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CVE-2026-64052 block: bio-integrity: Fix null-ptr-deref in bio_integrity_map_user()

🗓️ 19 Jul 2026 15:39:35Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 24 Views

Fix null pointer dereference in bio_integrity_map_user by ensuring all pages are pinned; if partial pinning occurs, unpin and return -EFAULT.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
CVE
CVE-2026-64052
19 Jul 202615:39
cve
EUVD
EUVD-2026-45625
19 Jul 202615:39
euvd
NVD
CVE-2026-64052
19 Jul 202616:17
nvd
OSV
CVE-2026-64052 block: bio-integrity: Fix null-ptr-deref in bio_integrity_map_user()
19 Jul 202615:39
osv
OSV
DEBIAN-CVE-2026-64052
19 Jul 202616:17
osv
OSV
UBUNTU-CVE-2026-64052
20 Jul 202600:00
osv
Positive Technologies
PT-2026-61369
19 Jul 202600:00
ptsecurity
RedhatCVE
CVE-2026-64052
20 Jul 202613:47
redhatcve
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-64052
20 Jul 202600:00
nessus
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "block/bio-integrity.c"
    ],
    "versions": [
      {
        "version": "492c5d455969fc2e829f26ed4c83487b068f0dd7",
        "lessThan": "77c059f41e9395793917d067476f549a911d77d3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "492c5d455969fc2e829f26ed4c83487b068f0dd7",
        "lessThan": "76410790f1491c8e06a451045ae223a61c652455",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "492c5d455969fc2e829f26ed4c83487b068f0dd7",
        "lessThan": "8fa244738641d95ea4d70e6f9a62778bba42a5b7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "492c5d455969fc2e829f26ed4c83487b068f0dd7",
        "lessThan": "8582792cf23b3d94674d4d838f7cde9a28d0fcaf",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "block/bio-integrity.c"
    ],
    "versions": [
      {
        "version": "6.8",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.8",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.92",
        "lessThanOrEqual": "6.12.*",
        "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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