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CVE-2022-50580

blk-throttle: prevent overflow while calculating wait time

N/A
Published: October 22, 2025 at 01:23 PM UTC
Updated: June 17, 2026 at 05:23 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
N/A
Exploit prediction
EPSS 0.2%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
95%
2.6.37 ≤ v < 5.10.1502.6.37 ≤ v < 5.15.752.6.37 ≤ v < 5.19.172.6.37 ≤ v < 6.0.32.6.37 ≤ v < 6.12.6.37e43473b7f223ec866f7db273697e76c337c390f9
Vendor states this is fixed in 19c010ae44f0ce52b5436080492a61a092ee0cf4 (fixed)
Vendor states this is fixed in 70b2adb1d698fbc63d3b3848c452524dc15872c5 (fixed)
Vendor states this is fixed in 8d6bbaada2e0a65f9012ac4c2506460160e7237a (fixed)
Vendor states this is fixed in ca67b0563b39e79290c23e509319c178b9ca9104 (fixed)
Vendor states this is fixed in cc6f0855bf8d9b729df28ff443ced7350c380dbd (fixed)
Vendor states this is fixed in 2.6.37 (unaffected)
Vendor states this is fixed in 5.10.150 (unaffected)
Vendor states this is fixed in 5.15.75 (unaffected)
Vendor states this is fixed in 5.19.17 (unaffected)
Vendor states this is fixed in 6.0.3 (unaffected)
Vendor states this is fixed in 6.1 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (5)

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

Quick Info

StatusDEFERRED

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