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CVE-2026-43091 xfrm: Wait for RCU readers during policy netns exit

🗓️ 06 May 2026 07:40:23Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 24 Views

CVE-2026-43091: xfrm policy netns exit waits for read copy update readers before freeing policy hashes.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-43091
6 May 202607:40
attackerkb
Tenable Nessus
Amazon Linux 2023 : bpftool6.18, kernel6.18, kernel6.18-devel (ALAS2023-2026-1693)
9 May 202600:00
nessus
Tenable Nessus
Amazon Linux 2023 : bpftool6.12, kernel6.12, kernel6.12-devel (ALAS2023-2026-1695)
9 May 202600:00
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-43091
6 May 202600:00
nessus
CNNVD
Linux kernel 安全漏洞
6 May 202600:00
cnnvd
CVE
CVE-2026-43091
6 May 202607:40
cve
Debian CVE
CVE-2026-43091
6 May 202607:40
debiancve
EUVD
EUVD-2026-27592
6 May 202612:30
euvd
NVD
CVE-2026-43091
6 May 202610:16
nvd
OSV
BELL-CVE-2026-43091
7 May 202606:08
osv
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/xfrm/xfrm_policy.c"
    ],
    "versions": [
      {
        "version": "e1e551bc56302b80ff930c966f9985095fb1b70d",
        "lessThan": "b66920a3348c0f63ba18365248fa21fbf0b3a937",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e1e551bc56302b80ff930c966f9985095fb1b70d",
        "lessThan": "438b1f668ad58f46ce699bb48e4698a7839e3f9e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e1e551bc56302b80ff930c966f9985095fb1b70d",
        "lessThan": "3733fce2871c9bca9dd18a1a23b1432ea215a094",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e1e551bc56302b80ff930c966f9985095fb1b70d",
        "lessThan": "33a3149dd81a1e2f52b80ee1e0fc380b39f3d028",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e1e551bc56302b80ff930c966f9985095fb1b70d",
        "lessThan": "069daad4f2ae9c5c108131995529d5f02392c446",
        "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/xfrm/xfrm_policy.c"
    ],
    "versions": [
      {
        "version": "4.9",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.9",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.136",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.83",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.24",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.14",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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