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CVE-2026-64109 af_unix: Fix UAF read of tail->len in unix_stream_data_wait()

🗓️ 19 Jul 2026 15:40:11Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 40 Views

Fix use-after-free read of tail length in unix_stream_data_wait due to race on af_unix sockets.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-64109
19 Jul 202615:40
attackerkb
nessus
Tenable Nessus
Amazon Linux 2023 : bpftool6.18, kernel6.18, kernel6.18-devel (ALAS2023-2026-1881)
22 Jun 202600:00
nessus
nessus
Tenable Nessus
Amazon Linux 2023 : bpftool6.12, kernel6.12, kernel6.12-devel (ALAS2023-2026-1894)
22 Jun 202600:00
nessus
nessus
Tenable Nessus
Photon OS 5.0: Linux PHSA-2026-5.0-0864
5 Jun 202600:00
nessus
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-64109
20 Jul 202600:00
nessus
cve
CVE
CVE-2026-64109
19 Jul 202615:40
cve
debiancve
Debian CVE
CVE-2026-64109
19 Jul 202615:40
debiancve
euvd
EUVD
EUVD-2026-45794
19 Jul 202615:40
euvd
nvd
NVD
CVE-2026-64109
19 Jul 202616:17
nvd
osv
OSV
BELL-CVE-2026-64109
22 Jul 202606:04
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/unix/af_unix.c"
    ],
    "versions": [
      {
        "version": "2b514574f7e88c8498027ee366fd6e7aae5aa4b5",
        "lessThan": "26342087fac93b3932e6af61dc91ec029cb8a623",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "2b514574f7e88c8498027ee366fd6e7aae5aa4b5",
        "lessThan": "38bccb927d83d7d52e5b20015a172a0b6101d11e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "2b514574f7e88c8498027ee366fd6e7aae5aa4b5",
        "lessThan": "acdff9907478e82208475b1151700d0b71dcdc63",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "2b514574f7e88c8498027ee366fd6e7aae5aa4b5",
        "lessThan": "5f162f95a95834f06a8ec6140889272ad12e842f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "2b514574f7e88c8498027ee366fd6e7aae5aa4b5",
        "lessThan": "be309f8eae8b474a4a617eaae01324da996fc719",
        "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/unix/af_unix.c"
    ],
    "versions": [
      {
        "version": "4.2",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.2",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.143",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.92",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.34",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.11",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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