{"cve":"CVE-2026-31527","nvd":{"published":"2026-04-22T14:16:52.903","modified":"2026-06-17T10:33:55.077","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndriver core: platform: use generic driver_override infrastructure\n\nWhen a driver is probed through __driver_attach(), the bus' match()\ncallback is called without the device lock held, thus accessing the\ndriver_override field without a lock, which can cause a UAF.\n\nFix this by using the driver-core driver_override infrastructure taking\ncare of proper locking internally.\n\nNote that calling match() from __driver_attach() without the device lock\nheld is intentional. [1]","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-416"],"references":["https://git.kernel.org/stable/c/2b38efc05bf7a8568ec74bfffea0f5cfa62bc01d","https://git.kernel.org/stable/c/492349e5e4a369a8b62781100a3ade470bf1ce6b","https://git.kernel.org/stable/c/7c02a9bd7d14a89065fcf672b86d8e1d1a41d3b1","https://git.kernel.org/stable/c/9a6086d2a828dd2ff74cf9abcae456670febd71f","https://git.kernel.org/stable/c/edee7ee5a14c3b33f6d54641f5af5c5e9180992d"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:30:49.762551342+00:00"},"epss":{"cve":"CVE-2026-31527","score":0.00129,"percentile":0.0248,"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."]}