivers;
- Network drivers;
- SCSI subsystem;
- SPI subsystem;
- Network file systems library;
- NTFS3 file system;
- SMB network file system;
- File systems infrastructure;
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Ubuntu
Linux kernel (Azure) vulnerabilities
vendor_ubuntu·2026-09-15·CVSS 5.5
CVE-2026-64088 [MEDIUM] Linux kernel (Azure) vulnerabilities
Title: Linux kernel (Azure) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
Several security issues were discovered in the Linux kernel.
An attacker could possibly use these to compromise the system.
This update corrects flaws in the following subsystems:
- ARM32 architecture;
- ARM64 architecture;
- PowerPC architecture;
- Compute Acceleration Framework;
- Drivers core;
- Bluetooth drivers;
- Arm Firmware Framework for ARMv8-A(FFA);
- EFI core;
- GPU drivers;
- Hardware monitoring drivers;
- InfiniBand drivers;
- Network drivers;
- SCSI subsystem;
- SPI subsystem;
- Network file systems library;
- NTFS3 file system;
- SMB network file system;
- File systems infrastructure;
- Software nodes and device properties;
- Bluetooth subsystem;
- Netfilter;
- Trac
Ubuntu
Linux kernel (GCP) vulnerabilities
vendor_ubuntu·2026-09-07·CVSS 9.1
CVE-2026-52938 [CRITICAL] Linux kernel (GCP) vulnerabilities
Title: Linux kernel (GCP) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
It was discovered that some Arm processors could complete a broadcast
translation lookaside buffer (TLB) invalidation before memory writes made
through the invalidated translation were globally observed. A local
attacker could possibly use this to write to memory after permission to do
so had been revoked, bypassing memory protections or escalating privileges.
(CVE-2025-10263)
It was discovered that some AMD Zen 2 processors did not properly isolate
shared resources in the operation cache. A local attacker could possibly
use this issue to corrupt instructions executed at a higher privilege
level, resulting in privilege escalation. (CVE-2025-54518)
Several security issues were disc
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vendor_ubuntu·2026-09-07·CVSS 5.5
CVE-2026-64182 [MEDIUM] Linux kernel vulnerabilities
Title: Linux kernel vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
Several security issues were discovered in the Linux kernel.
An attacker could possibly use these to compromise the system.
This update corrects flaws in the following subsystems:
- ARM32 architecture;
- ARM64 architecture;
- PowerPC architecture;
- Compute Acceleration Framework;
- Drivers core;
- Bluetooth drivers;
- Arm Firmware Framework for ARMv8-A(FFA);
- EFI core;
- GPU drivers;
- Hardware monitoring drivers;
- InfiniBand drivers;
- Network drivers;
- Microsoft Azure Network Adapter (MANA) driver;
- SCSI subsystem;
- SPI subsystem;
- Network file systems library;
- NTFS3 file system;
- SMB network file system;
- File systems infrastructure;
- Software nodes and device properties;
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Ubuntu
Linux kernel (GCP) vulnerabilities
vendor_ubuntu·2026-08-21·CVSS 7.1
CVE-2026-46187 [HIGH] Linux kernel (GCP) vulnerabilities
Title: Linux kernel (GCP) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
Maxim Suhanov discovered that the NTFS file system implementation in the
Linux kernel did not properly validate file name length in certain
situations, leading to an out-of-bounds read. An attacker could use this to
construct a malicious NTFS image that, when mounted and operated on, could
expose sensitive information (kernel memory). (CVE-2023-45896)
It was discovered that some AMD processors did not properly clear data in
the floating point divider unit during speculative execution. A local
attacker could use this to expose sensitive information. (CVE-2025-54505)
It was discovered that some AMD Zen 2 processors did not properly isolate
shared resources in the operation cache. A
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Linux kernel (NVIDIA) vulnerabilities
vendor_ubuntu·2026-08-20·CVSS 7.0
CVE-2026-64234 [HIGH] Linux kernel (NVIDIA) vulnerabilities
Title: Linux kernel (NVIDIA) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
It was discovered that some AMD Zen 2 processors did not properly isolate
shared resources in the operation cache. A local attacker could possibly
use this issue to corrupt instructions executed at a higher privilege
level, resulting in privilege escalation. (CVE-2025-54518)
Several security issues were discovered in the Linux kernel.
