{"cve":"CVE-2026-98335","nvd":{"published":"2026-10-06T09:18:26.040","modified":"2026-10-19T10:18:35.743","status":"Received","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211: abort chanswitch when leaving a mesh\n\nThe code in ieee80211_stop_mesh() leaves CSA active, but leaving\nthe mesh released the channel context, so the CSA finalize work\ncrashes:\n\n  Oops: general protection fault, probably for non-canonical address\n        0xdffffc0000000003\n  KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f]\n  RIP: 0010:ieee80211_put_srates_elem+0x42/0x640 net/mac80211/util.c:3272\n  Call Trace:\n   ieee80211_mesh_build_beacon+0xa83/0x1b50 net/mac80211/mesh.c:1093\n   ieee80211_mesh_rebuild_beacon+0xc7/0x170 net/mac80211/mesh.c:1147\n   ieee80211_mesh_finish_csa+0x131/0x210 net/mac80211/mesh.c:1542\n   ieee80211_set_after_csa_beacon net/mac80211/cfg.c:4085 [inline]\n   __ieee80211_csa_finalize net/mac80211/cfg.c:4133 [inline]\n   ieee80211_csa_finalize+0x633/0x1150 net/mac80211/cfg.c:4155\n   cfg80211_wiphy_work+0x2ab/0x450 net/wireless/core.c:438\n\nAbort the channel switch properly.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/2e1d6e80148495e728a85a9250176f266312e55c","https://git.kernel.org/stable/c/ac7472a24bd433b81c06582835dd1d5547c10da9","https://git.kernel.org/stable/c/bc544ef02327edf61c94d2b6bae9d14b217009b2","https://git.kernel.org/stable/c/d222fdc973bb8dbf0357772bd9042ffdc8291939"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:57:46.668721662+00:00"},"epss":{"cve":"CVE-2026-98335","score":0.00175,"percentile":0.06994,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}