CVEvulnerability
CVE-2022-50580
- Status
- Deferred
- Published
- 2025-10-22
- Last modified
- 2026-06-17
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
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.
References
- https://git.kernel.org/stable/c/19c010ae44f0ce52b5436080492a61a092ee0cf4 git.kernel.org
- https://git.kernel.org/stable/c/70b2adb1d698fbc63d3b3848c452524dc15872c5 git.kernel.org
- https://git.kernel.org/stable/c/8d6bbaada2e0a65f9012ac4c2506460160e7237a git.kernel.org
- https://git.kernel.org/stable/c/ca67b0563b39e79290c23e509319c178b9ca9104 git.kernel.org
- https://git.kernel.org/stable/c/cc6f0855bf8d9b729df28ff443ced7350c380dbd git.kernel.org