CVE-2026-98335
wifi: mac80211: abort chanswitch when leaving a mesh
En bref
- Source
- NVD
- EPSS
- EPSS 0.18 % · centile 7 ()
- État
- PUBLISHED
- Publiée
- Mise à jour
- Attribuée par
- Linux
- Statut NVD
- Received
Description
In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: abort chanswitch when leaving a mesh The code in ieee80211_stop_mesh() leaves CSA active, but leaving the mesh released the channel context, so the CSA finalize work crashes: Oops: general protection fault, probably for non-canonical address 0xdffffc0000000003 KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f] RIP: 0010:ieee80211_put_srates_elem+0x42/0x640 net/mac80211/util.c:3272 Call Trace: ieee80211_mesh_build_beacon+0xa83/0x1b50 net/mac80211/mesh.c:1093 ieee80211_mesh_rebuild_beacon+0xc7/0x170 net/mac80211/mesh.c:1147 ieee80211_mesh_finish_csa+0x131/0x210 net/mac80211/mesh.c:1542 ieee80211_set_after_csa_beacon net/mac80211/cfg.c:4085 [inline] __ieee80211_csa_finalize net/mac80211/cfg.c:4133 [inline] ieee80211_csa_finalize+0x633/0x1150 net/mac80211/cfg.c:4155 cfg80211_wiphy_work+0x2ab/0x450 net/wireless/core.c:438 Abort the channel switch properly.
Références
Références européennes
- ENISA EUVD · EUVD-2026-93320
- GCVE · GCVE-0-2026-98335
Avis du CERT-FR
- CERTFR-2026-AVI-1385 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
- CERTFR-2026-AVI-1375 — Multiples vulnérabilités dans le noyau Linux de Debian LTS · cert.ssi.gouv.fr
- CERTFR-2026-AVI-1374 — Multiples vulnérabilités dans le noyau Linux de Debian · cert.ssi.gouv.fr
Produits affectés
| Produit | Versions |
|---|---|
| Linux · Linux | affected b8456a14e9d2770846fcf74de18ff95b676149a3 < bc544ef02327edf61c94d2b6bae9d14b217009b2 ; affected b8456a14e9d2770846fcf74de18ff95b676149a3 < 2e1d6e80148495e728a85a9250176f266312e55c ; affected b8456a14e9d2770846fcf74de18ff95b676149a3 < d222fdc973bb8dbf0357772bd9042ffdc8291939 ; affected b8456a14e9d2770846fcf74de18ff95b676149a3 < ac7472a24bd433b81c06582835dd1d5547c10da9 |
| Linux · Linux | affected 3.13 ; unaffected 0 < 3.13 ; unaffected 6.12.112 ≤ 6.12.* ; unaffected 6.18.54 ≤ 6.18.* ; unaffected 7.2.8 ≤ 7.2.* ; unaffected 7.3 ≤ * |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |