{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "b61ec31c85756bbc898fb892555509afe709459a"
            },
            {
              "fixed": "a82fc217cb7a447313c76ebf9f09b100771b0ddf"
            },
            {
              "fixed": "86aa79b43e5b561fd3648891165bd7313b541315"
            },
            {
              "fixed": "d755cd001fa2c248e186c1fc3df3d11d97dc843c"
            },
            {
              "fixed": "3404be97b940a9b1ae1aea5fdbc6cdbbe9cd5146"
            },
            {
              "fixed": "01678c53a7717a748aee388b6839e7b9761d641c"
            },
            {
              "fixed": "3b4c70c40f2e135a50cd38fc61c7d23a296a9981"
            },
            {
              "fixed": "059a70e1d12d6d99310e0599d37b0323557569a8"
            },
            {
              "fixed": "48067b2ae4504500a7093d9e1e16b42e70330480"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.1.0"
            },
            {
              "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-2026-80600.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nbatman-adv: dat: acquire ARP hw source 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-2026-80600",
  "modified": "2026-08-30T03:30:15.001109092Z",
  "published": "2026-08-28T06:48:27.351Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/01678c53a7717a748aee388b6839e7b9761d641c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/059a70e1d12d6d99310e0599d37b0323557569a8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3404be97b940a9b1ae1aea5fdbc6cdbbe9cd5146"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3b4c70c40f2e135a50cd38fc61c7d23a296a9981"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/48067b2ae4504500a7093d9e1e16b42e70330480"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/86aa79b43e5b561fd3648891165bd7313b541315"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a82fc217cb7a447313c76ebf9f09b100771b0ddf"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d755cd001fa2c248e186c1fc3df3d11d97dc843c"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80600.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-80600"
    },
    {
      "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:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "batman-adv: dat: acquire ARP hw source only after skb realloc"
}