{"id":"CVE-2023-53594","state":"PUBLISHED","title":"driver core: fix resource leak in device_add()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndriver core: fix resource leak in device_add()\n\nWhen calling kobject_add() failed in device_add(), it will call\ncleanup_glue_dir() to free resource. But in kobject_add(),\ndev->kobj.parent has been set to NULL. This will cause resource leak.\n\nThe process is as follows:\ndevice_add()\n\tget_device_parent()\n\t\tclass_dir_create_and_add()\n\t\t\tkobject_add()\t\t//kobject_get()\n\t...\n\tdev->kobj.parent = kobj;\n\t...\n\tkobject_add()\t\t//failed, but set dev->kobj.parent = NULL\n\t...\n\tglue_dir = get_glue_dir(dev)\t//glue_dir = NULL, and goto\n\t\t\t\t\t//\"Error\" label\n\t...\n\tcleanup_glue_dir()\t//becaues glue_dir is NULL, not call\n\t\t\t\t//kobject_put()\n\nThe preceding problem may cause insmod mac80211_hwsim.ko to failed.\nsysfs: cannot create duplicate filename '/devices/virtual/mac80211_hwsim'\nCall Trace:\n<TASK>\ndump_stack_lvl+0x8e/0xd1\nsysfs_warn_dup.cold+0x1c/0x29\nsysfs_create_dir_ns+0x224/0x280\nkobject_add_internal+0x2aa/0x880\nkobject_add+0x135/0x1a0\nget_device_parent+0x3d7/0x590\ndevice_add+0x2aa/0x1cb0\ndevice_create_groups_vargs+0x1eb/0x260\ndevice_create+0xdc/0x110\nmac80211_hwsim_new_radio+0x31e/0x4790 [mac80211_hwsim]\ninit_mac80211_hwsim+0x48d/0x1000 [mac80211_hwsim]\ndo_one_initcall+0x10f/0x630\ndo_init_module+0x19f/0x5e0\nload_module+0x64b7/0x6eb0\n__do_sys_finit_module+0x140/0x200\ndo_syscall_64+0x35/0x80\nentry_SYSCALL_64_after_hwframe+0x46/0xb0\n</TASK>\nkobject_add_internal failed for mac80211_hwsim with -EEXIST, don't try to\nregister things with the same name in the same directory.","publishedAt":"2025-10-04T15:44:07.533Z","updatedAt":"2026-05-23T15:29:54.504Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"cebf8fd16900fdfd58c0028617944f808f97fe50","status":"affected","lessThan":"8d389e363075c2e1deb84a560686ea92123e4b8b","versionType":"git"},{"version":"cebf8fd16900fdfd58c0028617944f808f97fe50","status":"affected","lessThan":"d1dbff10c6cd3b43457f3efd3c9c4950009635bf","versionType":"git"},{"version":"cebf8fd16900fdfd58c0028617944f808f97fe50","status":"affected","lessThan":"f39d21154db87545d8f0b25d13c326f37cc32239","versionType":"git"},{"version":"cebf8fd16900fdfd58c0028617944f808f97fe50","status":"affected","lessThan":"6977b1a5d67097eaa4d02b0c126c04cc6e8917c0","versionType":"git"},{"version":"e7f6e3c9db4b6f259c89fd05728d024ab32acd71","status":"affected","versionType":"git"},{"version":"a93a63333dbdb182b87e8cc99df8b4474f867acb","status":"affected","versionType":"git"},{"version":"37de955c11b59050346e530143c20b10b4846527","status":"affected","versionType":"git"},{"version":"645897231f960590220144b06d1f994b7eb88326","status":"affected","versionType":"git"},{"version":"3.10.105","status":"affected","lessThan":"3.11","versionType":"semver"},{"version":"3.12.70","status":"affected","lessThan":"3.13","versionType":"semver"},{"version":"4.4.40","status":"affected","lessThan":"4.5","versionType":"semver"},{"version":"4.8.16","status":"affected","lessThan":"4.9","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/base/core.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.9","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.9","versionType":"semver"},{"version":"5.15.99","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.16","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2.3","status":"unaffected","lessThanOrEqual":"6.2.*","versionType":"semver"},{"version":"6.3","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"]}],"references":["https://git.kernel.org/stable/c/8d389e363075c2e1deb84a560686ea92123e4b8b","https://git.kernel.org/stable/c/d1dbff10c6cd3b43457f3efd3c9c4950009635bf","https://git.kernel.org/stable/c/f39d21154db87545d8f0b25d13c326f37cc32239","https://git.kernel.org/stable/c/6977b1a5d67097eaa4d02b0c126c04cc6e8917c0"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/53xxx/CVE-2023-53594.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53594","state":"PUBLISHED","datePublished":"2025-10-04T15:44:07.533Z","dateUpdated":"2026-05-23T15:29:54.504Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-10-04T15:40:38.478Z"},"containers":{"cna":{"title":"driver core: fix resource leak in device_add()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndriver core: fix resource leak in device_add()\n\nWhen calling kobject_add() failed in device_add(), it will call\ncleanup_glue_dir() to free resource. But in kobject_add(),\ndev->kobj.parent has been set to NULL. This will cause resource leak.