CVE-2022-50580
N/A
N/A
Summary
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 Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | e43473b7f223ec866f7db273697e76c337c390f9 < 19c010ae44f0ce52b5436080492a61a092ee0cf4 | affected |
| Linux | Linux | e43473b7f223ec866f7db273697e76c337c390f9 < 70b2adb1d698fbc63d3b3848c452524dc15872c5 | affected |
| Linux | Linux | e43473b7f223ec866f7db273697e76c337c390f9 < cc6f0855bf8d9b729df28ff443ced7350c380dbd | affected |
| Linux | Linux | e43473b7f223ec866f7db273697e76c337c390f9 < ca67b0563b39e79290c23e509319c178b9ca9104 | affected |
| Linux | Linux | e43473b7f223ec866f7db273697e76c337c390f9 < 8d6bbaada2e0a65f9012ac4c2506460160e7237a | affected |
| Linux | Linux | 2.6.37 | affected |
| Linux | Linux | 0 < 2.6.37 | unaffected |
| Linux | Linux | 5.10.150 <= 5.10.* | unaffected |
| Linux | Linux | 5.15.75 <= 5.15.* | unaffected |
| Linux | Linux | 5.19.17 <= 5.19.* | unaffected |
| Linux | Linux | 6.0.3 <= 6.0.* | unaffected |
| Linux | Linux | 6.1 <= * | unaffected |
Weaknesses
References
- https://git.kernel.org/stable/c/19c010ae44f0ce52b5436080492a61a092ee0cf4
- https://git.kernel.org/stable/c/70b2adb1d698fbc63d3b3848c452524dc15872c5
- https://git.kernel.org/stable/c/cc6f0855bf8d9b729df28ff443ced7350c380dbd
- https://git.kernel.org/stable/c/ca67b0563b39e79290c23e509319c178b9ca9104
- https://git.kernel.org/stable/c/8d6bbaada2e0a65f9012ac4c2506460160e7237a
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