{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "b8456a14e9d2770846fcf74de18ff95b676149a3"
            },
            {
              "fixed": "aba8dfb45864441199748c33ce3c1c8ca121c8bd"
            },
            {
              "fixed": "bd3b21145ae2e781daac1bbd19216a63ab4e0cbd"
            },
            {
              "fixed": "ba5bf83a81e8832cb84bb3a2da67512f81f57a02"
            },
            {
              "fixed": "860134b3af77970e006feab7e5decb8c84771c7f"
            }
          ],
          "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-2026-98327.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211: mesh: reset the CSA state when leaving\n\nifmsh-\u003ecsa is allocated in ieee80211_mesh_csa_beacon() and only freed\nin ieee80211_mesh_finish_csa(), i.e. when the channel switch completes.\nLeaving the mesh while a switch is still pending therefore leaks it.\n\nAdditionally, ifmsh-\u003ecsa_role and ifmsh-\u003echsw_ttl have their state leak\nin this case, so things can get mixed up in addition to the memory\nleak.\n\nRefactor the reset and call it in ieee80211_stop_mesh() to fix it all.",
  "id": "CVE-2026-98327",
  "modified": "2026-10-08T02:30:24.900884684Z",
  "published": "2026-10-06T08:46:20.317Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/860134b3af77970e006feab7e5decb8c84771c7f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/aba8dfb45864441199748c33ce3c1c8ca121c8bd"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ba5bf83a81e8832cb84bb3a2da67512f81f57a02"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/bd3b21145ae2e781daac1bbd19216a63ab4e0cbd"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98327.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-98327"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "wifi: mac80211: mesh: reset the CSA state when leaving"
}