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CVE-2022-50580 blk-throttle: prevent overflow while calculating wait time

🗓️ 22 Oct 2025 13:23:32Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 5 Views

CVE-2022-50580: Linux kernel blk-throttle overflow in wait time now fixed via mul_u64_u64_div_u64.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "block/blk-throttle.c"
    ],
    "versions": [
      {
        "version": "e43473b7f223ec866f7db273697e76c337c390f9",
        "lessThan": "19c010ae44f0ce52b5436080492a61a092ee0cf4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e43473b7f223ec866f7db273697e76c337c390f9",
        "lessThan": "70b2adb1d698fbc63d3b3848c452524dc15872c5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e43473b7f223ec866f7db273697e76c337c390f9",
        "lessThan": "cc6f0855bf8d9b729df28ff443ced7350c380dbd",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e43473b7f223ec866f7db273697e76c337c390f9",
        "lessThan": "ca67b0563b39e79290c23e509319c178b9ca9104",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e43473b7f223ec866f7db273697e76c337c390f9",
        "lessThan": "8d6bbaada2e0a65f9012ac4c2506460160e7237a",
        "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/blk-throttle.c"
    ],
    "versions": [
      {
        "version": "2.6.37",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.37",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.150",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.75",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.19.17",
        "lessThanOrEqual": "5.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.0.3",
        "lessThanOrEqual": "6.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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