{"cve":"CVE-2026-31781","nvd":{"published":"2026-05-01T15:16:41.577","modified":"2026-06-17T10:34:27.110","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/ioc32: stop speculation on the drm_compat_ioctl path\n\nThe drm compat ioctl path takes a user controlled pointer, and then\ndereferences it into a table of function pointers, the signature method\nof spectre problems.  Fix this up by calling array_index_nospec() on the\nindex to the function pointer list.","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":[],"references":["https://git.kernel.org/stable/c/27ef84bba9b9d7b03418c60fbc6069ea0e87b13c","https://git.kernel.org/stable/c/46a60ee8956ef1975f00455f614761c7ecedc09d","https://git.kernel.org/stable/c/489f2ef2b908898d01df697dc4fe1476674be640","https://git.kernel.org/stable/c/4a41c2b18fc05d30b718d2602cac339eae710b34","https://git.kernel.org/stable/c/5bb398991f378ef74d90b14a6ea8b61ff96cc03a"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:33:09.003606135+00:00"},"epss":{"cve":"CVE-2026-31781","score":0.00123,"percentile":0.02028,"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."]}