CVE-2026-68471

high

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: ieee80211: validate MLE common info length ieee80211_mle_common_size() uses the first common-info octet as the common information length for all known MLE types. However, ieee80211_mle_size_ok() only validates that octet for Basic, Probe Request, and TDLS MLEs. Reconfiguration MLEs also skipped the length octet when calculating the minimum common size, and Priority Access MLEs skipped validation of the advertised common information length. Account for the Reconfiguration common-info length octet and validate the advertised common information length for all known MLE types. Keep unknown-type handling unchanged. [remove now misleading comment]

References

https://git.kernel.org/stable/c/bba41664af19b8a07d3d728855088ae80e47a4b3

https://git.kernel.org/stable/c/90576bd6921a91eb038bffbb4b9467c2dc26aa1d

https://git.kernel.org/stable/c/2b1589fd9a076727a73bfb39e96622a76415ad32

https://git.kernel.org/stable/c/293baeae9b2434a3e432629d7720b5603db2d77e

https://git.kernel.org/stable/c/22941b5c5c46e61a7053e5f32f260f2bc39da617

https://git.kernel.org/stable/c/181b46e76a218e9345ed7c4cf59dfa69278e4a06

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-59093

Details

Source: Mitre, NVD

Published: 2026-08-15

Updated: 2026-10-30

Risk Information

CVSS v2

Base Score: 8.3

Vector: CVSS2#AV:A/AC:L/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.8

Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00347