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Description

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.

PUBLISHED Reserved 2025-10-22 | Published 2025-10-22 | Updated 2025-10-22 | Assigner Linux

Product status

Default status
unaffected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before 19c010ae44f0ce52b5436080492a61a092ee0cf4
affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before 70b2adb1d698fbc63d3b3848c452524dc15872c5
affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before cc6f0855bf8d9b729df28ff443ced7350c380dbd
affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before ca67b0563b39e79290c23e509319c178b9ca9104
affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before 8d6bbaada2e0a65f9012ac4c2506460160e7237a
affected

Default status
affected

5.10.150 (semver)
unaffected

5.15.75 (semver)
unaffected

5.19.17 (semver)
unaffected

6.0.3 (semver)
unaffected

6.1 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/19c010ae44f0ce52b5436080492a61a092ee0cf4

git.kernel.org/...c/70b2adb1d698fbc63d3b3848c452524dc15872c5

git.kernel.org/...c/cc6f0855bf8d9b729df28ff443ced7350c380dbd

git.kernel.org/...c/ca67b0563b39e79290c23e509319c178b9ca9104

git.kernel.org/...c/8d6bbaada2e0a65f9012ac4c2506460160e7237a

cve.org (CVE-2022-50580)

nvd.nist.gov (CVE-2022-50580)

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