CVE-2025-21775
published 2025-02-27CVE-2025-21775: In the Linux kernel, the following vulnerability has been resolved: can: ctucanfd: handle skb allocation failure If skb allocation fails, the pointer to struct…
PriorityP418medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.22%
12.2th percentile
In the Linux kernel, the following vulnerability has been resolved:
can: ctucanfd: handle skb allocation failure
If skb allocation fails, the pointer to struct can_frame is NULL. This
is actually handled everywhere inside ctucan_err_interrupt() except for
the only place.
Add the missed NULL check.
Found by Linux Verification Center (linuxtesting.org) with SVACE static
analysis tool.
Affected
19 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | linux | < linux 6.1.129-1 (bookworm) | linux 6.1.129-1 (bookworm) |
| debian | linux-6.1 | < linux 6.1.129-1 (bookworm) | linux 6.1.129-1 (bookworm) |
| linux | linux | — | — |
| linux | linux | >= 2dcb8e8782d8e4c38903bf37b1a24d3ffd193da7 < 84b9ac59978a6a4e0812d1c938fad97306272cef | 84b9ac59978a6a4e0812d1c938fad97306272cef |
| linux | linux | >= 2dcb8e8782d8e4c38903bf37b1a24d3ffd193da7 < e505b83b9ee6aa0ae2f4395f573a66579ae403fb | e505b83b9ee6aa0ae2f4395f573a66579ae403fb |
| linux | linux | >= 2dcb8e8782d8e4c38903bf37b1a24d3ffd193da7 < b0e592dd46a0a952b41c3bf6c963afdd6a42b526 | b0e592dd46a0a952b41c3bf6c963afdd6a42b526 |
| linux | linux | >= 2dcb8e8782d8e4c38903bf37b1a24d3ffd193da7 < e7e2e2318b1f085044126ba553a4e619842fc36d | e7e2e2318b1f085044126ba553a4e619842fc36d |
| linux | linux | >= 2dcb8e8782d8e4c38903bf37b1a24d3ffd193da7 < 9bd24927e3eeb85642c7baa3b28be8bea6c2a078 | 9bd24927e3eeb85642c7baa3b28be8bea6c2a078 |
| linux | linux_kernel | — | — |
| linux | linux_kernel | >= 0 < 6.1.129-1 | 6.1.129-1 |
| linux | linux_kernel | >= 0 < 6.12.16-1 | 6.12.16-1 |
| linux | linux_kernel | >= 0 < 6.12.16-1 | 6.12.16-1 |
| linux | linux_kernel | >= 0 < 6.8.0-78.78 | 6.8.0-78.78 |
| linux | linux_kernel | >= 5.19 < 6.1.129 | 6.1.129 |
| linux | linux_kernel | >= 6.13 < 6.13.4 | 6.13.4 |
| linux | linux_kernel | >= 6.2 < 6.6.79 | 6.6.79 |
| linux | linux_kernel | >= 6.7 < 6.12.16 | 6.12.16 |
| msrc | azl3_kernel_6.6.78.1-3_on_azure_linux_3.0 | — | — |
| msrc | azl3_kernel_6.6.79.1-1_on_azure_linux_3.0 | — | — |
CVSS provenance
nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
osv5.5MEDIUM
vendor_debian5.5MEDIUM
vendor_msrc5.5MEDIUM
vendor_redhat5.5MEDIUM
vendor_ubuntu5.5MEDIUM
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- GPIO subsystem;
- GPU drivers;
- HID subsystem;
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- Serial ATA and Parallel ATA drivers;
- Drivers core;
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- Bluetooth drivers;
- Character device driver;
- TPM device driver;
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- Serial ATA and Parallel ATA drivers;
- Drivers core;
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- Bluetooth drivers;
- Character device driver;
- TPM device driver;
- Clock framework and drivers;
- Hardware crypto device drivers;
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- GPU drivers;
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An attacker could possibly use these to compromise the system.
This update corrects flaws in the following subsystems:
- ARM64 architecture;
- PowerPC architecture;
- x86 architecture;
- Block layer subsystem;
- Serial ATA and Parallel ATA drivers;
- Drivers core;
- Network block device driver;
- Bluetooth drivers;
- Character device driver;
- TPM device driver;
- Clock framework and drivers;
- Hardware crypto device drivers;
- FireWire subsystem;
- EFI core;
- Qualcomm firmware drivers;
- GPIO subsystem;
- GPU drivers;
- HID subsystem;
- I2C subsystem;
- I3C subsystem;
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GHSA
GHSA-5v6r-j86q-gwmh: In the Linux kernel, the following vulnerability has been resolved:
can: ctucanfd: handle skb allocation failure
If skb allocation fails, the pointe
ghsa_unreviewed·2025-02-27
CVE-2025-21775 [MEDIUM] CWE-476 GHSA-5v6r-j86q-gwmh: In the Linux kernel, the following vulnerability has been resolved:
can: ctucanfd: handle skb allocation failure
If skb allocation fails, the pointe
In the Linux kernel, the following vulnerability has been resolved:
can: ctucanfd: handle skb allocation failure
If skb allocation fails, the pointer to struct can_frame is NULL. This
is actually handled everywhere inside ctucan_err_interrupt() except for
the only place.
