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CVE-2026-53389 net/tcp-ao: fix use-after-free of key in del_async path

🗓️ 19 Jul 2026 12:01:54Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 35 Views

Linux kernel tcp-ao fixes use-after-free by clearing current_key and rnext_key in del_async path.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-53389
19 Jul 202612:01
attackerkb
nessus
Tenable Nessus
Amazon Linux 2023 : bpftool6.18, kernel6.18, kernel6.18-devel (ALAS2023-2026-1969)
20 Jul 202600:00
nessus
nessus
Tenable Nessus
Photon OS 5.0: Linux PHSA-2026-5.0-0916
9 Jul 202600:00
nessus
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-53389
20 Jul 202600:00
nessus
amazon
Amazon
Important: kernel6.18
20 Jul 202600:00
amazon
cve
CVE
CVE-2026-53389
19 Jul 202612:01
cve
debiancve
Debian CVE
CVE-2026-53389
19 Jul 202612:01
debiancve
euvd
EUVD
EUVD-2026-45511
19 Jul 202612:01
euvd
mageia
Mageia
Updated kernel, kmod, bluez, firmware, wireless-regdb and drakx-installer-images packages fix security vulnerabilities
1 Aug 202615:58
mageia
nvd
NVD
CVE-2026-53389
19 Jul 202612:16
nvd
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/ipv4/tcp_ao.c"
    ],
    "versions": [
      {
        "version": "d6732b95b6fbbc6d5bb9d2f809e275763640c4a2",
        "lessThan": "6ce7ef41743740ce15c2061561b784148b565b3f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d6732b95b6fbbc6d5bb9d2f809e275763640c4a2",
        "lessThan": "e77fbefd1269b5c123e7c651a1ebdce1b87d19a0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d6732b95b6fbbc6d5bb9d2f809e275763640c4a2",
        "lessThan": "7ddc29a094d96e9b3aa280433c6dc443df9eabf2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d6732b95b6fbbc6d5bb9d2f809e275763640c4a2",
        "lessThan": "5ba9950bc9078e19b69cca1e56d1553b125c6857",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/ipv4/tcp_ao.c"
    ],
    "versions": [
      {
        "version": "6.7",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.7",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.95",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.38",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.3",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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05 Aug 2026 12:35Current
CVSS 3.17.8
EPSS0.00125
35