{
  "affected": [
    {
      "ecosystem_specific": {
        "urgency": "not yet assigned"
      },
      "package": {
        "ecosystem": "Debian:13",
        "name": "linux"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.12.94-1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
        "urgency": "not yet assigned"
      },
      "package": {
        "ecosystem": "Debian:14",
        "name": "linux"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "7.0.12-1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "In the Linux kernel, the following vulnerability has been resolved:  tcp: Fix out-of-bounds access for twsk in tcp_ao_established_key().  lockdep_sock_is_held() was added in tcp_ao_established_key() by the cited commit.  It can be called from tcp_v[46]_timewait_ack() with twsk.  Since it does not have sk-\u003esk_lock, the lockdep annotation results in out-of-bound access.    $ pahole -C tcp_timewait_sock vmlinux | grep size   \t/* size: 288, cachelines: 5, members: 8 */   $ pahole -C sock vmlinux | grep sk_lock   \tsocket_lock_t              sk_lock;              /*   440   192 */  Let's not use lockdep_sock_is_held() for TCP_TIME_WAIT.",
  "id": "DEBIAN-CVE-2026-64518",
  "modified": "2026-09-14T16:47:42.713434557Z",
  "published": "2026-07-25T10:17:38.080Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://security-tracker.debian.org/tracker/CVE-2026-64518"
    }
  ],
  "upstream": [
    "CVE-2026-64518"
  ]
}