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CVE-2026-74692

🗓️ 22 Aug 2026 15:32:55Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 9 Views

TOCTOU race in Linux kernel net/smc between smc_listen_out and listener close leaks kernel memory.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
cvelist
Cvelist
CVE-2026-74692 net/smc: fix TOCTOU race between smc_listen_out() and listener close
22 Aug 202615:32
cvelist
debiancve
Debian CVE
CVE-2026-74692
22 Aug 202615:32
debiancve
euvd
EUVD
EUVD-2026-64379
22 Aug 202615:32
euvd
nvd
NVD
CVE-2026-74692
22 Aug 202616:16
nvd
osv
OSV
DEBIAN-CVE-2026-74692
22 Aug 202616:16
osv
ptsecurity
Positive Technologies
PT-2026-79697
22 Aug 202600:00
ptsecurity
susecve
SUSE CVE
SUSE CVE-2026-74692
23 Aug 202600:04
susecve
Vulners
CNA
Node
OR
linuxlinux_kernelRange4.19.2994.20
OR
linuxlinux_kernelRange5.15.15.216
linuxlinux_kernelRange5.16.06.1.183
linuxlinux_kernelRange6.2.06.6.152
linuxlinux_kernelRange6.7.06.12.104
linuxlinux_kernelRange6.13.06.18.45
linuxlinux_kernelRange6.19.07.1.9
linuxlinux_kernelRange7.2.0
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/smc/af_smc.c"
    ],
    "versions": [
      {
        "version": "fd57770dd198f5b2ddd5b9e6bf282cf98d63adb9",
        "lessThan": "53c7938d8bcfde3296ec1a347ba2a9393c1fdcfa",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fd57770dd198f5b2ddd5b9e6bf282cf98d63adb9",
        "lessThan": "feb71634bb1abab3e8fb5cde874b27001cc1282e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fd57770dd198f5b2ddd5b9e6bf282cf98d63adb9",
        "lessThan": "01865e1ddb126b25ac9eba5cdd7ec49e11183a64",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fd57770dd198f5b2ddd5b9e6bf282cf98d63adb9",
        "lessThan": "00f89433777236ced4771211047fb5d4cd581cea",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fd57770dd198f5b2ddd5b9e6bf282cf98d63adb9",
        "lessThan": "78e5ebcd1c10ed7c8bda0a99e0abd5b62da86d67",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fd57770dd198f5b2ddd5b9e6bf282cf98d63adb9",
        "lessThan": "ff5bcd804b5bc5c64736b7d318c20e12ea9506b8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fd57770dd198f5b2ddd5b9e6bf282cf98d63adb9",
        "lessThan": "185a4caeecabc150106deda1da170b09f2ad803f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d1d004585b40c212b338fc8a40cbaaf230ea4703",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4.19.299",
        "lessThan": "4.20",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/smc/af_smc.c"
    ],
    "versions": [
      {
        "version": "5.1",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.1",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.216",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.183",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.152",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.104",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.45",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.9",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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22 Aug 2026 16:16Current
5.6Medium risk
Vulners AI Score5.6
9