{"cve":"CVE-2025-21849","nvd":{"published":"2025-03-12T10:15:17.367","modified":"2026-06-17T08:44:26.300","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/i915/gt: Use spin_lock_irqsave() in interruptible context\n\nspin_lock/unlock() functions used in interrupt contexts could\nresult in a deadlock, as seen in GitLab issue #13399,\nwhich occurs when interrupt comes in while holding a lock.\n\nTry to remedy the problem by saving irq state before spin lock\nacquisition.\n\nv2: add irqs' state save/restore calls to all locks/unlocks in\n signal_irq_work() execution (Maciej)\n\nv3: use with spin_lock_irqsave() in guc_lrc_desc_unpin() instead\n of other lock/unlock calls and add Fixes and Cc tags (Tvrtko);\n change title and commit message\n\n(cherry picked from commit c088387ddd6482b40f21ccf23db1125e8fa4af7e)","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-667"],"references":["https://git.kernel.org/stable/c/2bf1f4c129db7a10920655b000f0292f1ee509c2","https://git.kernel.org/stable/c/47ae46ac5407646420e06b78e0dad331e56a4bb4","https://git.kernel.org/stable/c/e49477f7f78598295551d486ecc7f020d796432e"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:00:17.429720821+00:00"},"epss":{"cve":"CVE-2025-21849","score":0.00179,"percentile":0.07472,"date":"2026-10-31"},"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."]}