{"id":"CVE-2026-53115","state":"PUBLISHED","title":"bus: fsl-mc: use generic driver_override infrastructure","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbus: fsl-mc: 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]","publishedAt":"2026-06-24T16:30:47.330Z","updatedAt":"2026-10-21T12:42:05.258Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"1f86a00c1159fd77e66b1bd6ff1a183f4d46f34d","status":"affected","lessThan":"dbba371b19129abe9649553ab912e6bccf6c1a5b","versionType":"git"},{"version":"1f86a00c1159fd77e66b1bd6ff1a183f4d46f34d","status":"affected","lessThan":"4911b836f35c034c36f102db4ecbe339b38e7d1d","versionType":"git"},{"version":"1f86a00c1159fd77e66b1bd6ff1a183f4d46f34d","status":"affected","lessThan":"8139ce66b52a4a5638bfb445b037c07d4abeb08e","versionType":"git"},{"version":"1f86a00c1159fd77e66b1bd6ff1a183f4d46f34d","status":"affected","lessThan":"60bfb563a399c4597dc80588a1109758a8908b97","versionType":"git"},{"version":"1f86a00c1159fd77e66b1bd6ff1a183f4d46f34d","status":"affected","lessThan":"6c8dfb0362732bf1e4829867a2a5239fedc592d0","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/bus/fsl-mc/fsl-mc-bus.c","drivers/vfio/fsl-mc/vfio_fsl_mc.c","include/linux/fsl/mc.h"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.10","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.91","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.33","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.0.10","status":"unaffected","lessThanOrEqual":"7.0.*","versionType":"semver"},{"version":"7.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/bus/fsl-mc/fsl-mc-bus.c","drivers/vfio/fsl-mc/vfio_fsl_mc.c","include/linux/fsl/mc.h"]}],"references":["https://git.kernel.org/stable/c/dbba371b19129abe9649553ab912e6bccf6c1a5b","https://git.kernel.org/stable/c/4911b836f35c034c36f102db4ecbe339b38e7d1d","https://git.kernel.org/stable/c/8139ce66b52a4a5638bfb445b037c07d4abeb08e","https://git.kernel.org/stable/c/60bfb563a399c4597dc80588a1109758a8908b97","https://git.kernel.org/stable/c/6c8dfb0362732bf1e4829867a2a5239fedc592d0"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:16.098Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/53xxx/CVE-2026-53115.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-53115","state":"PUBLISHED","datePublished":"2026-06-24T16:30:47.330Z","dateUpdated":"2026-10-21T12:42:05.258Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-06-09T07:44:35.385Z"},"containers":{"cna":{"title":"bus: fsl-mc: use generic driver_override infrastructure","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nbus: fsl-mc: 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]"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"1f86a00c1159fd77e66b1bd6ff1a183f4d46f34d","status":"affected","lessThan":"dbba371b19129abe9649553ab912e6bccf6c1a5b","versionType":"git"},{"version":"1f86a00c1159fd77e66b1bd6ff1a183f4d46f34d","status":"affected","lessThan":"4911b836f35c034c36f102db4ecbe339b38e7d1d","versionType":"git"},{"version":"1f86a00c1159fd77e66b1bd6ff1a183f4d46f34d","status":"affected","lessThan":"8139ce66b52a4a5638bfb445b037c07d4abeb08e","versionType":"git"},{"version":"1f86a00c1159fd77e66b1bd6ff1a183f4d46f34d","status":"affected","lessThan":"60bfb563a399c4597dc80588a1109758a8908b97","versionType":"git"},{"version":"1f86a00c1159fd77e66b1bd6ff1a183f4d46f34d","status":"affected","lessThan":"6c8dfb0362732bf1e4829867a2a5239fedc592d0","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/bus/fsl-mc/fsl-mc-bus.c","drivers/vfio/fsl-mc/vfio_fsl_mc.c","include/linux/fsl/mc.h"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.10","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.91","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.33","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.0.10","status":"unaffected","lessThanOrEqual":"7.0.*","versionType":"semver"},{"version":"7.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/bus/fsl-mc/fsl-mc-bus.c","drivers/vfio/fsl-mc/vfio_fsl_mc.c","include/linux/fsl/mc.h"]}],"references":[{"url":"https://git.kernel.org/stable/c/dbba371b19129abe9649553ab912e6bccf6c1a5b"},{"url":"https://git.kernel.org/stable/c/4911b836f35c034c36f102db4ecbe339b38e7d1d"},{"url":"https://git.kernel.org/stable/c/8139ce66b52a4a5638bfb445b037c07d4abeb08e"},{"url":"https://git.kernel.org/stable/c/60bfb563a399c4597dc80588a1109758a8908b97"},{"url":"https://git.kernel.org/stable/c/6c8dfb0362732bf1e4829867a2a5239fedc592d0"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-21T12:42:05.258Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"6.6.160"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"6.12.91"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"6.18.33"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"7.0.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"7.1"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}