blk-throttle: prevent overflow while calculating wait time (Linux Linux)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.21 % · percentile 12 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- Linux
- NVD status
- Deferred
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.
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
European references
- ENISA EUVD · EUVD-2022-55648
- GCVE · GCVE-0-2022-50580
CERT-FR advisories
- CERTFR-2026-AVI-0170 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
- CERTFR-2025-AVI-1073 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
- CERTFR-2025-AVI-1032 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
Affected products
| Product | Versions |
|---|---|
| Linux · Linux | affected e43473b7f223ec866f7db273697e76c337c390f9 < 19c010ae44f0ce52b5436080492a61a092ee0cf4 ; affected e43473b7f223ec866f7db273697e76c337c390f9 < 70b2adb1d698fbc63d3b3848c452524dc15872c5 ; affected e43473b7f223ec866f7db273697e76c337c390f9 < cc6f0855bf8d9b729df28ff443ced7350c380dbd ; affected e43473b7f223ec866f7db273697e76c337c390f9 < ca67b0563b39e79290c23e509319c178b9ca9104 ; affected e43473b7f223ec866f7db273697e76c337c390f9 < 8d6bbaada2e0a65f9012ac4c2506460160e7237a |
| Linux · Linux | affected 2.6.37 ; unaffected 0 < 2.6.37 ; unaffected 5.10.150 ≤ 5.10.* ; unaffected 5.15.75 ≤ 5.15.* ; unaffected 5.19.17 ≤ 5.19.* ; unaffected 6.0.3 ≤ 6.0.* |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |