CVE-2026-53186
published 2026-06-25CVE-2026-53186: In the Linux kernel, the following vulnerability has been resolved: RDMA/srp: bound SRP_RSP sense copy by the received length srp_process_rsp() copies sense…
PriorityP350critical9.1CVSS 3.1
AVNACLPRNUINSUCHINAH
EPSS
0.51%
43.6th percentile
In the Linux kernel, the following vulnerability has been resolved:
RDMA/srp: bound SRP_RSP sense copy by the received length
srp_process_rsp() copies sense data from rsp->data + resp_data_len,
where resp_data_len is the full 32-bit value supplied by the SRP target
and is never checked against the number of bytes actually received
(wc->byte_len). The copy length is bounded to SCSI_SENSE_BUFFERSIZE, so
at most 96 bytes are copied, but the source offset is not bounded.
A malicious or compromised SRP target on the InfiniBand/RoCE fabric that
the initiator has logged into can return an SRP_RSP with
SRP_RSP_FLAG_SNSVALID set and a large resp_data_len. The receive buffer
is allocated at the target-chosen max_ti_iu_len, so the source of the
sense copy lands past the bytes actually received; with resp_data_len
near 0xFFFFFFFF it is gigabytes past the buffer and the read faults.
Copy the sense data only if it has not been truncated, that is, only if
the response header, the response data, and the sense region fit within
the bytes actually received; otherwise drop the sense and log. The
in-tree iSER and NVMe-RDMA receive paths already bound their parse by
wc->byte_len; this brings ib_srp into line with them.
Affected
91 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| linux | linux | — | — |
| linux | linux | >= aef9ec39c47f0cece886ddd6b53c440321e0b2a6 < 3889517c2ec7f364914aea8209abfff735f7ecde | 3889517c2ec7f364914aea8209abfff735f7ecde |
| linux | linux | >= aef9ec39c47f0cece886ddd6b53c440321e0b2a6 < ed77cc819ad631264787cade5ae5ec4c535ec6bb | ed77cc819ad631264787cade5ae5ec4c535ec6bb |
| linux | linux | >= aef9ec39c47f0cece886ddd6b53c440321e0b2a6 < 0b9ee09d5e849591f17d98c078033dadea967293 | 0b9ee09d5e849591f17d98c078033dadea967293 |
| linux | linux | >= aef9ec39c47f0cece886ddd6b53c440321e0b2a6 < 0d64bc200ebe4f275b27438c6e593903e0b16fe1 | 0d64bc200ebe4f275b27438c6e593903e0b16fe1 |
| linux | linux | >= aef9ec39c47f0cece886ddd6b53c440321e0b2a6 < 2015038195939eac54a1ee83c9d98ef1a8ccbbce | 2015038195939eac54a1ee83c9d98ef1a8ccbbce |
| linux | linux | >= aef9ec39c47f0cece886ddd6b53c440321e0b2a6 < f92a285db7ff6e598591ccbfb551be155c5f4d57 | f92a285db7ff6e598591ccbfb551be155c5f4d57 |
| linux | linux | >= aef9ec39c47f0cece886ddd6b53c440321e0b2a6 < 3523e53ff95f1837ec3f57ff7558532bcb2661b7 | 3523e53ff95f1837ec3f57ff7558532bcb2661b7 |
| linux | linux | >= aef9ec39c47f0cece886ddd6b53c440321e0b2a6 < 13e91fd076306f5d0cdfa14f53d69e37274723c4 | 13e91fd076306f5d0cdfa14f53d69e37274723c4 |
| linux | linux_kernel | — | — |
| linux | linux_kernel | — | — |
| linux | linux_kernel | — | — |
| linux | linux_kernel | — | — |
| linux | linux_kernel | — | — |
| linux | linux_kernel | — | — |
| linux | linux_kernel | — | — |
| linux | linux_kernel | >= 2.6.15 < 5.10.259 | 5.10.259 |
| linux | linux_kernel | >= 5.11 < 5.15.210 | 5.15.210 |
| linux | linux_kernel | >= 5.16 < 6.1.176 | 6.1.176 |
| linux | linux_kernel | >= 6.13 < 6.18.36 | 6.18.36 |
| linux | linux_kernel | >= 6.19 < 7.0.13 | 7.0.13 |
| linux | linux_kernel | >= 6.2 < 6.6.143 | 6.6.143 |
| linux | linux_kernel | >= 6.7 < 6.12.94 | 6.12.94 |
| ubuntu | aws | — | — |
| ubuntu | aws-6.8 | — | — |
CVSS provenance
nvdv3.19.1CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
vendor_ubuntu9.4CRITICAL
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null pointer dereference vulnerability. A local attacker could possibly use
this to cause a denial of service (system crash). (CVE-2022-3114)
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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
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through the invalidated translation were globally observed. A local
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(CVE-2025-10263)
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An attacker could possibly use these to compromise the system.
