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CVE-2026-64045

🗓️ 19 Jul 2026 15:39:30Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 6 Views

Fix race in ovpn_tcp_close by caching sock->peer and using it for removal to prevent use after free.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
Cvelist
CVE-2026-64045 ovpn: tcp - use cached peer pointer in ovpn_tcp_close()
19 Jul 202615:39
cvelist
EUVD
EUVD-2026-45618
19 Jul 202615:39
euvd
NVD
CVE-2026-64045
19 Jul 202616:17
nvd
OSV
CVE-2026-64045 ovpn: tcp - use cached peer pointer in ovpn_tcp_close()
19 Jul 202615:39
osv
OSV
DEBIAN-CVE-2026-64045
19 Jul 202616:17
osv
OSV
UBUNTU-CVE-2026-64045
20 Jul 202600:00
osv
Positive Technologies
PT-2026-61362
19 Jul 202600:00
ptsecurity
Vulners
CNA
Node
OR
linuxlinux_kernelRange6.166.18.34
linuxlinux_kernelRange6.19.07.0.11
linuxlinux_kernelRange7.1.0
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/net/ovpn/tcp.c"
    ],
    "versions": [
      {
        "version": "11851cbd60ea1e5abbd97619d69845ead99303d6",
        "lessThan": "e5460eb7238c19d651a9b22b2378b587033a4095",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "11851cbd60ea1e5abbd97619d69845ead99303d6",
        "lessThan": "d3ef441907fca7c340979e577a3db3bb634bf166",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "11851cbd60ea1e5abbd97619d69845ead99303d6",
        "lessThan": "775d8d7ad02aa345e1588424a6a8b9ae49fb9012",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/net/ovpn/tcp.c"
    ],
    "versions": [
      {
        "version": "6.16",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.16",
        "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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20 Jul 2026 15:17Current
5.3Medium risk
Vulners AI Score5.3
CVSS 3.18.4
6