An attacker could possibly use these to compromise the system.
This update corrects flaws in the following subsystems:
- x86 platform drivers;
- Cryptographic API;
- PSP security protocol;
- ARM32 architecture;
- ARM64 architecture;
- MIPS architecture;
- PowerPC architecture;
- RISC-V architecture;
- S390 architecture;
- User-Mode Linux (UML);
- x
Ubuntu
Linux kernel (NVIDIA BaseOS) vulnerabilities
vendor_ubuntu·2026-08-20·CVSS 7.0
CVE-2026-64109 [HIGH] Linux kernel (NVIDIA BaseOS) vulnerabilities
Title: Linux kernel (NVIDIA BaseOS) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
It was discovered that some AMD Zen 2 processors did not properly isolate
shared resources in the operation cache. A local attacker could possibly
use this issue to corrupt instructions executed at a higher privilege
level, resulting in privilege escalation. (CVE-2025-54518)
Several security issues were discovered in the Linux kernel.
An attacker could possibly use these to compromise the system.
This update corrects flaws in the following subsystems:
- x86 platform drivers;
- Cryptographic API;
- PSP security protocol;
- ARM32 architecture;
- ARM64 architecture;
- MIPS architecture;
- PowerPC architecture;
- RISC-V architecture;
- S390 architecture;
- User-Mode Linux (UM
Ubuntu
Linux kernel (Intel IoTG) vulnerabilities
vendor_ubuntu·2026-07-31·CVSS 7.1
CVE-2026-52984 [HIGH] Linux kernel (Intel IoTG) vulnerabilities
Title: Linux kernel (Intel IoTG) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
Maxim Suhanov discovered that the NTFS file system implementation in the
Linux kernel did not properly validate file name length in certain
situations, leading to an out-of-bounds read. An attacker could use this to
construct a malicious NTFS image that, when mounted and operated on, could
expose sensitive information (kernel memory). (CVE-2023-45896)
It was discovered that some AMD processors did not properly clear data in
the floating point divider unit during speculative execution. A local
attacker could use this to expose sensitive information. (CVE-2025-54505)
It was discovered that some AMD Zen 2 processors did not properly isolate
shared resources in the operation ca
Ubuntu
Linux kernel (Intel IoTG) vulnerabilities
vendor_ubuntu·2026-07-31·CVSS 7.1
CVE-2026-45912 [HIGH] Linux kernel (Intel IoTG) vulnerabilities
Title: Linux kernel (Intel IoTG) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
Maxim Suhanov discovered that the NTFS file system implementation in the
Linux kernel did not properly validate file name length in certain
situations, leading to an out-of-bounds read. An attacker could use this to
construct a malicious NTFS image that, when mounted and operated on, could
expose sensitive information (kernel memory). (CVE-2023-45896)
It was discovered that some AMD processors did not properly clear data in
the floating point divider unit during speculative execution. A local
attacker could use this to expose sensitive information. (CVE-2025-54505)
It was discovered that some AMD Zen 2 processors did not properly isolate
shared resources in the operation ca
Ubuntu
Linux kernel (Azure FIPS) vulnerabilities
vendor_ubuntu·2026-07-29·CVSS 7.1
CVE-2026-46187 [HIGH] Linux kernel (Azure FIPS) vulnerabilities
Title: Linux kernel (Azure FIPS) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
Maxim Suhanov discovered that the NTFS file system implementation in the
Linux kernel did not properly validate file name length in certain
situations, leading to an out-of-bounds read. An attacker could use this to
construct a malicious NTFS image that, when mounted and operated on, could
expose sensitive information (kernel memory). (CVE-2023-45896)
It was discovered that some AMD processors did not properly clear data in
the floating point divider unit during speculative execution. A local
attacker could use this to expose sensitive information. (CVE-2025-54505)
It was discovered that some AMD Zen 2 processors did not properly isolate
shared resources in the operation ca
Ubuntu
Linux kernel vulnerabilities
vendor_ubuntu·2026-07-28·CVSS 7.1
