CVE-2024-41001

Technical Description

In the Linux kernel, the following vulnerability has been resolved:

io_uring/sqpoll: work around a potential audit memory leak

kmemleak complains that there's a memory leak related to connect

handling:

unreferenced object 0xffff0001093bdf00 (size 128):

comm "iou-sqp-455", pid 457, jiffies 4294894164

hex dump (first 32 bytes):

02 00 fa ea 7f 00 00 01 00 00 00 00 00 00 00 00 ................

00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................

backtrace (crc 2e481b1a):

[<00000000c0a26af4>] kmemleak_alloc+0x30/0x38

[<000000009c30bb45>] kmalloc_trace+0x228/0x358

[<000000009da9d39f>] __audit_sockaddr+0xd0/0x138

[<0000000089a93e34>] move_addr_to_kernel+0x1a0/0x1f8

[<000000000b4e80e6>] io_connect_prep+0x1ec/0x2d4

[<00000000abfbcd99>] io_submit_sqes+0x588/0x1e48

[<00000000e7c25e07>] io_sq_thread+0x8a4/0x10e4

[<00000000d999b491>] ret_from_fork+0x10/0x20

which can can happen if:

1) The command type does something on the prep side that triggers an

audit call.

2) The thread h

Remediation

Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected Products

References