{"cve":"CVE-2026-68233","nvd":{"published":"2026-08-10T13:20:11.600","modified":"2026-10-21T13:19:25.603","status":"Received","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/vc4: Shut down BO cache timer before teardown\n\nThe BO cache timer callback schedules time_work, and time_work can rearm\nthe timer through vc4_bo_cache_free_old().\n\nvc4_bo_cache_destroy() deletes the timer and then cancels the work, which\ndoes not break that cycle: the work being cancelled can rearm the timer,\nand the timer then queues work again after teardown.\n\nUse timer_shutdown_sync() instead, so the timer cannot be rearmed and the\ncycle ends with cancel_work_sync().","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/6273dd3ffb54ec581855b82ae77331b66028249c","https://git.kernel.org/stable/c/a38f2724eb93a78ba250b01e0caf3468df4d3956","https://git.kernel.org/stable/c/bac4c1a9af690b8635c6924872075c41d8763ed9","https://git.kernel.org/stable/c/cf55c6f1b62a89bf365c48bf731ccf69340e3a16","https://git.kernel.org/stable/c/e9264ee59bd94970b80b7548f693bccf0d4628da"],"products":[],"source":"nvd","synced_at":"2026-10-22T16:41:11.231219466+00:00"},"epss":{"cve":"CVE-2026-68233","score":0.00168,"percentile":0.05978,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}