CVE-2024-36898 [HIGH] Linux kernel vulnerabilities
Title: Linux kernel vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
Maxim Suhanov discovered that the NTFS file system implementation in the
Linux kernel did not properly validate file name length in certain
situations, leading to an out-of-bounds read. An attacker could use this to
construct a malicious NTFS image that, when mounted and operated on, could
expose sensitive information (kernel memory). (CVE-2023-45896)
It was discovered that some AMD processors did not properly clear data in
the floating point divider unit during speculative execution. A local
attacker could use this to expose sensitive information. (CVE-2025-54505)
It was discovered that some AMD Zen 2 processors did not properly isolate
shared resources in the operation cache. A local
Ubuntu
Linux kernel vulnerabilities
vendor_ubuntu·2026-07-28·CVSS 7.0
CVE-2026-64231 [HIGH] Linux kernel vulnerabilities
Title: Linux kernel vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
It was discovered that some AMD Zen 2 processors did not properly isolate
shared resources in the operation cache. A local attacker could possibly
use this issue to corrupt instructions executed at a higher privilege
level, resulting in privilege escalation. (CVE-2025-54518)
Several security issues were discovered in the Linux kernel.
An attacker could possibly use these to compromise the system.
This update corrects flaws in the following subsystems:
- x86 platform drivers;
- Cryptographic API;
- PSP security protocol;
- ARM32 architecture;
- ARM64 architecture;
- MIPS architecture;
- PowerPC architecture;
- RISC-V architecture;
- S390 architecture;
- User-Mode Linux (UML);
- x86 archit
Ubuntu
Linux kernel (Azure) vulnerabilities
vendor_ubuntu·2026-07-24·CVSS 2.0
CVE-2026-64107 [LOW] Linux kernel (Azure) vulnerabilities
Title: Linux kernel (Azure) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
It was discovered that some AMD processors did not properly clear data in
the floating point divider unit during speculative execution. A local
attacker could use this to expose sensitive information. (CVE-2025-54505)
It was discovered that some AMD Zen 2 processors did not properly isolate
shared resources in the operation cache. A local attacker could possibly
use this issue to corrupt instructions executed at a higher privilege
level, resulting in privilege escalation. (CVE-2025-54518)
Several security issues were discovered in the Linux kernel.
An attacker could possibly use these to compromise the system.
This update corrects flaws in the following subsystems:
- x86 platfor
Ubuntu
Linux kernel (Azure CVM) vulnerabilities
vendor_ubuntu·2026-07-24·CVSS 7.1
CVE-2024-36898 [HIGH] Linux kernel (Azure CVM) vulnerabilities
Title: Linux kernel (Azure CVM) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
Maxim Suhanov discovered that the NTFS file system implementation in the
Linux kernel did not properly validate file name length in certain
situations, leading to an out-of-bounds read. An attacker could use this to
construct a malicious NTFS image that, when mounted and operated on, could
expose sensitive information (kernel memory). (CVE-2023-45896)
It was discovered that some AMD processors did not properly clear data in
the floating point divider unit during speculative execution. A local
attacker could use this to expose sensitive information. (CVE-2025-54505)
It was discovered that some AMD Zen 2 processors did not properly isolate
shared resources in the operation cac
Ubuntu
Linux kernel vulnerabilities
vendor_ubuntu·2026-07-23·CVSS 7.0
CVE-2026-64107 [HIGH] Linux kernel vulnerabilities
Title: Linux kernel vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
It was discovered that some AMD Zen 2 processors did not properly isolate
shared resources in the operation cache. A local attacker could possibly
use this issue to corrupt instructions executed at a higher privilege
level, resulting in privilege escalation. (CVE-2025-54518)
Several security issues were discovered in the Linux kernel.
