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CVE-2026-80895 mshv: Order pt_vp_array publish against irqfd assertion path

🗓️ 04 Sep 2026 17:11:10Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 14 Views

Linux mshv: missing release on VP publish races with irqfd read of partially-init struct.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-80895
4 Sep 202617:11
cve
debiancve
Debian CVE
CVE-2026-80895
4 Sep 202617:11
debiancve
euvd
EUVD
EUVD-2026-71645
4 Sep 202617:11
euvd
nvd
NVD
CVE-2026-80895
4 Sep 202618:17
nvd
osv
OSV
DEBIAN-CVE-2026-80895
4 Sep 202618:17
osv
ptsecurity
Positive Technologies
PT-2026-86186
4 Sep 202600:00
ptsecurity
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/hv/mshv_eventfd.c",
      "drivers/hv/mshv_root_main.c"
    ],
    "versions": [
      {
        "version": "621191d709b14882270dfd8ea5d7d6cdfebe2c35",
        "lessThan": "062aa5dcc49a9ad96726a80c2a0ab0a1233bc2b9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "621191d709b14882270dfd8ea5d7d6cdfebe2c35",
        "lessThan": "eba2bf5daa7933f94c53ebbbf0f567d4274716df",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "621191d709b14882270dfd8ea5d7d6cdfebe2c35",
        "lessThan": "b098dc869219c15dc49bf9cf63fb5fc1481d3373",
        "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/hv/mshv_eventfd.c",
      "drivers/hv/mshv_root_main.c"
    ],
    "versions": [
      {
        "version": "6.15",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.15",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.44",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.8",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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