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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)
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An attacker could possibly use these to compromise the system.
This update corrects flaws in the following subsystems:
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vendor_ubuntu·2026-09-30·CVSS 9.1
CVE-2025-10263 [CRITICAL] Linux kernel (NVIDIA Tegra) vulnerabilities
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.
This update corrects flaws in the following subsystems:
- ARM64 architecture;
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vendor_ubuntu·2026-09-30·CVSS 9.1
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Title: Linux kernel (AWS FIPS) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
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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)
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An attacker could possibly use these to compromise the system.
This update corrects flaws in the following subsystems:
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Title: Linux kernel (Oracle) 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)
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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)
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vendor_ubuntu·2026-09-29·CVSS 9.4
CVE-2026-63887 [CRITICAL] Linux kernel (NVIDIA) vulnerabilities
Title: Linux kernel (NVIDIA) 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:
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- TCM subsystem;
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(CVE-2026-53131, CVE-2026-53186, CVE-2026-53216, CVE-2026-53221,
CVE-2026-53355, CVE-2026-63886, CVE-2026-63887, CVE-2026-63888,
CVE-2026-63912, CVE-2026-63922, CVE-2026-63924, CVE-2026-63984,
CVE-2026-63992, CVE-2026-63993, CVE-2026-63994, CVE-2026-64000,
CVE-2026-64007, CVE-2026-64091)
Instructions: After a standard syste
Ubuntu
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vendor_ubuntu·2026-09-25·CVSS 9.1
CVE-2026-63912 [CRITICAL] Linux kernel (IBM) vulnerabilities
Title: Linux kernel (IBM) 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.
This update corrects flaws in the following subsystems:
- ARM64 architecture;
- InfiniBand drivers;
- Network drivers;
- TCM subsystem;
- exFAT file system;
- Network file system (NFS) c
Ubuntu
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vendor_ubuntu·2026-09-24·CVSS 9.1
CVE-2026-63886 [CRITICAL] Linux kernel vulnerabilities
Title: Linux kernel 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.
This update corrects flaws in the following subsystems:
- ARM64 architecture;
- InfiniBand drivers;
- Network drivers;
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Ubuntu
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vendor_ubuntu·2026-09-24·CVSS 9.1
CVE-2026-63912 [CRITICAL] Linux kernel vulnerabilities
Title: Linux kernel 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.
This update corrects flaws in the following subsystems:
- ARM64 architecture;
- InfiniBand drivers;
- Network drivers;
- TCM subsystem;
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Linux kernel (Azure) vulnerabilities
vendor_ubuntu·2026-09-22·CVSS 9.1
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
Ubuntu
Linux kernel (NVIDIA Tegra) vulnerabilities
vendor_ubuntu·2026-09-18·CVSS 9.1
CVE-2026-53358 [CRITICAL] Linux kernel (NVIDIA Tegra) vulnerabilities
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.
