What’s Vulnerable › Vulnerabilities
CVE-2024-26642: netfilter: nf_tables: disallow anonymous set with timeout flag
- Severity: medium (CVSS 5.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2024-03-21 · updated 2026-10-15
Description
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: disallow anonymous set with timeout flag Anonymous sets are never used with timeout from userspace, reject this. Exception to this rule is NFT_SET_EVAL to ensure legacy meters still work.
Affected products
- Debian Linux: 10.0
- Linux kernel: from 4.1 before 4.19.312; from 4.20 before 5.4.274; from 5.5 before 5.10.215; from 5.11 before 5.15.154; from 5.16 before 6.1.84; from 6.2 before 6.6.24 — fixed in 4.19.312, 5.10.215, 5.15.154, 5.4.274, 6.1.84, 6.6.24
How to fix
Upgrade to a fixed version: Linux kernel 4.19.312, 5.10.215, 5.15.154, 5.4.274. Check the vendor advisory for mitigations.
References
- https://git.kernel.org/stable/c/16603605b667b70da974bea8216c93e7db043bf1
- https://git.kernel.org/stable/c/72c1efe3f247a581667b7d368fff3bd9a03cd57a
- https://git.kernel.org/stable/c/7cdc1be24cc1bcd56a3e89ac4aef20e31ad09199
- https://git.kernel.org/stable/c/8e07c16695583a66e81f67ce4c46e94dece47ba7
- https://git.kernel.org/stable/c/c0c2176d1814b92ea4c8e7eb7c9cd94cd99c1b12
- https://git.kernel.org/stable/c/e4988d8415bd0294d6f9f4a1e7095f8b50a97ca9
- https://git.kernel.org/stable/c/e9a0d3f376eb356d54ffce36e7cc37514cbfbd6f
- https://git.kernel.org/stable/c/fe40ffbca19dc70d7c6b1e3c77b9ccb404c57351
- https://git.kernel.org/stable/c/16603605b667b70da974bea8216c93e7db043bf1
- https://git.kernel.org/stable/c/72c1efe3f247a581667b7d368fff3bd9a03cd57a
- https://git.kernel.org/stable/c/7cdc1be24cc1bcd56a3e89ac4aef20e31ad09199
- https://git.kernel.org/stable/c/8e07c16695583a66e81f67ce4c46e94dece47ba7
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