An attacker could possibly use these to compromise the system.
This update corrects flaws in the following subsystems:
- x86 platform drivers;
- PSP security protocol;
- ARM32 architecture;
- ARM64 architecture;
- MIPS architecture;
- PowerPC architecture;
- RISC-V architecture;
- S390 architecture;
- User-Mode Linux (UML);
- x86 architecture;
- Block layer
Ubuntu
Linux kernel vulnerabilities
vendor_ubuntu·2026-07-23·CVSS 7.1
CVE-2026-46187 [HIGH] Linux kernel vulnerabilities
Title: Linux kernel vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
Maxim Suhanov discovered that the NTFS file system implementation in the
Linux kernel did not properly validate file name length in certain
situations, leading to an out-of-bounds read. An attacker could use this to
construct a malicious NTFS image that, when mounted and operated on, could
expose sensitive information (kernel memory). (CVE-2023-45896)
It was discovered that some AMD processors did not properly clear data in
the floating point divider unit during speculative execution. A local
attacker could use this to expose sensitive information. (CVE-2025-54505)
It was discovered that some AMD Zen 2 processors did not properly isolate
shared resources in the operation cache. A local
Ubuntu
Linux kernel (NVIDIA Tegra) vulnerabilities
vendor_ubuntu·2026-07-23·CVSS 7.1
CVE-2026-46187 [HIGH] Linux kernel (NVIDIA Tegra) vulnerabilities
Title: Linux kernel (NVIDIA Tegra) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
Maxim Suhanov discovered that the NTFS file system implementation in the
Linux kernel did not properly validate file name length in certain
situations, leading to an out-of-bounds read. An attacker could use this to
construct a malicious NTFS image that, when mounted and operated on, could
expose sensitive information (kernel memory). (CVE-2023-45896)
It was discovered that some AMD processors did not properly clear data in
the floating point divider unit during speculative execution. A local
attacker could use this to expose sensitive information. (CVE-2025-54505)
It was discovered that some AMD Zen 2 processors did not properly isolate
shared resources in the operation
Ubuntu
Linux kernel vulnerabilities
vendor_ubuntu·2026-07-21·CVSS 7.1
CVE-2024-36898 [HIGH] Linux kernel vulnerabilities
Title: Linux kernel vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
Maxim Suhanov discovered that the NTFS file system implementation in the
Linux kernel did not properly validate file name length in certain
situations, leading to an out-of-bounds read. An attacker could use this to
construct a malicious NTFS image that, when mounted and operated on, could
expose sensitive information (kernel memory). (CVE-2023-45896)
It was discovered that some AMD processors did not properly clear data in
the floating point divider unit during speculative execution. A local
attacker could use this to expose sensitive information. (CVE-2025-54505)
It was discovered that some AMD Zen 2 processors did not properly isolate
shared resources in the operation cache. A local
Ubuntu
Linux kernel (NVIDIA Tegra) vulnerabilities
vendor_ubuntu·2026-07-21·CVSS 7.1
CVE-2024-36898 [HIGH] Linux kernel (NVIDIA Tegra) vulnerabilities
Title: Linux kernel (NVIDIA Tegra) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
Maxim Suhanov discovered that the NTFS file system implementation in the
Linux kernel did not properly validate file name length in certain
situations, leading to an out-of-bounds read. An attacker could use this to
construct a malicious NTFS image that, when mounted and operated on, could
expose sensitive information (kernel memory). (CVE-2023-45896)
It was discovered that some AMD processors did not properly clear data in
the floating point divider unit during speculative execution. A local
attacker could use this to expose sensitive information. (CVE-2025-54505)
It was discovered that some AMD Zen 2 processors did not properly isolate
shared resources in the operation
Red Hat
kernel: net: bcmgenet: keep RBUF EEE/PM disabled
vendor_redhat·2026-07-19·CVSS 9.8
CVE-2026-64125 [CRITICAL] CWE-15 kernel: net: bcmgenet: keep RBUF EEE/PM disabled
kernel: net: bcmgenet: keep RBUF EEE/PM disabled
In the Linux kernel, the following vulnerability has been resolved:
net: bcmgenet: keep RBUF EEE/PM disabled
Setting RBUF_EEE_EN | RBUF_PM_EN in RBUF_ENERGY_CTRL breaks the RX
path on GENET hardware once MAC EEE becomes active. RX traffic stops
flowing while the link stays up and the usual descriptor/RX error
counters remain quiet. In that state the MAC still accepts frames
(rbuf_ovflow_cnt keeps climbing) but RBUF no longer forwards them to
DMA, so rx_packets is no longer incremented at the netdev level. On
some boards the corruption ends up as a paging fault in
skb_release_data via bcmgenet_rx_poll on an LPI exit.
