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CVE-2026-99168 mshv_vtl: Check per-CPU register page before mmap

🗓️ 28 Oct 2026 10:35:19Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 4 Views

Linux kernel mshv_vtl_fault() fails to check per-CPU register page, causing a NULL pointer dereference.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-99168
28 Oct 202611:29
–circl
cve
CVE
CVE-2026-99168
28 Oct 202610:35
–cve
euvd
EUVD
EUVD-2026-111920
28 Oct 202610:35
–euvd
nvd
NVD
CVE-2026-99168
28 Oct 202611:17
–nvd
osv_debian
osv_debian
DEBIAN-CVE-2026-99168
28 Oct 202611:17
–osv_debian
ptsecurity
Positive Technologies
PT-2026-128161
28 Oct 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_vtl_main.c"
    ],
    "versions": [
      {
        "version": "7bfe3b8ea6e30437e01fcb8e4f56ef6e4d986d0f",
        "lessThan": "5c0757b065fbd140d8fbd05dc2c2146b713dfa68",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7bfe3b8ea6e30437e01fcb8e4f56ef6e4d986d0f",
        "lessThan": "874194a8de75fc2f4d1fb70c670b289b7e48f93e",
        "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_vtl_main.c"
    ],
    "versions": [
      {
        "version": "6.19",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.19",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.13",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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