CVE-2026-68233
drm/vc4: Shut down BO cache timer before teardown
Not available
At a glance
- Source
- NVD
- EPSS
- EPSS 0.17 % · percentile 6 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- Linux
- NVD status
- Received
Description
In the Linux kernel, the following vulnerability has been resolved: drm/vc4: Shut down BO cache timer before teardown The BO cache timer callback schedules time_work, and time_work can rearm the timer through vc4_bo_cache_free_old(). vc4_bo_cache_destroy() deletes the timer and then cancels the work, which does not break that cycle: the work being cancelled can rearm the timer, and the timer then queues work again after teardown. Use timer_shutdown_sync() instead, so the timer cannot be rearmed and the cycle ends with cancel_work_sync().
References
- https://git.kernel.org/stable/c/cf55c6f1b62a89bf365c48bf731ccf69340e3a16
- https://git.kernel.org/stable/c/e9264ee59bd94970b80b7548f693bccf0d4628da
- https://git.kernel.org/stable/c/a38f2724eb93a78ba250b01e0caf3468df4d3956
- https://git.kernel.org/stable/c/bac4c1a9af690b8635c6924872075c41d8763ed9
- https://git.kernel.org/stable/c/6273dd3ffb54ec581855b82ae77331b66028249c
European references
- ENISA EUVD · EUVD-2026-55334
- GCVE · GCVE-0-2026-68233
CERT-FR advisories
- CERTFR-2026-AVI-1385 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
- CERTFR-2026-AVI-1333 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
- CERTFR-2026-AVI-1286 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
Affected products
| Product | Versions |
|---|---|
| Linux · Linux | affected c826a6e1064419f78855463cf29ce9e8b9d25bf4 < cf55c6f1b62a89bf365c48bf731ccf69340e3a16 ; affected c826a6e1064419f78855463cf29ce9e8b9d25bf4 < e9264ee59bd94970b80b7548f693bccf0d4628da ; affected c826a6e1064419f78855463cf29ce9e8b9d25bf4 < a38f2724eb93a78ba250b01e0caf3468df4d3956 ; affected c826a6e1064419f78855463cf29ce9e8b9d25bf4 < bac4c1a9af690b8635c6924872075c41d8763ed9 ; affected c826a6e1064419f78855463cf29ce9e8b9d25bf4 < 6273dd3ffb54ec581855b82ae77331b66028249c |
| Linux · Linux | affected 4.5 ; unaffected 0 < 4.5 ; unaffected 6.6.160 ≤ 6.6.* ; unaffected 6.12.114 ≤ 6.12.* ; unaffected 6.18.42 ≤ 6.18.* ; unaffected 7.1.6 ≤ 7.1.* |
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 |