Reproduced on Pi 4B (BCM2711 + BCM54213PE) and confirmed by Florian
Fainelli on an internal Broadcom 4908-family board with th
VulDB
Linux Kernel up to 7.0.10 Bcmgenet bcmgenet_eee_enable_set state issue (CNNVD-2026-98270140)
vuldb·2026-07-21·CVSS 9.8
CVE-2026-64125 [CRITICAL] Linux Kernel up to 7.0.10 Bcmgenet bcmgenet_eee_enable_set state issue (CNNVD-2026-98270140)
A vulnerability categorized as critical has been discovered in Linux Kernel up to 7.0.10. The affected element is the function bcmgenet_eee_enable_set of the component Bcmgenet. Such manipulation leads to state issue.
This vulnerability is documented as CVE-2026-64125. The attack can be executed remotely. There is not any exploit available.
GHSA
In the Linux kernel, the following vulnerability has been resolved: net: bcmgenet: keep RBUF EEE/PM disabled Setting RBUF_EEE_EN | RBUF_PM_EN in RBUF_ENERGY_CTRL breaks the RX path on GENET hardware
ghsa_unreviewed·2026-07-19
CVE-2026-64125 [CRITICAL] In the Linux kernel, the following vulnerability has been resolved: net: bcmgenet: keep RBUF EEE/PM disabled Setting RBUF_EEE_EN | RBUF_PM_EN in RBUF_ENERGY_CTRL breaks the RX path on GENET hardware
In the Linux kernel, the following vulnerability has been resolved:
net: bcmgenet: keep RBUF EEE/PM disabled
Setting RBUF_EEE_EN | RBUF_PM_EN in RBUF_ENERGY_CTRL breaks the RX
path on GENET hardware once MAC EEE becomes active. RX traffic stops
flowing while the link stays up and the usual descriptor/RX error
counters remain quiet. In that state the MAC still accepts frames
(rbuf_ovflow_cnt keeps climbing) but RBUF no longer forwards them to
DMA, so rx_packets is no longer incremented at the netdev level. On
some boards the corruption ends up as a paging fault in
skb_release_data via bcmgenet_rx_poll on an LPI exit.
Reproduced on Pi 4B (BCM2711 + BCM54213PE) and confirmed by Florian
Fainelli on an internal Broadcom 4908-family board with the same crash
signature. RBUF_PM_EN is not publi
No detection rules found.
No public exploits indexed.
https://git.kernel.org/stable/c/2040eb83f6ada148fb32dd98b943a498005d79f2https://git.kernel.org/stable/c/289499907399c5a9f2ed82cb34df49112bb8488fhttps://git.kernel.org/stable/c/3d4ef05266ab16d8ef7dd21658a557801eb78704https://git.kernel.org/stable/c/49bdf6bbb21b9c6e3f4d0c1910bf0ef98424be95https://git.kernel.org/stable/c/9a1730245e416d11ad5c0f2c100061d61cc43f60https://git.kernel.org/stable/c/a212fc08f5c48a16a94092bf0a9a8b7cf4483b11https://git.kernel.org/stable/c/b579f3a73da7a7e74213558f4cc3d865c30aaa78https://git.kernel.org/stable/c/f2782ddac82c70df313012da5f71f1f06b5553ca
2026-07-19
Published