Improper locking in Linux kernel - CVE-2025-71160

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Main Vulnerability Database Vulnerabilities #VU121995

Improper locking in Linux kernel - CVE-2025-71160

Published: January 23, 2026


Vulnerability identifier: #VU121995
CSH Severity: Low
CVSS v4 BT: 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-2025-71160
CWE-ID: CWE-667
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to improper locking within the nft_validate_state_update(), nf_tables_rule_release(), nft_chain_validate() and nft_table_validate() functions in net/netfilter/nf_tables_api.c. A local user can perform a denial of service (DoS) attack.


Affected software

Linux kernel
Debian Linux
Ubuntu
openEuler
kernel-source
kernel
bpftool
bpftool-debuginfo
kernel-debuginfo
kernel-debugsource
kernel-devel
kernel-headers
kernel-tools
kernel-tools-debuginfo
kernel-tools-devel
perf
perf-debuginfo
python3-perf
python3-perf-debuginfo
linux-fips (Ubuntu package)
linux (Ubuntu package)
linux-nvidia-tegra (Ubuntu package)
linux-nvidia (Ubuntu package)
linux-nvidia-6.8 (Ubuntu package)
linux-azure (Ubuntu package)
linux (Debian package)
linux-azure-fde-6.17 (Ubuntu package)
linux-gcp-6.17 (Ubuntu package)
linux-oracle-6.17 (Ubuntu package)
linux-azure-6.17 (Ubuntu package)
linux-oem-6.17 (Ubuntu package)

How to mitigate CVE-2025-71160

Install update from vendor's repository.

kernel-source - update to 6.6.0-145.1.14.152
kernel - update to 6.6.0-145.1.14.152
bpftool - update to 6.6.0-145.1.14.152
bpftool-debuginfo - update to 6.6.0-145.1.14.152
kernel-debuginfo - update to 6.6.0-145.1.14.152
kernel-debugsource - update to 6.6.0-145.1.14.152
kernel-devel - update to 6.6.0-145.1.14.152
kernel-headers - update to 6.6.0-145.1.14.152
kernel-tools - update to 6.6.0-145.1.14.152
kernel-tools-debuginfo - update to 6.6.0-145.1.14.152
kernel-tools-devel - update to 6.6.0-145.1.14.152
perf - update to 6.6.0-145.1.14.152
perf-debuginfo - update to 6.6.0-145.1.14.152
python3-perf - update to 6.6.0-145.1.14.152
python3-perf-debuginfo - update to 6.6.0-145.1.14.152
linux-fips (Ubuntu package) - update to 6.8.0-116.116+fips1
linux (Ubuntu package) - addressed in versions 6.8.0-117.117, 6.8.0-117.117.1, 6.8.0-117.117.1~22.04.1, 6.8.0-1041.44, 6.8.0-1054.60, 6.8.0-1055.56, 6.8.0-1055.56~22.04.1, 6.8.0-1055.58+fips1, 6.8.0-1056.60, 6.8.0-1058.61, 6.8.0-1058.61+fips1, 6.8.0-2045.46, 6.8.1-1051.52, 6.8.1-1051.52~22.04.1
linux-nvidia-tegra (Ubuntu package) - update to 6.8.0-1024.24
linux-nvidia (Ubuntu package) - addressed in versions 6.8.0-1054.57, 6.8.0-1054.57.1
linux-nvidia-6.8 (Ubuntu package) - update to 6.8.0-1054.57~22.04.1
linux-azure (Ubuntu package) - update to 6.8.0-1056.62
linux (Debian package) - update to 6.12.69-1
linux-azure-fde-6.17 (Ubuntu package) - update to 6.17.0-1018.18~24.04.1
linux-gcp-6.17 (Ubuntu package) - addressed in versions 6.17.0-1018.20~24.04.1, 6.17.0-1021.24~24.04.1
linux-oracle-6.17 (Ubuntu package) - addressed in versions 6.17.0-1019.19~24.04.3, 6.17.0-1019.19~24.04.3+1
linux-azure-6.17 (Ubuntu package) - update to 6.17.0-1021.21~24.04.1
linux-oem-6.17 (Ubuntu package) - update to 6.17.0-1030.30

External References

Related Security Bulletins