{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-05T06:07:01.417","vulnerabilities":[{"cve":{"id":"CVE-2022-50578","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2025-10-22T14:15:42.803","lastModified":"2026-04-15T00:35:42.020","vulnStatus":"Deferred","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nclass: fix possible memory leak in __class_register()\n\nIf class_add_groups() returns error, the 'cp->subsys' need be\nunregister, and the 'cp' need be freed.\n\nWe can not call kset_unregister() here, because the 'cls' will\nbe freed in callback function class_release() and it's also\nfreed in caller's error path, it will cause double free.\n\nSo fix this by calling kobject_del() and kfree_const(name) to\ncleanup kobject. Besides, call kfree() to free the 'cp'.\n\nFault injection test can trigger this:\n\nunreferenced object 0xffff888102fa8190 (size 8):\n  comm \"modprobe\", pid 502, jiffies 4294906074 (age 49.296s)\n  hex dump (first 8 bytes):\n    70 6b 74 63 64 76 64 00                          pktcdvd.\n  backtrace:\n    [<00000000e7c7703d>] __kmalloc_track_caller+0x1ae/0x320\n    [<000000005e4d70bc>] kstrdup+0x3a/0x70\n    [<00000000c2e5e85a>] kstrdup_const+0x68/0x80\n    [<000000000049a8c7>] kvasprintf_const+0x10b/0x190\n    [<0000000029123163>] kobject_set_name_vargs+0x56/0x150\n    [<00000000747219c9>] kobject_set_name+0xab/0xe0\n    [<0000000005f1ea4e>] __class_register+0x15c/0x49a\n\nunreferenced object 0xffff888037274000 (size 1024):\n  comm \"modprobe\", pid 502, jiffies 4294906074 (age 49.296s)\n  hex dump (first 32 bytes):\n    00 40 27 37 80 88 ff ff 00 40 27 37 80 88 ff ff  .@'7.....@'7....\n    00 00 00 00 ad 4e ad de ff ff ff ff 00 00 00 00  .....N..........\n  backtrace:\n    [<00000000151f9600>] kmem_cache_alloc_trace+0x17c/0x2f0\n    [<00000000ecf3dd95>] __class_register+0x86/0x49a"}],"metrics":{},"references":[{"url":"https://git.kernel.org/stable/c/18a7200646958cf8e1b8a933de08122fc50676cd","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/3bb9c92c27624ad076419a70f2b1a30cd1f8bbbd","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/3e0efc3f3f5e5c73996782f8db69963e501bb878","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/417ef049e3fd3b0d2593c1d5ffa3d0d5d0a018a7","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/4efa5443817c1b6de22d401aeca5b2481e835f8c","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/8c3e8a6bdb5253b97ad532570f8b5db5f7a06407","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/abaedb68a769e6bf36836b55a2f49b531c5f3f7b","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/e764ad5918a099ebeb909ccff83893a714e497e1","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}]}}]}