{"id":"CVE-2026-53117","title":"s390/cio: use generic driver_override infrastructure","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\ns390/cio: use generic driver_override infrastructure\n\nWhen a driver is probed through __driver_attach(), the bus' match()\ncallback is called without the device lock hel…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= ebc3d179150347f3b6d97d8f249378bb2218f95e < c4295487124f461405e1ef64dfa8c4ab0cb7ebcf","Linux >= ebc3d179150347f3b6d97d8f249378bb2218f95e < 106d594711e97762788046c5bbb94f580abc4bf4","Linux >= ebc3d179150347f3b6d97d8f249378bb2218f95e < 2081957d8c323ffb58a10bc64837717ac5a042a1","Linux >= ebc3d179150347f3b6d97d8f249378bb2218f95e < b660ba045b2b22cf3b4be72773de00cb48f47be5","Linux >= ebc3d179150347f3b6d97d8f249378bb2218f95e < ac4d8bb6e2e13e8684a76ea48d13ebaaaf5c24c4","Linux 5.3"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-06T16:19:31.691577Z"},"published":"2026-06-24","updated":"2026-11-06","sourceUpdated":"2026-11-06T16:24:01.750Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-53117","references":[{"url":"https://git.kernel.org/stable/c/c4295487124f461405e1ef64dfa8c4ab0cb7ebcf"},{"url":"https://git.kernel.org/stable/c/106d594711e97762788046c5bbb94f580abc4bf4"},{"url":"https://git.kernel.org/stable/c/2081957d8c323ffb58a10bc64837717ac5a042a1"},{"url":"https://git.kernel.org/stable/c/b660ba045b2b22cf3b4be72773de00cb48f47be5"},{"url":"https://git.kernel.org/stable/c/ac4d8bb6e2e13e8684a76ea48d13ebaaaf5c24c4"}],"tags":["cve.org"],"epss":0.00175,"epssPercentile":0.07045,"ingestedAt":"2026-11-06T16:57:43.289Z","slug":"CVE-2026-53117","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\ns390/cio: 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 >= ebc3d179150347f3b6d97d8f249378bb2218f95e < c4295487124f461405e1ef64dfa8c4ab0cb7ebcf`\n- `Linux >= ebc3d179150347f3b6d97d8f249378bb2218f95e < 106d594711e97762788046c5bbb94f580abc4bf4`\n- `Linux >= ebc3d179150347f3b6d97d8f249378bb2218f95e < 2081957d8c323ffb58a10bc64837717ac5a042a1`\n- `Linux >= ebc3d179150347f3b6d97d8f249378bb2218f95e < b660ba045b2b22cf3b4be72773de00cb48f47be5`\n- `Linux >= ebc3d179150347f3b6d97d8f249378bb2218f95e < ac4d8bb6e2e13e8684a76ea48d13ebaaaf5c24c4`\n- `Linux 5.3`\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":[]}