This update corrects flaws in the following subsystems:
- ARM64 architecture;
- User-space API (UAPI);
- Kernel build system;
- ARM32 architecture;
- PowerPC architecture;
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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
Ubuntu
Linux kernel vulnerabilities
vendor_ubuntu·2026-08-20·CVSS 7.8
CVE-2026-64531 [HIGH] 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:
- x86 architecture;
- InfiniBand drivers;
- Network drivers;
- Network traffic control;
- IPv4 networking;
- IPv6 networking;
- Netfilter;
- Open vSwitch;
- RxRPC session sockets;
- SCTP protocol;
(CVE-2026-46331, CVE-2026-52924, CVE-2026-53131, CVE-2026-53151,
CVE-2026-53175, CVE-2026-53176, CVE-2026-53186, CVE-2026-53212,
CVE-2026-53215, CVE-2026-53216, CVE-2026-53221, CVE-2026-53224,
CVE-2026-53225, CVE-2026-53228, CVE-2026-53246, CVE-2026-53247,
CVE-2026-53260, CVE-2026-53359, CVE-2026-64531)
Instructions:
Ubuntu
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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;
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- 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 (HWE) vulnerabilities
vendor_ubuntu·2026-08-18·CVSS 7.8
CVE-2026-53131 [HIGH] Linux kernel (HWE) vulnerabilities
Title: Linux kernel (HWE) 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:
- x86 architecture;
- InfiniBand drivers;
- Network drivers;
- Network traffic control;
- IPv4 networking;
- IPv6 networking;
- Netfilter;
- RxRPC session sockets;
- SCTP protocol;
(CVE-2026-46331, CVE-2026-52924, CVE-2026-53131, CVE-2026-53151,
CVE-2026-53175, CVE-2026-53176, CVE-2026-53186, CVE-2026-53212,
CVE-2026-53215, CVE-2026-53216, CVE-2026-53221, CVE-2026-53224,
CVE-2026-53225, CVE-2026-53228, CVE-2026-53246, CVE-2026-53247,
CVE-2026-53260, CVE-2026-53359)
Instructions: After a standard system up
Ubuntu
Linux kernel (AWS) vulnerabilities
vendor_ubuntu·2026-08-17·CVSS 7.8
CVE-2026-53225 [HIGH] Linux kernel (AWS) vulnerabilities
Title: Linux kernel (AWS) 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:
- x86 architecture;
- InfiniBand drivers;
- Network drivers;
- Network traffic control;
- IPv4 networking;
- IPv6 networking;
- Netfilter;
- RxRPC session sockets;
- SCTP protocol;
(CVE-2026-46331, CVE-2026-52924, CVE-2026-53131, CVE-2026-53151,
CVE-2026-53175, CVE-2026-53176, CVE-2026-53186, CVE-2026-53212,
CVE-2026-53215, CVE-2026-53216, CVE-2026-53221, CVE-2026-53224,
CVE-2026-53225, CVE-2026-53228, CVE-2026-53246, CVE-2026-53247,
CVE-2026-53260, CVE-2026-53359)
Instructions: After a standard system up
Ubuntu
Linux kernel (OEM) vulnerabilities
vendor_ubuntu·2026-08-13·CVSS 7.8
CVE-2026-53216 [HIGH] Linux kernel (OEM) vulnerabilities
Title: Linux kernel (OEM) 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:
- x86 architecture;
- InfiniBand drivers;
- Network drivers;
- Thunderbolt and USB4 drivers;
- Network traffic control;
- IPv4 networking;
- IPv6 networking;
- Netfilter;
- RxRPC session sockets;
- SCTP protocol;
(CVE-2026-46331, CVE-2026-52924, CVE-2026-53131, CVE-2026-53146,
CVE-2026-53147, CVE-2026-53148, CVE-2026-53149, CVE-2026-53150,
CVE-2026-53151, CVE-2026-53175, CVE-2026-53176, CVE-2026-53186,
CVE-2026-53212, CVE-2026-53215, CVE-2026-53216, CVE-2026-53221,
CVE-2026-53224, CVE-2026-53225, CVE-2026-
Ubuntu
Linux kernel vulnerabilities
vendor_ubuntu·2026-08-12·CVSS 7.8
CVE-2026-53215 [HIGH] 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:
