#VU113320 Buffer overflow in Linux kernel - CVE-2025-38424

Vulnerability identifier: #VU113320

Vulnerability risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-38424

CWE-ID: CWE-119

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

Description

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.

Mitigation
Install update from vendor's repository.

Vulnerable software versions

Linux kernel: All versions

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External links
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

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?