CVE-2022-50580

blk-throttle: prevent overflow while calculating wait time

State: Published
Severity: Not scored
Published: Oct 22, 2025
Updated: May 11, 2026
Reserved: Oct 22, 2025

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.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	e43473b7f223ec866f7db273697e76c337c390f9 to before 19c010ae44f0ce52b5436080492a61a092ee0cf4Affected e43473b7f223ec866f7db273697e76c337c390f9 to before 70b2adb1d698fbc63d3b3848c452524dc15872c5Affected e43473b7f223ec866f7db273697e76c337c390f9 to before cc6f0855bf8d9b729df28ff443ced7350c380dbdAffected e43473b7f223ec866f7db273697e76c337c390f9 to before ca67b0563b39e79290c23e509319c178b9ca9104Affected e43473b7f223ec866f7db273697e76c337c390f9 to before 8d6bbaada2e0a65f9012ac4c2506460160e7237aAffected
LinuxLinux	2.6.37Affected before 2.6.37Not affected 5.10.150 through 5.10.Not affected 5.15.75 through 5.15.Not affected 5.19.17 through 5.19.Not affected 6.0.3 through 6.0.Not affected 6.1 and laterNot affected

Product

Versions

LinuxLinux

e43473b7f223ec866f7db273697e76c337c390f9 to before 19c010ae44f0ce52b5436080492a61a092ee0cf4Affected
e43473b7f223ec866f7db273697e76c337c390f9 to before 70b2adb1d698fbc63d3b3848c452524dc15872c5Affected
e43473b7f223ec866f7db273697e76c337c390f9 to before cc6f0855bf8d9b729df28ff443ced7350c380dbdAffected
e43473b7f223ec866f7db273697e76c337c390f9 to before ca67b0563b39e79290c23e509319c178b9ca9104Affected
e43473b7f223ec866f7db273697e76c337c390f9 to before 8d6bbaada2e0a65f9012ac4c2506460160e7237aAffected

LinuxLinux

2.6.37Affected
before 2.6.37Not affected
5.10.150 through 5.10.*Not affected
5.15.75 through 5.15.*Not affected
5.19.17 through 5.19.*Not affected
6.0.3 through 6.0.*Not affected
6.1 and laterNot affected

References

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.