#VU113313 Race condition in Linux kernel - CVE-2025-38352

Vulnerability identifier: #VU113313

Vulnerability risk: High

CVSSv4.0: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber]

CVE-ID: CVE-2025-38352

CWE-ID: CWE-362

Exploitation vector: Local

Exploit availability: Yes

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

Vendor: Linux Foundation

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a race condition within the run_posix_cpu_timers() function in kernel/time/posix-cpu-timers.c. A local user can escalate privileges on the system.

Note, the vulnerability is being actively exploited in the wild against Android devices.

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/2c72fe18cc5f9f1750f5bc148cf1c94c29e106ff
https://git.kernel.org/stable/c/2f3daa04a9328220de46f0d5c919a6c0073a9f0b
https://git.kernel.org/stable/c/460188bc042a3f40f72d34b9f7fc6ee66b0b757b
https://git.kernel.org/stable/c/764a7a5dfda23f69919441f2eac2a83e7db6e5bb
https://git.kernel.org/stable/c/78a4b8e3795b31dae58762bc091bb0f4f74a2200
https://git.kernel.org/stable/c/c076635b3a42771ace7d276de8dc3bc76ee2ba1b
https://git.kernel.org/stable/c/c29d5318708e67ac13c1b6fc1007d179fb65b4d7
https://git.kernel.org/stable/c/f90fff1e152dedf52b932240ebbd670d83330eca
https://source.android.com/docs/security/bulletin/2025-09-01

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?