CVE-2024-26925: netfilter: nf_tables: release mutex after nft_gc_seq_end from abort path
First published: Wed Apr 24 2024(Updated: )
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.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <5.4.274 | 5.4.274 |
| redhat/kernel | <5.10.215 | 5.10.215 |
| redhat/kernel | <5.15.155 | 5.15.155 |
| redhat/kernel | <6.1.86 | 6.1.86 |
| redhat/kernel | <6.6.26 | 6.6.26 |
| redhat/kernel | <6.8.5 | 6.8.5 |
| redhat/kernel | <6.9 | 6.9 |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.119-1 6.12.5-1 6.12.6-1 |
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Reference Links
- https://git.kernel.org/stable/c/0d459e2ffb541841714839e8228b845458ed3b27
- https://git.kernel.org/stable/c/2cee2ff7f8cce12a63a0a23ffe27f08d99541494
- https://git.kernel.org/stable/c/61ac7284346c32f9a8c8ceac56102f7914060428
- https://git.kernel.org/stable/c/8038ee3c3e5b59bcd78467686db5270c68544e30
- https://git.kernel.org/stable/c/8d3a58af50e46167b6f1db47adadad03c0045dae
- https://git.kernel.org/stable/c/a34ba4bdeec0c3b629160497594908dc820110f1
- https://git.kernel.org/stable/c/eb769ff4e281f751adcaf4f4445cbf30817be139
- https://launchpad.net/bugs/cve/CVE-2024-26925
- https://access.redhat.com/security/cve/CVE-2024-26925
- https://lore.kernel.org/linux-cve-announce/2024042421-CVE-2024-26925-7c19@gregkh/T
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2277167
- https://access.redhat.com/errata/RHSA-2024:4823
- https://access.redhat.com/errata/RHSA-2024:4831
- https://access.redhat.com/errata/RHSA-2024:5102
- https://access.redhat.com/errata/RHSA-2024:5101
- https://access.redhat.com/errata/RHSA-2024:5928
- https://bugzilla.redhat.com/show_bug.cgi?id=2277166
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-26925
- https://nvd.nist.gov/vuln/detail/CVE-2024-26925
- https://security-tracker.debian.org/tracker/CVE-2024-26925
- https://ubuntu.com/security/CVE-2024-26925
- https://git.kernel.org/linus/0d459e2ffb541841714839e8228b845458ed3b27
- https://www.openwall.com/lists/oss-security/2024/05/07/6
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