wifi: radiotap: reject radiotap with unknown bits (Linux Linux)

CVE-2026-23367
MEDIUM 5.5

En bref

Source
NVD
EPSS
EPSS 0.13 % · centile 3 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
Linux
Statut NVD
Modified

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: radiotap: reject radiotap with unknown bits The radiotap parser is currently only used with the radiotap namespace (not with vendor namespaces), but if the undefined field 18 is used, the alignment/size is unknown as well. In this case, iterator->_next_ns_data isn't initialized (it's only set for skipping vendor namespaces), and syzbot points out that we later compare against this uninitialized value. Fix this by moving the rejection of unknown radiotap fields down to after the in-namespace lookup, so it will really use iterator->_next_ns_data only for vendor namespaces, even in case undefined fields are present.

Références

Scores

VersionScoreVecteurÉvalué par
CVSS 3.1MEDIUM 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HNVD · nvd@nist.gov (Primary)

Références européennes

Avis du CERT-FR

Configurations affectées (CPE NVD)

Produits affectés

ProduitVersions
Linux · Linuxaffected 33e5a2f776e331dc8a4379b6efb660d38f182d96 < 6f80f6a60f5d87e5de5fb2732751fce799991c24 ; affected 33e5a2f776e331dc8a4379b6efb660d38f182d96 < d1d1d3c50095928624a95b67a6d7ccc3a18f2215 ; affected 33e5a2f776e331dc8a4379b6efb660d38f182d96 < 703fa979badbba83d31cd011606d060bfb8b0d1d ; affected 33e5a2f776e331dc8a4379b6efb660d38f182d96 < 129c8bb320a7cef692c78056ef8e89a2a12ba448 ; affected 33e5a2f776e331dc8a4379b6efb660d38f182d96 < 2a60c588d5d39ad187628f58395c776a97fd4323 ; affected 33e5a2f776e331dc8a4379b6efb660d38f182d96 < 2f8ceeba670610d66f77def32011f48de951d781
Linux · Linuxaffected 2.6.34 ; unaffected 0 < 2.6.34 ; unaffected 5.10.253 ≤ 5.10.* ; unaffected 5.15.203 ≤ 5.15.* ; unaffected 6.1.167 ≤ 6.1.* ; unaffected 6.6.130 ≤ 6.6.*

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD