CVE-2025-21826 (GCVE-0-2025-21826)

Vulnerability from cvelistv5 – Published: 2025-03-06 16:04 – Updated: 2025-11-03 20:59
VLAI?
Title
netfilter: nf_tables: reject mismatching sum of field_len with set key length
Summary
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: reject mismatching sum of field_len with set key length The field length description provides the length of each separated key field in the concatenation, each field gets rounded up to 32-bits to calculate the pipapo rule width from pipapo_init(). The set key length provides the total size of the key aligned to 32-bits. Register-based arithmetics still allows for combining mismatching set key length and field length description, eg. set key length 10 and field description [ 5, 4 ] leading to pipapo width of 12.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 2d4c0798a1ef8db15b3277697ac2def4eda42312 , < 6b467c8feac759f4c5c86d708beca2aa2b29584f (git)
Affected: 77be8c495a3f841e88b46508cc20d3d7d3289da3 , < 5083a7ae45003456c253e981b30a43f71230b4a3 (git)
Affected: 9cb084df01e198119de477ac691d682fb01e80f3 , < 2ac254343d3cf228ae0738b2615fedf85d000752 (git)
Affected: dc45bb00e66a33de1abb29e3d587880e1d4d9a7e , < 82e491e085719068179ff6a5466b7387cc4bbf32 (git)
Affected: 3ce67e3793f48c1b9635beb9bb71116ca1e51b58 , < 49b7182b97bafbd5645414aff054b4a65d05823d (git)
Affected: 3ce67e3793f48c1b9635beb9bb71116ca1e51b58 , < ab50d0eff4a939d20c37721fd9766347efcdb6f6 (git)
Affected: 3ce67e3793f48c1b9635beb9bb71116ca1e51b58 , < 1b9335a8000fb70742f7db10af314104b6ace220 (git)
Affected: ff67e3e488090908dc015ba04d7407d8bd467f7e (git)
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    Linux Linux Affected: 6.8
Unaffected: 0 , < 6.8 (semver)
Unaffected: 5.10.235 , ≤ 5.10.* (semver)
Unaffected: 5.15.179 , ≤ 5.15.* (semver)
Unaffected: 6.1.129 , ≤ 6.1.* (semver)
Unaffected: 6.6.76 , ≤ 6.6.* (semver)
Unaffected: 6.12.13 , ≤ 6.12.* (semver)
Unaffected: 6.13.2 , ≤ 6.13.* (semver)
Unaffected: 6.14 , ≤ * (original_commit_for_fix)
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