Race condition in Linux kernel - CVE-2025-38717

Vulnerability identifier: #VU114845

CSH Severity: Low

CVSS v4: 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]

CVE-ID: CVE-2025-38717

CWE-ID: CWE-362

Exploitation vector: Local access

Exploit availability: No public exploit available

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

The vulnerability exists due to a race condition within the psock_write_space() and kcm_release() functions in net/kcm/kcmsock.c. A local user can escalate privileges on the system.

Linux kernel
openEuler
python3-perf-debuginfo
python3-perf
perf-debuginfo
perf
kernel-tools-devel
kernel-tools-debuginfo
kernel-tools
kernel-source
kernel-headers
kernel-devel
kernel-debugsource
kernel-debuginfo
bpftool-debuginfo
bpftool
kernel
kernel-extra-modules

Install update from vendor's repository.

python3-perf-debuginfo - addressed in versions 6.6.0-121.0.0.111, 6.6.0-121.0.0.123, 6.6.0-121.0.0.124
python3-perf - addressed in versions 6.6.0-121.0.0.111, 6.6.0-121.0.0.123, 6.6.0-121.0.0.124
perf-debuginfo - addressed in versions 6.6.0-121.0.0.111, 6.6.0-121.0.0.123, 6.6.0-121.0.0.124
perf - addressed in versions 6.6.0-121.0.0.111, 6.6.0-121.0.0.123, 6.6.0-121.0.0.124
kernel-tools-devel - addressed in versions 6.6.0-121.0.0.111, 6.6.0-121.0.0.123, 6.6.0-121.0.0.124
kernel-tools-debuginfo - addressed in versions 6.6.0-121.0.0.111, 6.6.0-121.0.0.123, 6.6.0-121.0.0.124
kernel-tools - addressed in versions 6.6.0-121.0.0.111, 6.6.0-121.0.0.123, 6.6.0-121.0.0.124
kernel-source - addressed in versions 6.6.0-121.0.0.111, 6.6.0-121.0.0.123, 6.6.0-121.0.0.124
kernel-headers - addressed in versions 6.6.0-121.0.0.111, 6.6.0-121.0.0.123, 6.6.0-121.0.0.124
kernel-devel - addressed in versions 6.6.0-121.0.0.111, 6.6.0-121.0.0.123, 6.6.0-121.0.0.124
kernel-debugsource - addressed in versions 6.6.0-121.0.0.111, 6.6.0-121.0.0.123, 6.6.0-121.0.0.124
kernel-debuginfo - addressed in versions 6.6.0-121.0.0.111, 6.6.0-121.0.0.123, 6.6.0-121.0.0.124
bpftool-debuginfo - addressed in versions 6.6.0-121.0.0.111, 6.6.0-121.0.0.123, 6.6.0-121.0.0.124
bpftool - addressed in versions 6.6.0-121.0.0.111, 6.6.0-121.0.0.123, 6.6.0-121.0.0.124
kernel - addressed in versions 6.6.0-121.0.0.111, 6.6.0-121.0.0.123, 6.6.0-121.0.0.124
kernel-extra-modules - update to 6.6.0-121.0.0.124

• https://git.kernel.org/stable/c/52565a935213cd6a8662ddb8efe5b4219343a25d
• https://git.kernel.org/stable/c/7275dc3bb8f91b23125ff3f47b6529935cf46152
• https://git.kernel.org/stable/c/798733ee5d5788b12e8a52db1519abc17e826f69
• https://git.kernel.org/stable/c/c0bffbc92a1ca3960fb9cdb8e9f75a68468eb308

• Race condition in Linux kernel net
• openEuler 24.03 LTS SP1 update for kernel
• openEuler 24.03 LTS update for kernel
• openEuler 24.03 LTS SP2 update for kernel