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CVE-2026-43163 md/bitmap: fix GPF in write_page caused by resize race

🗓️ 06 May 2026 11:27:41Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 24 Views

Fix General Protection Fault in write_page during bitmap resize race by holding the bitmap mutex during update.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/md/md-bitmap.c"
    ],
    "versions": [
      {
        "version": "d60b479d177a5735b6b4db6ee5280ef6653f50e7",
        "lessThan": "140cc839fbeb1ddb33a8da8811b716d88d3905b7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d60b479d177a5735b6b4db6ee5280ef6653f50e7",
        "lessThan": "ebcacc7ca22d5e8a03a970f0621ae1d1356b9ae8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d60b479d177a5735b6b4db6ee5280ef6653f50e7",
        "lessThan": "d3af62411e19752c663fe4f424dbf49d95a4cc7c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d60b479d177a5735b6b4db6ee5280ef6653f50e7",
        "lessThan": "d92b8fac294b5f915c50e65ce4ae2262e53614ec",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d60b479d177a5735b6b4db6ee5280ef6653f50e7",
        "lessThan": "a437e3bf30e32846079e470c1ba5ee790bccdf89",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d60b479d177a5735b6b4db6ee5280ef6653f50e7",
        "lessThan": "9a6f8cd28bb9bb6ed86a6df19331fb08016dee7f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d60b479d177a5735b6b4db6ee5280ef6653f50e7",
        "lessThan": "5f73c8b33df9a605a591eab72d43a969600c1f8c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d60b479d177a5735b6b4db6ee5280ef6653f50e7",
        "lessThan": "46ef85f854dfa9d5226b3c1c46493d79556c9589",
        "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/md/md-bitmap.c"
    ],
    "versions": [
      {
        "version": "3.5",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.5",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.252",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.202",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.165",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.128",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.75",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.16",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.6",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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