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Vulnerabilities CVE-2024-26925

CVE-2024-26925

High
Open
TLP:CLEAR

netfilter: nf_tables: release mutex after nft_gc_seq_end from abort path

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Description

In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: release mutex after nft_gc_seq_end from abort path The commit mutex should not be released during the critical section between nft_gc_seq_begin() and nft_gc_seq_end(), otherwise, async GC worker could collect expired objects and get the released commit lock within the same GC sequence. nf_tables_module_autoload() temporarily releases the mutex to load module dependencies, then it goes back to replay the transaction again. Move it at the end of the abort phase after nft_gc_seq_end() is called.

Details

CVSS Score
7.8
EPSS Score
0.27%

18.8th percentile

CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Confidence
90%
Published
Apr 24, 2024
Last Modified
Aug 5, 2026
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