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.

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Linux
  • Linux Kernel

Configuration 1 [-]

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.14:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.14:rc2:*:*:*:*:*:*

No data.

References
Link Providers
https://git.kernel.org/stable/c/84b9ac59978a6a4e0812d1c938fad97306272cef cve-icon cve-icon
https://git.kernel.org/stable/c/9bd24927e3eeb85642c7baa3b28be8bea6c2a078 cve-icon cve-icon
https://git.kernel.org/stable/c/b0e592dd46a0a952b41c3bf6c963afdd6a42b526 cve-icon cve-icon
https://git.kernel.org/stable/c/e505b83b9ee6aa0ae2f4395f573a66579ae403fb cve-icon cve-icon
https://git.kernel.org/stable/c/e7e2e2318b1f085044126ba553a4e619842fc36d cve-icon cve-icon
https://lore.kernel.org/linux-cve-announce/2025022606-CVE-2025-21775-3137@gregkh/T cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2025-21775 cve-icon
https://www.cve.org/CVERecord?id=CVE-2025-21775 cve-icon
History

Thu, 02 Oct 2025 21:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Wed, 05 Mar 2025 19:15:00 +0000

Type Values Removed Values Added
First Time appeared Linux
Linux linux Kernel
Weaknesses CWE-476
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.14:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.14:rc2:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel

Fri, 28 Feb 2025 02:00:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

 cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

threat_severity

Low

Thu, 27 Feb 2025 02:45:00 +0000

Type Values Removed Values Added
Description 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.
Title can: ctucanfd: handle skb allocation failure
References
cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published: 2025-02-27T02:18:21.019Z

Updated: 2025-10-01T19:36:40.321Z

Reserved: 2024-12-29T08:45:45.763Z

Link: CVE-2025-21775

cve-icon Vulnrichment

Updated: 2025-10-01T16:56:09.092Z

cve-icon NVD

Status : Modified

Published: 2025-02-27T03:15:18.167

Modified: 2025-10-01T20:18:24.320

Link: CVE-2025-21775

cve-icon Redhat

Severity : Low

Publid Date: 2025-02-27T00:00:00Z

Links: CVE-2025-21775 - Bugzilla