CVE - CVE-2024-50293

CVE-ID
CVE-2024-50293	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
In the Linux kernel, the following vulnerability has been resolved: net/smc: do not leave a dangling sk pointer in __smc_create() Thanks to commit 4bbd360a5084 ("socket: Print pf->create() when it does not clear sock->sk on failure."), syzbot found an issue with AF_SMC: smc_create must clear sock->sk on failure, family: 43, type: 1, protocol: 0 WARNING: CPU: 0 PID: 5827 at net/socket.c:1565 __sock_create+0x96f/0xa30 net/socket.c:1563 Modules linked in: CPU: 0 UID: 0 PID: 5827 Comm: syz-executor259 Not tainted 6.12.0-rc6-next-20241106-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:__sock_create+0x96f/0xa30 net/socket.c:1563 Code: 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 <0f> 0b 90 90 e9 d3 fd ff ff 89 e9 80 e1 07 fe c1 38 c1 0f 8c ee f7 RSP: 0018:ffffc90003e4fda0 EFLAGS: 00010246 RAX: 099c6f938c7f4700 RBX: 1ffffffff1a595fd RCX: ffff888034823c00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00000000ffffffe9 R08: ffffffff81567052 R09: 1ffff920007c9f50 R10: dffffc0000000000 R11: fffff520007c9f51 R12: ffffffff8d2cafe8 R13: 1ffffffff1a595fe R14: ffffffff9a789c40 R15: ffff8880764298c0 FS: 000055557b518380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa62ff43225 CR3: 0000000031628000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> sock_create net/socket.c:1616 [inline] __sys_socket_create net/socket.c:1653 [inline] __sys_socket+0x150/0x3c0 net/socket.c:1700 __do_sys_socket net/socket.c:1714 [inline] __se_sys_socket net/socket.c:1712 [inline] For reference, see commit 2d859aff775d ("Merge branch 'do-not-leave-dangling-sk-pointers-in-pf-create-functions'")
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://git.kernel.org/stable/c/d293958a8595ba566fb90b99da4d6263e14fee15 URL:https://git.kernel.org/stable/c/d293958a8595ba566fb90b99da4d6263e14fee15 MISC:https://git.kernel.org/stable/c/d2cc492124e1f22daa1700f069bcc58788043381 URL:https://git.kernel.org/stable/c/d2cc492124e1f22daa1700f069bcc58788043381
Assigning CNA
kernel.org
Date Record Created
20241021	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20241021)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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