Unrated severityNVD Advisory· Published Jan 23, 2026· Updated Feb 9, 2026
netfilter: nf_conncount: fix leaked ct in error paths
CVE-2025-71146
Description
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nf_conncount: fix leaked ct in error paths
There are some situations where ct might be leaked as error paths are skipping the refcounted check and return immediately. In order to solve it make sure that the check is always called.
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Affected products
2Patches
Vulnerability mechanics
References
7- git.kernel.org/stable/c/08fa37f4c8c59c294e9c18fea2d083ee94074e5amitre
- git.kernel.org/stable/c/0b88be7211d21a0d68bb1e56dc805944e3654d6fmitre
- git.kernel.org/stable/c/2e2a720766886190a6d35c116794693aabd332b6mitre
- git.kernel.org/stable/c/325eb61bb30790ea27782203a17b007ce1754a67mitre
- git.kernel.org/stable/c/4bd2b89f4028f250dd1c1625eb3da1979b04a5e8mitre
- git.kernel.org/stable/c/e1ac8dce3a893641bef224ad057932f142b8a36fmitre
- git.kernel.org/stable/c/f381a33f34dda9e4023e38ba68c943bca83245e9mitre
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