{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "6c413b1c22a2c4ef324f1c6f2c282f1ca10a93b9"
            },
            {
              "fixed": "2760b38222c8828b075802342fe3b91eb823d542"
            },
            {
              "fixed": "6c37f1166549c999ccd164b0cb6462d1ae68f8f6"
            },
            {
              "fixed": "b79884a5567bf788fb76c30832467cf6a56f3c0d"
            },
            {
              "fixed": "afac8096bde4948e3caa7e4dd733867cfbd3018e"
            },
            {
              "fixed": "e3f4325e35dd6e76b80665f3510738ce34819753"
            },
            {
              "fixed": "e6b43acd34b219b807e65096ce207b087942779d"
            },
            {
              "fixed": "916dac5f2944f63f07f7b501acbea6737dbbed0e"
            },
            {
              "fixed": "77880a3be88d378d60cc1e8f8ec70430e2ed0518"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.14.0"
            },
            {
              "fixed": "5.10.261"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.212"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.178"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.145"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.97"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.40"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.1.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80601.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nbatman-adv: gw: acquire ethernet header only after skb realloc\n\nThe pskb_may_pull() called by batadv_get_vid() could reallocate the buffer\nbehind the skb. Variables which were pointing to the old buffer need to be\nreassigned to avoid an use-after-free.",
  "id": "CVE-2026-80601",
  "modified": "2026-08-31T03:30:52.859155992Z",
  "published": "2026-08-28T06:48:27.948Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2760b38222c8828b075802342fe3b91eb823d542"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6c37f1166549c999ccd164b0cb6462d1ae68f8f6"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/77880a3be88d378d60cc1e8f8ec70430e2ed0518"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/916dac5f2944f63f07f7b501acbea6737dbbed0e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/afac8096bde4948e3caa7e4dd733867cfbd3018e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b79884a5567bf788fb76c30832467cf6a56f3c0d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e3f4325e35dd6e76b80665f3510738ce34819753"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e6b43acd34b219b807e65096ce207b087942779d"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80601.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-80601"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "batman-adv: gw: acquire ethernet header only after skb realloc"
}