CVE-2023-28327

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.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://bugzilla.redhat.com/show_bug.cgi?id=2177382	Issue Tracking Patch
https://bugzilla.redhat.com/show_bug.cgi?id=2177382	Issue Tracking Patch

Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:redhat:enterprise_linux:8.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux:9.0:::::::*

History

21 Nov 2024, 07:54

Type	Values Removed	Values Added
References	~~() https://bugzilla.redhat.com/show_bug.cgi?id=2177382 - Issue Tracking, Patch~~	() https://bugzilla.redhat.com/show_bug.cgi?id=2177382 - Issue Tracking, Patch

29 Apr 2023, 03:12

Type	Values Removed	Values Added
First Time		Redhat enterprise Linux Linux Linux linux Kernel Redhat
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 5.5
CPE		cpe:2.3:o:redhat:enterprise_linux:9.0:::::::* cpe:2.3:o:redhat:enterprise_linux:8.0:::::::* cpe:2.3:o:linux:linux_kernel::::::::
CWE		CWE-476
References	~~(MISC) https://bugzilla.redhat.com/show_bug.cgi?id=2177382 -~~	(MISC) https://bugzilla.redhat.com/show_bug.cgi?id=2177382 - Issue Tracking, Patch

19 Apr 2023, 23:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2023-04-19 23:15

Updated : 2025-03-19 16:15

NVD link : CVE-2023-28327

Mitre link : CVE-2023-28327

CVE.ORG link : CVE-2023-28327

JSON object : View

Products Affected

redhat

enterprise_linux

linux

linux_kernel

CWE

CWE-476

NULL Pointer Dereference

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