SB2025072795 - Buffer overflow in Linux kernel events
Published: July 27, 2025
Security Bulletin ID
SB2025072795
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2025-38424)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory corruption within the do_exit() function in kernel/exit.c, within the perf_sample_ustack_size() and perf_callchain() functions in kernel/events/core.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/2ee6044a693735396bb47eeaba1ac3ae26c1c99b
- https://git.kernel.org/stable/c/456019adaa2f5366b89c868dea9b483179bece54
- https://git.kernel.org/stable/c/4f6fc782128355931527cefe3eb45338abd8ab39
- https://git.kernel.org/stable/c/507c9a595bad3abd107c6a8857d7fd125d89f386
- https://git.kernel.org/stable/c/7311970d07c4606362081250da95f2c7901fc0db
- https://git.kernel.org/stable/c/7b8f3c72175c6a63a95cf2e219f8b78e2baad34e
- https://git.kernel.org/stable/c/975ffddfa2e19823c719459d2364fcaa17673964
- https://git.kernel.org/stable/c/a9f6aab7910a0ef2895797f15c947f6d1053160f