Buffer overflow in Linux kernel - CVE-2025-22049

Vulnerability identifier: #VU107768

CSH Severity: Low

CVSS v4: 6.8 [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]

CVE-ID: CVE-2025-22049

CWE-ID: CWE-119

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to memory corruption within the arch/loongarch/include/asm/cache.h. A local user can perform a denial of service (DoS) attack.

Linux kernel
Debian Linux
openEuler
linux (Debian package)
bpftool
python3-perf-debuginfo
python3-perf
perf-debuginfo
perf
kernel-tools-devel
kernel-tools-debuginfo
kernel-source
kernel
bpftool-debuginfo
kernel-debuginfo
kernel-devel
kernel-tools
kernel-debugsource
kernel-headers

Install update from vendor's website.

Linux kernel - update to 6.1.134
linux (Debian package) - update to 6.1.135-1
bpftool - addressed in versions 6.6.0-87.0.0.82, 6.6.0-87.0.0.93
python3-perf-debuginfo - addressed in versions 6.6.0-87.0.0.82, 6.6.0-87.0.0.93
python3-perf - addressed in versions 6.6.0-87.0.0.82, 6.6.0-87.0.0.93
perf-debuginfo - addressed in versions 6.6.0-87.0.0.82, 6.6.0-87.0.0.93
perf - addressed in versions 6.6.0-87.0.0.82, 6.6.0-87.0.0.93
kernel-tools-devel - addressed in versions 6.6.0-87.0.0.82, 6.6.0-87.0.0.93
kernel-tools-debuginfo - addressed in versions 6.6.0-87.0.0.82, 6.6.0-87.0.0.93
kernel-source - addressed in versions 6.6.0-87.0.0.82, 6.6.0-87.0.0.93
kernel - addressed in versions 6.6.0-87.0.0.82, 6.6.0-87.0.0.93
bpftool-debuginfo - addressed in versions 6.6.0-87.0.0.82, 6.6.0-87.0.0.93
kernel-debuginfo - addressed in versions 6.6.0-87.0.0.82, 6.6.0-87.0.0.93
kernel-devel - addressed in versions 6.6.0-87.0.0.82, 6.6.0-87.0.0.93
kernel-tools - addressed in versions 6.6.0-87.0.0.82, 6.6.0-87.0.0.93
kernel-debugsource - addressed in versions 6.6.0-87.0.0.82, 6.6.0-87.0.0.93
kernel-headers - addressed in versions 6.6.0-87.0.0.82, 6.6.0-87.0.0.93

• https://git.kernel.org/stable/c/1d0def2d1658666ec1f32c9495df60e7411e3c82
• https://git.kernel.org/stable/c/279ec25c2df49fba1cd9488f2ddd045d9cb2112e
• https://git.kernel.org/stable/c/4103cfe9dcb88010ae4911d3ff417457d1b6a720
• https://git.kernel.org/stable/c/8b82aea3666f8f2c78f86148d78aea99c46e0f82
• https://git.kernel.org/stable/c/bfff341cac7c650e6ca8d10503725992f5564d0f
• https://git.kernel.org/stable/c/f39af67f03b564b763b06e44cb960c10a382d54a
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.134

• Buffer overflow in Linux kernel include asm
• openEuler 24.03 LTS update for kernel
• openEuler 24.03 LTS SP1 update for kernel
• Debian update for linux