\n\nThe process is as follows:\ndevice_add()\n\tget_device_parent()\n\t\tclass_dir_create_and_add()\n\t\t\tkobject_add()\t\t//kobject_get()\n\t...\n\tdev->kobj.parent = kobj;\n\t...\n\tkobject_add()\t\t//failed, but set dev->kobj.parent = NULL\n\t...\n\tglue_dir = get_glue_dir(dev)\t//glue_dir = NULL, and goto\n\t\t\t\t\t//\"Error\" label\n\t...\n\tcleanup_glue_dir()\t//becaues glue_dir is NULL, not call\n\t\t\t\t//kobject_put()\n\nThe preceding problem may cause insmod mac80211_hwsim.ko to failed.\nsysfs: cannot create duplicate filename '/devices/virtual/mac80211_hwsim'\nCall Trace:\n<TASK>\ndump_stack_lvl+0x8e/0xd1\nsysfs_warn_dup.cold+0x1c/0x29\nsysfs_create_dir_ns+0x224/0x280\nkobject_add_internal+0x2aa/0x880\nkobject_add+0x135/0x1a0\nget_device_parent+0x3d7/0x590\ndevice_add+0x2aa/0x1cb0\ndevice_create_groups_vargs+0x1eb/0x260\ndevice_create+0xdc/0x110\nmac80211_hwsim_new_radio+0x31e/0x4790 [mac80211_hwsim]\ninit_mac80211_hwsim+0x48d/0x1000 [mac80211_hwsim]\ndo_one_initcall+0x10f/0x630\ndo_init_module+0x19f/0x5e0\nload_module+0x64b7/0x6eb0\n__do_sys_finit_module+0x140/0x200\ndo_syscall_64+0x35/0x80\nentry_SYSCALL_64_after_hwframe+0x46/0xb0\n</TASK>\nkobject_add_internal failed for mac80211_hwsim with -EEXIST, don't try to\nregister things with the same name in the same directory."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"cebf8fd16900fdfd58c0028617944f808f97fe50","status":"affected","lessThan":"8d389e363075c2e1deb84a560686ea92123e4b8b","versionType":"git"},{"version":"cebf8fd16900fdfd58c0028617944f808f97fe50","status":"affected","lessThan":"d1dbff10c6cd3b43457f3efd3c9c4950009635bf","versionType":"git"},{"version":"cebf8fd16900fdfd58c0028617944f808f97fe50","status":"affected","lessThan":"f39d21154db87545d8f0b25d13c326f37cc32239","versionType":"git"},{"version":"cebf8fd16900fdfd58c0028617944f808f97fe50","status":"affected","lessThan":"6977b1a5d67097eaa4d02b0c126c04cc6e8917c0","versionType":"git"},{"version":"e7f6e3c9db4b6f259c89fd05728d024ab32acd71","status":"affected","versionType":"git"},{"version":"a93a63333dbdb182b87e8cc99df8b4474f867acb","status":"affected","versionType":"git"},{"version":"37de955c11b59050346e530143c20b10b4846527","status":"affected","versionType":"git"},{"version":"645897231f960590220144b06d1f994b7eb88326","status":"affected","versionType":"git"},{"version":"3.10.105","status":"affected","lessThan":"3.11","versionType":"semver"},{"version":"3.12.70","status":"affected","lessThan":"3.13","versionType":"semver"},{"version":"4.4.40","status":"affected","lessThan":"4.5","versionType":"semver"},{"version":"4.8.16","status":"affected","lessThan":"4.9","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/base/core.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.9","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.9","versionType":"semver"},{"version":"5.15.99","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.16","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2.3","status":"unaffected","lessThanOrEqual":"6.2.*","versionType":"semver"},{"version":"6.3","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"]}],"references":[{"url":"https://git.kernel.org/stable/c/8d389e363075c2e1deb84a560686ea92123e4b8b"},{"url":"https://git.kernel.org/stable/c/d1dbff10c6cd3b43457f3efd3c9c4950009635bf"},{"url":"https://git.kernel.org/stable/c/f39d21154db87545d8f0b25d13c326f37cc32239"},{"url":"https://git.kernel.org/stable/c/6977b1a5d67097eaa4d02b0c126c04cc6e8917c0"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-23T15:29:54.504Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"5.15.99"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"6.1.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"6.2.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"6.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10.105"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.12.70"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4.40"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.8.16"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}