CVE-2022-50580: blk-throttle: prevent overflow while calculating wait time

Deferred
AliasesUBUNTU-CVE-2022-50580DEBIAN-CVE-2022-50580
Published 22-10-2025Last modified 11-05-2026

Vulnerability summary

CVE-2022-50580 is a vulnerability in linux with no CVSS score yet. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 11.7% of scored vulnerabilities.

Priority
Insufficient evidence

No CVSS vector published; no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
Not scored
010
No CVSS score recorded
EPSS score
0.21%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 6 · Related 5
RHSA-2023:2458SUSE-SU-2025:4111-1SUSE-SU-2025:4139-1SUSE-SU-2025:4149-1SUSE-SU-2025:4320-1SUSE-SU-2026:0473-1

Timeline

  1. 22-10-2025
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

Risk metrics not yet published.

EPSS trend

Probability

0.21%

Chance of exploitation in the next 30 days

Percentile

12%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.21% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: not stated in public data.

Ubuntu119 products
  • linuxAll versions (No fix recorded) | < 5.15.0-60.66
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.15.0-1030.34
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian1 product
  • linux< 6.0.3-1
Linux1 product
  • linux≥ e43473b7f223ec866f7db273697e76c337c390f9, < 19c010ae44f0ce52b5436080492a61a092ee0cf4 | ≥ e43473b7f223ec866f7db273697e76c337c390f9, < 70b2adb1d698fbc63d3b3848c452524dc15872c5 | ≥ e43473b7f223ec866f7db273697e76c337c390f9, < cc6f0855bf8d9b729df28ff443ced7350c380dbd | ≥ e43473b7f223ec866f7db273697e76c337c390f9, < ca67b0563b39e79290c23e509319c178b9ca9104 | ≥ e43473b7f223ec866f7db273697e76c337c390f9, < 8d6bbaada2e0a65f9012ac4c2506460160e7237a | 2.6.37

3 vendors · 121 products

References

9 links