FKIE_CVE-2022-50580

Vulnerability from fkie_nvd - Published: 2025-10-22 14:15 - Updated: 2026-06-17 05:23
Severity
Summary
In the Linux kernel, the following vulnerability has been resolved: blk-throttle: prevent overflow while calculating wait time There is a problem found by code review in tg_with_in_bps_limit() that 'bps_limit * jiffy_elapsed_rnd' might overflow. Fix the problem by calling mul_u64_u64_div_u64() instead.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/19c010ae44f0ce52b5436080492a61a092ee0cf4
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/70b2adb1d698fbc63d3b3848c452524dc15872c5
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8d6bbaada2e0a65f9012ac4c2506460160e7237a
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ca67b0563b39e79290c23e509319c178b9ca9104
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/cc6f0855bf8d9b729df28ff443ced7350c380dbd
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "block/blk-throttle.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "19c010ae44f0ce52b5436080492a61a092ee0cf4",
              "status": "affected",
              "version": "e43473b7f223ec866f7db273697e76c337c390f9",
              "versionType": "git"
            },
            {
              "lessThan": "70b2adb1d698fbc63d3b3848c452524dc15872c5",
              "status": "affected",
              "version": "e43473b7f223ec866f7db273697e76c337c390f9",
              "versionType": "git"
            },
            {
              "lessThan": "cc6f0855bf8d9b729df28ff443ced7350c380dbd",
              "status": "affected",
              "version": "e43473b7f223ec866f7db273697e76c337c390f9",
              "versionType": "git"
            },
            {
              "lessThan": "ca67b0563b39e79290c23e509319c178b9ca9104",
              "status": "affected",
              "version": "e43473b7f223ec866f7db273697e76c337c390f9",
              "versionType": "git"
            },
            {
              "lessThan": "8d6bbaada2e0a65f9012ac4c2506460160e7237a",
              "status": "affected",
              "version": "e43473b7f223ec866f7db273697e76c337c390f9",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "block/blk-throttle.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "2.6.37"
            },
            {
              "lessThan": "2.6.37",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.150",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.75",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.19.*",
              "status": "unaffected",
              "version": "5.19.17",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.0.*",
              "status": "unaffected",
              "version": "6.0.3",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nblk-throttle: prevent overflow while calculating wait time\n\nThere is a problem found by code review in tg_with_in_bps_limit() that\n\u0027bps_limit * jiffy_elapsed_rnd\u0027 might overflow. Fix the problem by\ncalling mul_u64_u64_div_u64() instead."
    }
  ],
  "id": "CVE-2022-50580",
  "lastModified": "2026-06-17T05:23:49.817",
  "metrics": {},
  "published": "2025-10-22T14:15:43.037",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/19c010ae44f0ce52b5436080492a61a092ee0cf4"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/70b2adb1d698fbc63d3b3848c452524dc15872c5"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/8d6bbaada2e0a65f9012ac4c2506460160e7237a"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/ca67b0563b39e79290c23e509319c178b9ca9104"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/cc6f0855bf8d9b729df28ff443ced7350c380dbd"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Deferred"
}


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Nomenclature

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