{"id":"CVE-2024-50293","summary":"net/smc: do not leave a dangling sk pointer in __smc_create()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet/smc: do not leave a dangling sk pointer in __smc_create()\n\nThanks to commit 4bbd360a5084 (\"socket: Print pf-\u003ecreate() when\nit does not clear sock-\u003esk on failure.\"), syzbot found an issue with AF_SMC:\n\nsmc_create must clear sock-\u003esk on failure, family: 43, type: 1, protocol: 0\n WARNING: CPU: 0 PID: 5827 at net/socket.c:1565 __sock_create+0x96f/0xa30 net/socket.c:1563\nModules linked in:\nCPU: 0 UID: 0 PID: 5827 Comm: syz-executor259 Not tainted 6.12.0-rc6-next-20241106-syzkaller #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024\n RIP: 0010:__sock_create+0x96f/0xa30 net/socket.c:1563\nCode: 03 00 74 08 4c 89 e7 e8 4f 3b 85 f8 49 8b 34 24 48 c7 c7 40 89 0c 8d 8b 54 24 04 8b 4c 24 0c 44 8b 44 24 08 e8 32 78 db f7 90 \u003c0f\u003e 0b 90 90 e9 d3 fd ff ff 89 e9 80 e1 07 fe c1 38 c1 0f 8c ee f7\nRSP: 0018:ffffc90003e4fda0 EFLAGS: 00010246\nRAX: 099c6f938c7f4700 RBX: 1ffffffff1a595fd RCX: ffff888034823c00\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000\nRBP: 00000000ffffffe9 R08: ffffffff81567052 R09: 1ffff920007c9f50\nR10: dffffc0000000000 R11: fffff520007c9f51 R12: ffffffff8d2cafe8\nR13: 1ffffffff1a595fe R14: ffffffff9a789c40 R15: ffff8880764298c0\nFS:  000055557b518380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007fa62ff43225 CR3: 0000000031628000 CR4: 00000000003526f0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n \u003cTASK\u003e\n  sock_create net/socket.c:1616 [inline]\n  __sys_socket_create net/socket.c:1653 [inline]\n  __sys_socket+0x150/0x3c0 net/socket.c:1700\n  __do_sys_socket net/socket.c:1714 [inline]\n  __se_sys_socket net/socket.c:1712 [inline]\n\nFor reference, see commit 2d859aff775d (\"Merge branch\n'do-not-leave-dangling-sk-pointers-in-pf-create-functions'\")","modified":"2026-03-20T12:38:16.601199Z","published":"2024-11-19T01:30:39.362Z","related":["SUSE-SU-2025:02254-1","SUSE-SU-2025:02307-1","SUSE-SU-2025:02333-1","USN-7276-1","USN-7277-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/50xxx/CVE-2024-50293.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/d293958a8595ba566fb90b99da4d6263e14fee15"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d2cc492124e1f22daa1700f069bcc58788043381"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/50xxx/CVE-2024-50293.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-50293"},{"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":"d25a92ccae6bed02327b63d138e12e7806830f78"},{"fixed":"d2cc492124e1f22daa1700f069bcc58788043381"},{"fixed":"d293958a8595ba566fb90b99da4d6263e14fee15"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2024-50293.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:H/I:H/A:H"}]}