{"cve":"CVE-2022-50885","nvd":{"published":"2025-12-30T13:16:03.603","modified":"2026-10-15T22:17:34.790","status":"Deferred","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/rxe: Fix NULL-ptr-deref in rxe_qp_do_cleanup() when socket create failed\n\nThere is a null-ptr-deref when mount.cifs over rdma:\n\n  BUG: KASAN: null-ptr-deref in rxe_qp_do_cleanup+0x2f3/0x360 [rdma_rxe]\n  Read of size 8 at addr 0000000000000018 by task mount.cifs/3046\n\n  CPU: 2 PID: 3046 Comm: mount.cifs Not tainted 6.1.0-rc5+ #62\n  Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.14.0-1.fc3\n  Call Trace:\n   <TASK>\n   dump_stack_lvl+0x34/0x44\n   kasan_report+0xad/0x130\n   rxe_qp_do_cleanup+0x2f3/0x360 [rdma_rxe]\n   execute_in_process_context+0x25/0x90\n   __rxe_cleanup+0x101/0x1d0 [rdma_rxe]\n   rxe_create_qp+0x16a/0x180 [rdma_rxe]\n   create_qp.part.0+0x27d/0x340\n   ib_create_qp_kernel+0x73/0x160\n   rdma_create_qp+0x100/0x230\n   _smbd_get_connection+0x752/0x20f0\n   smbd_get_connection+0x21/0x40\n   cifs_get_tcp_session+0x8ef/0xda0\n   mount_get_conns+0x60/0x750\n   cifs_mount+0x103/0xd00\n   cifs_smb3_do_mount+0x1dd/0xcb0\n   smb3_get_tree+0x1d5/0x300\n   vfs_get_tree+0x41/0xf0\n   path_mount+0x9b3/0xdd0\n   __x64_sys_mount+0x190/0x1d0\n   do_syscall_64+0x35/0x80\n   entry_SYSCALL_64_after_hwframe+0x46/0xb0\n\nThe root cause of the issue is the socket create failed in\nrxe_qp_init_req().\n\nSo move the reset rxe_qp_do_cleanup() after the NULL ptr check.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":[],"references":["https://git.kernel.org/stable/c/5b924632d84a60bc0c7fe6e9bbbce99d03908957","https://git.kernel.org/stable/c/6bb5a62bfd624039b05157745c234068508393a9","https://git.kernel.org/stable/c/7340ca9f782be6fbe3f64a134dc112772764f766","https://git.kernel.org/stable/c/821f9a18210f6b9fd6792471714c799607b25db4","https://git.kernel.org/stable/c/bd7106a6004f1077a365ca7f5a99c7a708e20714"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:18:08.089039631+00:00"},"epss":{"cve":"CVE-2022-50885","score":0.006,"percentile":0.48433,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}