CVE-2022-50580

blk-throttle: prevent overflow while calculating wait time

published October 22, 2025

CVSS
—
EPSS
0%
Percentile
11.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00214 · 11.1th percentile
Published
2025-10-22T13:23Z
EPSS history
Timeline
  • 22 OCT 13:23Z
    blk-throttle: prevent overflow while calculating wait time
    cvelistv5