{
  "cveId": "CVE-2026-64518",
  "url": "https://patchblox.com/security/cve/CVE-2026-64518",
  "summary": "CVE-2026-64518 is fixed in 51 products on 1 platform, first by ALAS2023-2026-1894, released June 22, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  tcp: Fix out-of-bounds access for twsk in tcp_ao...",
  "description": "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\u0027s not use lockdep_sock_is_held() for TCP_TIME_WAIT.",
  "published": "2026-06-22T09:00:00Z",
  "severity": "important",
  "epss": 0.00168,
  "epssPercentile": 0.06132,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
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  "attribution": {
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    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
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}