CVE-2024-49988

ksmbd: add refcnt to ksmbd_conn struct

CVE-2024-49988 is fixed in linux on 1 platform, first by DEBIAN-CVE-2024-49988, released October 21, 2024. It is not reported as exploited. Patch Radar priority: Routine.

Routine

CVSS

5.5

Moderate

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0062

49th percentile

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.

Where it's fixed

Product	Fixed in	Fix	Released
Linux
linux · Debian 13.5 (trixie)	6.11.4-1	DEBIAN-CVE-2024-49988	Oct 21, 2024
linux · Debian 14	6.11.4-1	DEBIAN-CVE-2024-49988	Oct 21, 2024

Details

Published
October 21, 2024
Weakness
Use After Free
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-49988

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