CVE-2024-49988

MEDIUM

Linux Kernel < 6.6.55, 6.7.0-6.10.14, 6.11.0-6.11.3 - Use-After-Free in ksmbd_conn

Title source: llm

Description

In the Linux kernel, the following vulnerability has been resolved: ksmbd: add refcnt to ksmbd_conn struct When sending an oplock break request, opinfo->conn is used, But freed ->conn can be used on multichannel. This patch add a reference count to the ksmbd_conn struct so that it can be freed when it is no longer used.

References (4)

Core 4

Core References

Patch

https://git.kernel.org/stable/c/18f06bacc197d4ac9b518ad1c69999bc3d83e7aa

Patch

https://git.kernel.org/stable/c/9fd3cde4628bcd3549ab95061f2bab74d2ed4f3b

Patch

https://git.kernel.org/stable/c/e9dac92f4482a382e8c0fe1bc243da5fc3526b0c

Patch

https://git.kernel.org/stable/c/ee426bfb9d09b29987369b897fe9b6485ac2be27

Scores

CVSS v3 5.5

EPSS 0.0024

EPSS Percentile 14.3%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-416

Status published

Products (14)

linux/Kernel 5.15.0 - 6.6.55linux

linux/Kernel 6.11.0 - 6.11.3linux

linux/Kernel 6.7.0 - 6.10.14linux

Linux/Linux < 5.15

Linux/Linux 0626e6641f6b467447c81dd7678a69c66f7746cf - 18f06bacc197d4ac9b518ad1c69999bc3d83e7aa

Linux/Linux 0626e6641f6b467447c81dd7678a69c66f7746cf - 9fd3cde4628bcd3549ab95061f2bab74d2ed4f3b

Linux/Linux 0626e6641f6b467447c81dd7678a69c66f7746cf - e9dac92f4482a382e8c0fe1bc243da5fc3526b0c

Linux/Linux 0626e6641f6b467447c81dd7678a69c66f7746cf - ee426bfb9d09b29987369b897fe9b6485ac2be27

Linux/Linux 5.15

Linux/Linux 6.10.14 - 6.10.*

... and 4 more

Published Oct 21, 2024

Tracked Since Feb 18, 2026