CVE-2025-21775
Linux Kernel: CAN: ctucanfd Skb Allocation Null Pointer Dereference
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.
INFO
Published Date :
Feb. 27, 2025, 3:15 a.m.
Last Modified :
March 5, 2025, 6:47 p.m.
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-21775.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
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The following list is the news that have been mention
CVE-2025-21775 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-21775 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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Initial Analysis by [email protected]
Mar. 05, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Added CWE CWE-476 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:6.14:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.13 from (excluding) 6.13.4 *cpe:2.3:o:linux:linux_kernel:6.14:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 from (excluding) 6.6.79 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 from (excluding) 6.12.16 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.19 from (excluding) 6.1.129 Added Reference Type kernel.org: https://git.kernel.org/stable/c/84b9ac59978a6a4e0812d1c938fad97306272cef Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/9bd24927e3eeb85642c7baa3b28be8bea6c2a078 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/b0e592dd46a0a952b41c3bf6c963afdd6a42b526 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/e505b83b9ee6aa0ae2f4395f573a66579ae403fb Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/e7e2e2318b1f085044126ba553a4e619842fc36d Types: Patch -
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Feb. 27, 2025
Action Type Old Value New Value 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. Added Reference https://git.kernel.org/stable/c/84b9ac59978a6a4e0812d1c938fad97306272cef Added Reference https://git.kernel.org/stable/c/9bd24927e3eeb85642c7baa3b28be8bea6c2a078 Added Reference https://git.kernel.org/stable/c/b0e592dd46a0a952b41c3bf6c963afdd6a42b526 Added Reference https://git.kernel.org/stable/c/e505b83b9ee6aa0ae2f4395f573a66579ae403fb Added Reference https://git.kernel.org/stable/c/e7e2e2318b1f085044126ba553a4e619842fc36d
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-21775 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-21775
weaknesses.