{"id":"CVE-2026-31527","title":"driver core: platform: use generic driver_override infrastructure","summary":"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 de…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 3d713e0e382e6fcfb4bba1501645b66c129ad60b < 492349e5e4a369a8b62781100a3ade470bf1ce6b","Linux >= 3d713e0e382e6fcfb4bba1501645b66c129ad60b < 9a6086d2a828dd2ff74cf9abcae456670febd71f","Linux >= 3d713e0e382e6fcfb4bba1501645b66c129ad60b < 7c02a9bd7d14a89065fcf672b86d8e1d1a41d3b1","Linux >= 3d713e0e382e6fcfb4bba1501645b66c129ad60b < edee7ee5a14c3b33f6d54641f5af5c5e9180992d","Linux >= 3d713e0e382e6fcfb4bba1501645b66c129ad60b < 2b38efc05bf7a8568ec74bfffea0f5cfa62bc01d","Linux 3.17"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-05T21:37:40.862642Z"},"published":"2026-04-22","updated":"2026-11-05","sourceUpdated":"2026-11-05T21:45:06.341Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-31527","references":[{"url":"https://git.kernel.org/stable/c/492349e5e4a369a8b62781100a3ade470bf1ce6b"},{"url":"https://git.kernel.org/stable/c/9a6086d2a828dd2ff74cf9abcae456670febd71f"},{"url":"https://git.kernel.org/stable/c/7c02a9bd7d14a89065fcf672b86d8e1d1a41d3b1"},{"url":"https://git.kernel.org/stable/c/edee7ee5a14c3b33f6d54641f5af5c5e9180992d"},{"url":"https://git.kernel.org/stable/c/2b38efc05bf7a8568ec74bfffea0f5cfa62bc01d"}],"tags":["cve.org"],"epss":0.00129,"epssPercentile":0.02527,"ingestedAt":"2026-11-05T23:41:31.971Z","slug":"CVE-2026-31527","body":"## Overview\n\nIn 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]\n\n## Affected\n\n- `Linux >= 3d713e0e382e6fcfb4bba1501645b66c129ad60b < 492349e5e4a369a8b62781100a3ade470bf1ce6b`\n- `Linux >= 3d713e0e382e6fcfb4bba1501645b66c129ad60b < 9a6086d2a828dd2ff74cf9abcae456670febd71f`\n- `Linux >= 3d713e0e382e6fcfb4bba1501645b66c129ad60b < 7c02a9bd7d14a89065fcf672b86d8e1d1a41d3b1`\n- `Linux >= 3d713e0e382e6fcfb4bba1501645b66c129ad60b < edee7ee5a14c3b33f6d54641f5af5c5e9180992d`\n- `Linux >= 3d713e0e382e6fcfb4bba1501645b66c129ad60b < 2b38efc05bf7a8568ec74bfffea0f5cfa62bc01d`\n- `Linux 3.17`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}