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CVE-2026-64053 block: don't overwrite bip_vcnt in bio_integrity_copy_user()

🗓️ 19 Jul 2026 15:39:35Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 37 Views

Block: fix overwriting bip_vcnt in bio_integrity_copy_user to preserve bounce segment count and prevent misreads.

Related
Affected
Refs
[
  {
    "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": "3991657ae7074c3c497bf095093178bed37ea1b4",
        "lessThan": "d18160c9525c63c203656fefd847e94b538cd4a4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3991657ae7074c3c497bf095093178bed37ea1b4",
        "lessThan": "0d48654af4d1390c888389206cc13b51b82c30e6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3991657ae7074c3c497bf095093178bed37ea1b4",
        "lessThan": "066be1439593a381b1a29663becfcfe0c92363e7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3991657ae7074c3c497bf095093178bed37ea1b4",
        "lessThan": "637ad3a56a3b889527d1dacea6fea2a8bd648140",
        "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": "6.11",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.11",
        "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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