wifi: iwlwifi: mvm: fix potential out-of-bounds read in iwl_mvm_nd_match_info_handler() (Linux Linux)

CVE-2026-31779
HIGH 8.1

At a glance

Source
NVD
EPSS
EPSS 0.27 % · percentile 20 ()
State
PUBLISHED
Published
Updated
Assigner
Linux
NVD status
Modified

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: fix potential out-of-bounds read in iwl_mvm_nd_match_info_handler() The memcpy function assumes the dynamic array notif->matches is at least as large as the number of bytes to copy. Otherwise, results->matches may contain unwanted data. To guarantee safety, extend the validation in one of the checks to ensure sufficient packet length. Found by Linux Verification Center (linuxtesting.org) with SVACE.

Weaknesses (CWE)

References

Scores

VersionScoreVectorScored by
CVSS 3.1HIGH 8.1CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:HLinux
CVSS 3.1HIGH 8.1CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:HNVD · 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Secondary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Linux · Linuxaffected 5ac54afd4d97ad8d94fe250c83b1924eb6d2268c < f6abac936a0dfd31d6c3e49205ec0ee75a8f887f ; affected 5ac54afd4d97ad8d94fe250c83b1924eb6d2268c < ffbed27ba15ef80d1c622eeedbfef03e501ae134 ; affected 5ac54afd4d97ad8d94fe250c83b1924eb6d2268c < e67d8c626ace80b0fa2b48c8ec0a46b508c93442 ; affected 5ac54afd4d97ad8d94fe250c83b1924eb6d2268c < dd90880eb5ec5442b37eb2b95688f4a63f4883e3 ; affected 5ac54afd4d97ad8d94fe250c83b1924eb6d2268c < ca0e9491b98ca4c5b44204b0b3dd8062a3b5fba2 ; affected 5ac54afd4d97ad8d94fe250c83b1924eb6d2268c < 744fabc338e87b95c4d1ff7c95bc8c0f834c6d99
Linux · Linuxaffected 6.1 ; unaffected 0 < 6.1 ; unaffected 6.1.168 ≤ 6.1.* ; unaffected 6.6.134 ≤ 6.6.* ; unaffected 6.12.81 ≤ 6.12.* ; unaffected 6.18.22 ≤ 6.18.*

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