{"id":"CVE-2023-53596","state":"PUBLISHED","title":"drivers: base: Free devm resources when unregistering a device","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrivers: base: Free devm resources when unregistering a device\n\nIn the current code, devres_release_all() only gets called if the device\nhas a bus and has been probed.\n\nThis leads to issues when using bus-less or driver-less devices where\nthe device might never get freed if a managed resource holds a reference\nto the device. This is happening in the DRM framework for example.\n\nWe should thus call devres_release_all() in the device_del() function to\nmake sure that the device-managed actions are properly executed when the\ndevice is unregistered, even if it has neither a bus nor a driver.\n\nThis is effectively the same change than commit 2f8d16a996da (\"devres:\nrelease resources on device_del()\") that got reverted by commit\na525a3ddeaca (\"driver core: free devres in device_release\") over\nmemory leaks concerns.\n\nThis patch effectively combines the two commits mentioned above to\nrelease the resources both on device_del() and device_release() and get\nthe best of both worlds.","publishedAt":"2025-10-04T15:44:08.942Z","updatedAt":"2026-06-01T16:04:17.609Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"a525a3ddeaca69f405d98442ab3c0746e53168dc","status":"affected","lessThan":"83e2ec36a92432e9445e853c12becbbae353b511","versionType":"git"},{"version":"a525a3ddeaca69f405d98442ab3c0746e53168dc","status":"affected","lessThan":"b9ef4b0aa91d2f9f5951faafdbbd47cf01799ec3","versionType":"git"},{"version":"a525a3ddeaca69f405d98442ab3c0746e53168dc","status":"affected","lessThan":"297992e5c63528e603666e36081836204fc36ec9","versionType":"git"},{"version":"a525a3ddeaca69f405d98442ab3c0746e53168dc","status":"affected","lessThan":"3bcc4c2a096e8342c8c719e595ce15de212694dd","versionType":"git"},{"version":"a525a3ddeaca69f405d98442ab3c0746e53168dc","status":"affected","lessThan":"c8c426fae26086a0ca8ab6cc6da2de79810ec038","versionType":"git"},{"version":"a525a3ddeaca69f405d98442ab3c0746e53168dc","status":"affected","lessThan":"699fb50d99039a50e7494de644f96c889279aca3","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/base/core.c","drivers/base/test/platform-device-test.c","drivers/base/test/root-device-test.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.7","versionType":"semver"},{"version":"5.10.258","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.209","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.53","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.4.16","status":"unaffected","lessThanOrEqual":"6.4.*","versionType":"semver"},{"version":"6.5.3","status":"unaffected","lessThanOrEqual":"6.5.*","versionType":"semver"},{"version":"6.6","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/base/core.c","drivers/base/test/platform-device-test.c","drivers/base/test/root-device-test.c"]}],"references":["https://git.kernel.org/stable/c/83e2ec36a92432e9445e853c12becbbae353b511","https://git.kernel.org/stable/c/b9ef4b0aa91d2f9f5951faafdbbd47cf01799ec3","https://git.kernel.org/stable/c/297992e5c63528e603666e36081836204fc36ec9","https://git.kernel.org/stable/c/3bcc4c2a096e8342c8c719e595ce15de212694dd","https://git.kernel.org/stable/c/c8c426fae26086a0ca8ab6cc6da2de79810ec038","https://git.kernel.org/stable/c/699fb50d99039a50e7494de644f96c889279aca3"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/53xxx/CVE-2023-53596.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53596","state":"PUBLISHED","datePublished":"2025-10-04T15:44:08.942Z","dateUpdated":"2026-06-01T16:04:17.609Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-10-04T15:40:38.478Z"},"containers":{"cna":{"title":"drivers: base: Free devm resources when unregistering a device","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrivers: base: Free devm resources when unregistering a device\n\nIn the current code, devres_release_all() only gets called if the device\nhas a bus and has been probed.\n\nThis leads to issues when using bus-less or driver-less devices where\nthe device might never get freed if a managed resource holds a reference\nto the device. This is happening in the DRM framework for example.\n\nWe should thus call devres_release_all() in the device_del() function to\nmake sure that the device-managed actions are properly executed when the\ndevice is unregistered, even if it has neither a bus nor a driver.\n\nThis is effectively the same change than commit 2f8d16a996da (\"devres:\nrelease resources on device_del()\") that got reverted by commit\na525a3ddeaca (\"driver core: free devres in device_release\") over\nmemory leaks concerns.\n\nThis patch effectively combines the two commits mentioned above to\nrelease the resources both on device_del() and device_release() and get\nthe best of both worlds."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"a525a3ddeaca69f405d98442ab3c0746e53168dc","status":"affected","lessThan":"83e2ec36a92432e9445e853c12becbbae353b511","versionType":"git"},{"version":"a525a3ddeaca69f405d98442ab3c0746e53168dc","status":"affected","lessThan":"b9ef4b0aa91d2f9f5951faafdbbd47cf01799ec3","versionType":"git"},{"version":"a525a3ddeaca69f405d98442ab3c0746e53168dc","status":"affected","lessThan":"297992e5c63528e603666e36081836204fc36ec9","versionType":"git"},{"version":"a525a3ddeaca69f405d98442ab3c0746e53168dc","status":"affected","lessThan":"3bcc4c2a096e8342c8c719e595ce15de212694dd","versionType":"git"},{"version":"a525a3ddeaca69f405d98442ab3c0746e53168dc","status":"affected","lessThan":"c8c426fae26086a0ca8ab6cc6da2de79810ec038","versionType":"git"},{"version":"a525a3ddeaca69f405d98442ab3c0746e53168dc","status":"affected","lessThan":"699fb50d99039a50e7494de644f96c889279aca3","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/base/core.c","drivers/base/test/platform-device-test.c","drivers/base/test/root-device-test.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.7","versionType":"semver"},{"version":"5.10.258","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.209","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.53","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.4.16","status":"unaffected","lessThanOrEqual":"6.4.*","versionType":"semver"},{"version":"6.5.3","status":"unaffected","lessThanOrEqual":"6.5.*","versionType":"semver"},{"version":"6.6","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/base/core.c","drivers/base/test/platform-device-test.c","drivers/base/test/root-device-test.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/83e2ec36a92432e9445e853c12becbbae353b511"},{"url":"https://git.kernel.org/stable/c/b9ef4b0aa91d2f9f5951faafdbbd47cf01799ec3"},{"url":"https://git.kernel.org/stable/c/297992e5c63528e603666e36081836204fc36ec9"},{"url":"https://git.kernel.org/stable/c/3bcc4c2a096e8342c8c719e595ce15de212694dd"},{"url":"https://git.kernel.org/stable/c/c8c426fae26086a0ca8ab6cc6da2de79810ec038"},{"url":"https://git.kernel.org/stable/c/699fb50d99039a50e7494de644f96c889279aca3"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-06-01T16:04:17.609Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.7","versionEndExcluding":"5.10.258"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.7","versionEndExcluding":"5.15.209"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.7","versionEndExcluding":"6.1.53"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.7","versionEndExcluding":"6.4.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.7","versionEndExcluding":"6.5.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.7","versionEndExcluding":"6.6"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}