Add the missed NULL check.
Found by Linux Verification Center (linuxtesting.org) with SVACE static
analysis tool.
OSV
CVE-2025-21775: In the Linux kernel, the following vulnerability has been resolved: can: ctucanfd: handle skb allocation failure If skb allocation fails, the pointer
osv·2025-02-27·CVSS 5.5
CVE-2025-21775 [MEDIUM] CVE-2025-21775: In the Linux kernel, the following vulnerability has been resolved: can: ctucanfd: handle skb allocation failure If skb allocation fails, the pointer
In the Linux kernel, the following vulnerability has been resolved: can: ctucanfd: handle skb allocation failure If skb allocation fails, the pointer to struct can_frame is NULL. This is actually handled everywhere inside ctucan_err_interrupt() except for the only place. Add the missed NULL check. Found by Linux Verification Center (linuxtesting.org) with SVACE static analysis tool.
Ubuntu
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vendor_ubuntu·2025-09-03
CVE-2025-21741 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:
- ARM64 architecture;
- PowerPC architecture;
- S390 architecture;
- x86 architecture;
- Block layer subsystem;
- Serial ATA and Parallel ATA drivers;
- Drivers core;
- Network block device driver;
- Character device driver;
- TPM device driver;
- Clock framework and drivers;
- FireWire subsystem;
- GPIO subsystem;
- GPU drivers;
- HID subsystem;
- I3C subsystem;
- InfiniBand drivers;
- Input Device (Mouse) drivers;
- IOMMU subsystem;
- Multiple devices driver;
- Media drivers;
- NVIDIA Tegra memory cont
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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;
- PowerPC architecture;
- x86 architecture;
- Block layer subsystem;
- GPIO subsystem;
- GPU drivers;
- HID subsystem;
- Input Device (Mouse) drivers;
- Multiple devices driver;
- Media drivers;
- Network drivers;
- PCI subsystem;
- S/390 drivers;
- SPI subsystem;
- Trusted Execution Environment drivers;
- UFS subsystem;
- USB Device Class drivers;
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- USB Gadget drivers;
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- Network file system (NFS) server daemon;
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- x86 architecture;
- Block layer subsystem;
- GPIO subsystem;
- GPU drivers;
- HID subsystem;
- Input Device (Mouse) drivers;
- Multiple devices driver;
- Media drivers;
- Network drivers;
- PCI subsystem;
- S/390 drivers;
- SPI subsystem;
- Trusted Execution Environment drivers;
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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:
- ARM64 architecture;
- PowerPC architecture;
- x86 architecture;
- Block layer subsystem;
- GPIO subsystem;
- GPU drivers;
- HID subsystem;
- Input Device (Mouse) drivers;
- Multiple devices driver;
- Media drivers;
- Network drivers;
- PCI subsystem;
- S/390 drivers;
- SPI subsystem;
- Trusted Execution Environment drivers;
- UFS subsystem;
- USB Device Class drivers;
- USB core drivers;
- USB Gadget drivers;
- Framebuffer layer;
- Network file system (NFS) client;
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CVE-2025-21855 [MEDIUM] Linux kernel vulnerabilities
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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:
- ARM64 architecture;
- PowerPC architecture;
- x86 architecture;
- Block layer subsystem;
- GPIO subsystem;
- GPU drivers;
- HID subsystem;
- Input Device (Mouse) drivers;
- Multiple devices driver;
- Media drivers;
- Network drivers;
- PCI subsystem;
- S/390 drivers;
- SPI subsystem;
- Trusted Execution Environment drivers;
- UFS subsystem;
- USB Device Class drivers;
- USB core drivers;
- USB Gadget drivers;
- Framebuffer layer;
- Network file system (NFS) client;
- Network file system (NFS) server daemon;
-
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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;
- PowerPC architecture;
- x86 architecture;
- Block layer subsystem;
- GPIO subsystem;
- GPU drivers;
- HID subsystem;
- Input Device (Mouse) drivers;
- Multiple devices driver;
- Media drivers;
- Network drivers;
- PCI subsystem;
- S/390 drivers;
- SPI subsystem;
- Trusted Execution Environment drivers;
- UFS subsystem;
- USB Device Class drivers;
- USB core drivers;
- USB Gadget drivers;
- Framebuffer layer;
- Network file system (NFS) client;
- Network file system (NFS) server daemon;
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CVE-2024-57977 Linux kernel vulnerabilities
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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:
- ARM64 architecture;
- PowerPC architecture;
- x86 architecture;
- Block layer subsystem;
- Serial ATA and Parallel ATA drivers;
- Drivers core;
- Network block device driver;
- Bluetooth drivers;
- Character device driver;
- TPM device driver;
