CVE-2022-50580

blk-throttle: prevent overflow while calculating wait time

EPSS 0.2%

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

22 Oct 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

Affected products

Linux · Linux

References

https://git.kernel.org/stable/c/19c010ae44f0ce52b5436080492a61a092ee0cf4 https://git.kernel.org/stable/c/70b2adb1d698fbc63d3b3848c452524dc15872c5 https://git.kernel.org/stable/c/8d6bbaada2e0a65f9012ac4c2506460160e7237a https://git.kernel.org/stable/c/ca67b0563b39e79290c23e509319c178b9ca9104 https://git.kernel.org/stable/c/cc6f0855bf8d9b729df28ff443ced7350c380dbd