wifi: at76c50x: fix use after free access in at76_disconnect (Linux Linux)

CVE-2025-37796
HIGH 7.8

En bref

Source
NVD
EPSS
EPSS 0.20 % · centile 10 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
Linux
Statut NVD
Modified

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: at76c50x: fix use after free access in at76_disconnect The memory pointed to by priv is freed at the end of at76_delete_device function (using ieee80211_free_hw). But the code then accesses the udev field of the freed object to put the USB device. This may also lead to a memory leak of the usb device. Fix this by using udev from interface.

Faiblesses (CWE)

  • CWE-416 — Utilisation après libération

Références

Scores

VersionScoreVecteurÉvalué par
CVSS 3.1HIGH 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HNVD · nvd@nist.gov (Primary)

Références européennes

Avis du CERT-FR

Configurations affectées (CPE NVD)

Produits affectés

ProduitVersions
Linux · Linuxaffected 29e20aa6c6aff35c81d4da2e2cd516dadb569061 < c731cdfddcf1be1590d5ba8c9b508f98e3a2b3d6 ; affected 29e20aa6c6aff35c81d4da2e2cd516dadb569061 < 6e4ab3e574c2a335b40fa1f70d1c54fcb58ab33f ; affected 29e20aa6c6aff35c81d4da2e2cd516dadb569061 < 3c619aec1f538333b56746d2f796aab1bca5c9a5 ; affected 29e20aa6c6aff35c81d4da2e2cd516dadb569061 < 5e7df74745700f059dc117a620e566964a2e8f2c ; affected 29e20aa6c6aff35c81d4da2e2cd516dadb569061 < 7ca513631fa6ad3011b8b9197cdde0f351103704 ; affected 29e20aa6c6aff35c81d4da2e2cd516dadb569061 < a9682bfef2cf3802515a902e964d774e137be1b9
Linux · Linuxaffected 3.17 ; unaffected 0 < 3.17 ; unaffected 5.4.293 ≤ 5.4.* ; unaffected 5.10.237 ≤ 5.10.* ; unaffected 5.15.181 ≤ 5.15.* ; unaffected 6.1.135 ≤ 6.1.*

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