- x86 architecture;
- InfiniBand drivers;
- Network drivers;
- Network traffic control;
- IPv4 networking;
- IPv6 networking;
- Netfilter;
- RxRPC session sockets;
- SCTP protocol;
(CVE-2026-46331, CVE-2026-52924, CVE-2026-53131, CVE-2026-53151,
CVE-2026-53175, CVE-2026-53176, CVE-2026-53186, CVE-2026-53212,
CVE-2026-53215, CVE-2026-53216, CVE-2026-53221, CVE-2026-53224,
CVE-2026-53225, CVE-2026-53228, CVE-2026-53246, CVE-2026-53247,
CVE-2026-53260, CVE-2026-53359)
Instructions: After a standard system update y
Red Hat
kernel: RDMA/srp: bound SRP_RSP sense copy by the received length
vendor_redhat·2026-06-25
CVE-2026-53186 CWE-130 kernel: RDMA/srp: bound SRP_RSP sense copy by the received length
kernel: RDMA/srp: bound SRP_RSP sense copy by the received length
In the Linux kernel, the following vulnerability has been resolved:
RDMA/srp: bound SRP_RSP sense copy by the received length
srp_process_rsp() copies sense data from rsp->data + resp_data_len,
where resp_data_len is the full 32-bit value supplied by the SRP target
and is never checked against the number of bytes actually received
(wc->byte_len). The copy length is bounded to SCSI_SENSE_BUFFERSIZE, so
at most 96 bytes are copied, but the source offset is not bounded.
A malicious or compromised SRP target on the InfiniBand/RoCE fabric that
the initiator has logged into can return an SRP_RSP with
SRP_RSP_FLAG_SNSVALID set and a large resp_data_len. The receive buffer
is allocated at the target-chosen max_ti_iu_len, so the sou
GHSA
In the Linux kernel, the following vulnerability has been resolved: RDMA/srp: bound SRP_RSP sense copy by the received length srp_process_rsp() copies sense data from rsp->data + resp_data_len, wher
ghsa_unreviewed·2026-06-25
CVE-2026-53186 In the Linux kernel, the following vulnerability has been resolved: RDMA/srp: bound SRP_RSP sense copy by the received length srp_process_rsp() copies sense data from rsp->data + resp_data_len, wher
In the Linux kernel, the following vulnerability has been resolved:
RDMA/srp: bound SRP_RSP sense copy by the received length
srp_process_rsp() copies sense data from rsp->data + resp_data_len,
where resp_data_len is the full 32-bit value supplied by the SRP target
and is never checked against the number of bytes actually received
(wc->byte_len). The copy length is bounded to SCSI_SENSE_BUFFERSIZE, so
at most 96 bytes are copied, but the source offset is not bounded.
A malicious or compromised SRP target on the InfiniBand/RoCE fabric that
the initiator has logged into can return an SRP_RSP with
SRP_RSP_FLAG_SNSVALID set and a large resp_data_len. The receive buffer
is allocated at the target-chosen max_ti_iu_len, so the source of the
sense copy lands past the bytes actually received; wi
No detection rules found.
No public exploits indexed.
https://git.kernel.org/stable/c/0b9ee09d5e849591f17d98c078033dadea967293https://git.kernel.org/stable/c/0d64bc200ebe4f275b27438c6e593903e0b16fe1https://git.kernel.org/stable/c/13e91fd076306f5d0cdfa14f53d69e37274723c4https://git.kernel.org/stable/c/2015038195939eac54a1ee83c9d98ef1a8ccbbcehttps://git.kernel.org/stable/c/3523e53ff95f1837ec3f57ff7558532bcb2661b7https://git.kernel.org/stable/c/3889517c2ec7f364914aea8209abfff735f7ecdehttps://git.kernel.org/stable/c/ed77cc819ad631264787cade5ae5ec4c535ec6bbhttps://git.kernel.org/stable/c/f92a285db7ff6e598591ccbfb551be155c5f4d57
2026-06-25
Published