CVE-2023-28327

Published: Apr 19, 2023Modified: Mar 19, 2025

5.5

Vector

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

Exploitability: 1.8 / Impact: 3.6

Source: NVD

Description

A NULL pointer dereference flaw was found in the UNIX protocol in net/unix/diag.c In unix_diag_get_exact in the Linux Kernel. The newly allocated skb does not have sk, leading to a NULL pointer. This flaw allows a local user to crash or potentially cause a denial of service.

Affected (3)

Products: Linux: Linux Kernel · Redhat: Enterprise Linux

1 product

1 product

Enterprise Linux

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Linux Linux Kernel	Before 6.0

Configuration B

2 vulnerable

Vulnerable Software	Affected Versions
Redhat Enterprise Linux	Version 8.0
Redhat Enterprise Linux	Version 9.0

Related CWEs

NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

References (2)

https://bugzilla.redhat.com/show_bug.cgi?id=2177382

Source: secalert@redhat.com

Issue TrackingPatch

https://bugzilla.redhat.com/show_bug.cgi?id=2177382

Source: af854a3a-2127-422b-91ae-364da2661108

Issue TrackingPatch

Timeline

No history available yet.