- Clock framework and drivers;
- Hardware crypto device drivers;
- FireWire subsystem;
- EFI core;
- Qualcomm firmware drivers;
- GPIO subsystem;
- GPU drivers;
- HID subsystem;
- I2C subsystem;
- I3C subsystem;
- InfiniBand drivers;
- Input Device (Mouse) drivers;
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Ubuntu
Linux kernel (AWS) vulnerabilities
vendor_ubuntu·2025-05-22
CVE-2025-21716 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:
- ARM64 architecture;
- PowerPC architecture;
- x86 architecture;
- Block layer subsystem;
- Serial ATA and Parallel ATA drivers;
- Drivers core;
- Network block device driver;
- Bluetooth drivers;
- Character device driver;
- TPM device driver;
- Clock framework and drivers;
- Hardware crypto device drivers;
- FireWire subsystem;
- EFI core;
- Qualcomm firmware drivers;
- GPIO subsystem;
- GPU drivers;
- HID subsystem;
- I2C subsystem;
- I3C subsystem;
- InfiniBand drivers;
- Input Device (Mouse) drivers;
Ubuntu
Linux kernel vulnerabilities
vendor_ubuntu·2025-05-20
CVE-2025-21716 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:
- ARM64 architecture;
- PowerPC architecture;
- x86 architecture;
- Block layer subsystem;
- Serial ATA and Parallel ATA drivers;
- Drivers core;
- Network block device driver;
- Bluetooth drivers;
- Character device driver;
- TPM device driver;
- Clock framework and drivers;
- Hardware crypto device drivers;
- FireWire subsystem;
- EFI core;
- Qualcomm firmware drivers;
- GPIO subsystem;
- GPU drivers;
- HID subsystem;
- I2C subsystem;
- I3C subsystem;
- InfiniBand drivers;
- Input Device (Mouse) drivers;
- IOM
Red Hat
kernel: can: ctucanfd: handle skb allocation failure
vendor_redhat·2025-02-27·CVSS 5.5
CVE-2025-21775 [MEDIUM] CWE-476 kernel: can: ctucanfd: handle skb allocation failure
kernel: can: ctucanfd: handle skb allocation failure
In the Linux kernel, the following vulnerability has been resolved:
can: ctucanfd: handle skb allocation failure
If skb allocation fails, the pointer to struct can_frame is NULL. This
is actually handled everywhere inside ctucan_err_interrupt() except for
the only place.
Add the missed NULL check.
Found by Linux Verification Center (linuxtesting.org) with SVACE static
analysis tool.
Package: kernel (Red Hat Enterprise Linux 10) - Not affected
Package: kernel (Red Hat Enterprise Linux 6) - Not affected
Package: kernel (Red Hat Enterprise Linux 7) - Not affected
Package: kernel-rt (Red Hat Enterprise Linux 7) - Not affected
Package: kernel (Red Hat Enterprise Linux 8) - Not affected
Package: kernel-rt (Red Hat Enterprise Linux 8) -
Microsoft
can: ctucanfd: handle skb allocation failure
vendor_msrc·2025-02-11·CVSS 5.5
CVE-2025-21775 [MEDIUM] CWE-476 can: ctucanfd: handle skb allocation failure
can: ctucanfd: handle skb allocation failure
FAQ: Is Azure Linux the only Microsoft product that includes this open-source library and is therefore potentially affected by this vulnerability?
One of the main benefits to our customers who choose to use the Azure Linux distro is the commitment to keep it up to date with the most recent and most secure versions of the open source libraries with which the distro is composed. Microsoft is committed to transparency in this work which is why we began publishing CSAF/VEX in October 2025. See this blog post for more information. If impact to additional products is identified, we will update the CVE to reflect this.
Mariner: Mariner
Linux: Linux
Customer Action Required: Yes
Remediation: CBL-Mariner Releases
Reference: https://learn.microsoft.
Debian
CVE-2025-21775: linux - In the Linux kernel, the following vulnerability has been resolved: can: ctucan...
vendor_debian·2025·CVSS 5.5
CVE-2025-21775 [MEDIUM] CVE-2025-21775: linux - In the Linux kernel, the following vulnerability has been resolved: can: ctucan...
In the Linux kernel, the following vulnerability has been resolved: can: ctucanfd: handle skb allocation failure If skb allocation fails, the pointer to struct can_frame is NULL. This is actually handled everywhere inside ctucan_err_interrupt() except for the only place. Add the missed NULL check. Found by Linux Verification Center (linuxtesting.org) with SVACE static analysis tool.
Scope: local
bookworm: resolved (fixed in 6.1.129-1)
bullseye: resolved
forky: resolved (fixed in 6.12.16-1)
sid: resolved (fixed in 6.12.16-1)
trixie: resolved (fixed in 6.12.16-1)
No detection rules found.
No public exploits indexed.
https://git.kernel.org/stable/c/84b9ac59978a6a4e0812d1c938fad97306272cefhttps://git.kernel.org/stable/c/9bd24927e3eeb85642c7baa3b28be8bea6c2a078https://git.kernel.org/stable/c/b0e592dd46a0a952b41c3bf6c963afdd6a42b526https://git.kernel.org/stable/c/e505b83b9ee6aa0ae2f4395f573a66579ae403fbhttps://git.kernel.org/stable/c/e7e2e2318b1f085044126ba553a4e619842fc36dhttps://lists.debian.org/debian-lts-announce/2025/03/msg00028.html
2025-02-27
Published