{"id":"CVE-2022-49925","summary":"RDMA/core: Fix null-ptr-deref in ib_core_cleanup()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/core: Fix null-ptr-deref in ib_core_cleanup()\n\nKASAN reported a null-ptr-deref error:\n\n  KASAN: null-ptr-deref in range [0x0000000000000118-0x000000000000011f]\n  CPU: 1 PID: 379\n  Hardware name: QEMU Standard PC (i440FX + PIIX, 1996)\n  RIP: 0010:destroy_workqueue+0x2f/0x740\n  RSP: 0018:ffff888016137df8 EFLAGS: 00000202\n  ...\n  Call Trace:\n   ib_core_cleanup+0xa/0xa1 [ib_core]\n   __do_sys_delete_module.constprop.0+0x34f/0x5b0\n   do_syscall_64+0x3a/0x90\n   entry_SYSCALL_64_after_hwframe+0x63/0xcd\n  RIP: 0033:0x7fa1a0d221b7\n  ...\n\nIt is because the fail of roce_gid_mgmt_init() is ignored:\n\n ib_core_init()\n   roce_gid_mgmt_init()\n     gid_cache_wq = alloc_ordered_workqueue # fail\n ...\n ib_core_cleanup()\n   roce_gid_mgmt_cleanup()\n     destroy_workqueue(gid_cache_wq)\n     # destroy an unallocated wq\n\nFix this by catching the fail of roce_gid_mgmt_init() in ib_core_init().","modified":"2026-04-03T13:14:50.545934Z","published":"2025-05-01T14:11:03.960Z","related":["SUSE-SU-2025:01918-1","SUSE-SU-2025:01966-1","SUSE-SU-2025:01983-1","SUSE-SU-2025:02173-1","SUSE-SU-2025:02262-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49925.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/07c0d131cc0fe1f3981a42958fc52d573d303d89"},{"type":"WEB","url":"https://git.kernel.org/stable/c/6b3d5dcb12347f3518308c2c9d2cf72453a3e1e5"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ab817f75e5e0fa58d9be0825da6a7b7d8a1fa1d9"},{"type":"WEB","url":"https://git.kernel.org/stable/c/af8fb5a0600e9ae29950e9422a032c3c22649ee5"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d360e875c011a005628525bf290322058927e7dc"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49925.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-49925"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"03db3a2d81e6e84f3ed3cb9e087cae17d762642b"},{"fixed":"af8fb5a0600e9ae29950e9422a032c3c22649ee5"},{"fixed":"d360e875c011a005628525bf290322058927e7dc"},{"fixed":"6b3d5dcb12347f3518308c2c9d2cf72453a3e1e5"},{"fixed":"ab817f75e5e0fa58d9be0825da6a7b7d8a1fa1d9"},{"fixed":"07c0d131cc0fe1f3981a42958fc52d573d303d89"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49925.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}