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CVE-2026-80724

🗓️ 28 Aug 2026 07:03:08Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 15 Views

Linux ptp/vmclock read-only mappings upgradable to writable via mprotect corrupting host time data.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
cvelist
Cvelist
CVE-2026-80724 ptp: vmclock: prevent read-only mappings from becoming writable
28 Aug 202607:03
cvelist
debiancve
Debian CVE
CVE-2026-80724
28 Aug 202607:03
debiancve
euvd
EUVD
EUVD-2026-67460
28 Aug 202607:03
euvd
nvd
NVD
CVE-2026-80724
28 Aug 202608:16
nvd
osv
OSV
DEBIAN-CVE-2026-80724
28 Aug 202608:16
osv
ptsecurity
Positive Technologies
PT-2026-83024
28 Aug 202600:00
ptsecurity
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-80724
28 Aug 202600:00
nessus
Vulners
CNA
Node
OR
linuxlinux_kernelRange6.136.18.47
linuxlinux_kernelRange6.19.07.1.11
linuxlinux_kernelRange7.2.07.2.1
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/ptp/ptp_vmclock.c"
    ],
    "versions": [
      {
        "version": "20503272422693d793b84f88bf23fe4e955d3a33",
        "lessThan": "5b4f2bec7bea6c04084d720d731bedee7caf878d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "20503272422693d793b84f88bf23fe4e955d3a33",
        "lessThan": "2496e141827102d6af512950057d402a2cfb2bfc",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "20503272422693d793b84f88bf23fe4e955d3a33",
        "lessThan": "2e596e7814ba38cdc129991058b6c254ed37cb11",
        "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/ptp/ptp_vmclock.c"
    ],
    "versions": [
      {
        "version": "6.13",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.13",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.47",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.11",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.1",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      }
    ]
  }
]

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29 Aug 2026 07:16Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.18.8
EPSS0.00154
15