{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "b8456a14e9d2770846fcf74de18ff95b676149a3"
            },
            {
              "fixed": "bc544ef02327edf61c94d2b6bae9d14b217009b2"
            },
            {
              "fixed": "2e1d6e80148495e728a85a9250176f266312e55c"
            },
            {
              "fixed": "d222fdc973bb8dbf0357772bd9042ffdc8291939"
            },
            {
              "fixed": "ac7472a24bd433b81c06582835dd1d5547c10da9"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.13.0"
            },
            {
              "fixed": "6.12.112"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.54"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.2.8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98335.json"
  },
  "details": "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.",
  "id": "CVE-2026-98335",
  "modified": "2026-10-08T02:30:40.459736124Z",
  "published": "2026-10-06T08:46:26.816Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2e1d6e80148495e728a85a9250176f266312e55c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ac7472a24bd433b81c06582835dd1d5547c10da9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/bc544ef02327edf61c94d2b6bae9d14b217009b2"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d222fdc973bb8dbf0357772bd9042ffdc8291939"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98335.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-98335"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "wifi: mac80211: abort chanswitch when leaving a mesh"
}