CVE-2023-1382

2023-03-1500:00:00

ubuntu.com

cve-2023-1382

linux kernel

null pointer dereference

data race flaw

tipc protocol

4.7 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.0004 Low

EPSS

Percentile

9.1%

JSON

A data race flaw was found in the Linux kernel, between where con is
allocated and con->sock is set. This issue leads to a NULL pointer
dereference when accessing con->sock->sk in net/tipc/topsrv.c in the tipc
protocol in the Linux kernel.

Bugs

<https://bugzilla.redhat.com/show_bug.cgi?id=2177371>

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux< 4.15.0-224.236UNKNOWN
ubuntu20.04noarchlinux< 5.4.0-144.161UNKNOWN
ubuntu22.04noarchlinux< 5.15.0-67.74UNKNOWN
ubuntu22.10noarchlinux< 5.19.0-35.36UNKNOWN
ubuntu16.04noarchlinux< 4.4.0-253.287UNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1167.180UNKNOWN
ubuntu20.04noarchlinux-aws< 5.4.0-1097.105UNKNOWN
ubuntu22.04noarchlinux-aws< 5.15.0-1031.35UNKNOWN
ubuntu22.10noarchlinux-aws< 5.19.0-1020.21UNKNOWN
ubuntu14.04noarchlinux-aws< 4.4.0-1130.136UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	linux	< 4.15.0-224.236	UNKNOWN
ubuntu	20.04	noarch	linux	< 5.4.0-144.161	UNKNOWN
ubuntu	22.04	noarch	linux	< 5.15.0-67.74	UNKNOWN
ubuntu	22.10	noarch	linux	< 5.19.0-35.36	UNKNOWN
ubuntu	16.04	noarch	linux	< 4.4.0-253.287	UNKNOWN
ubuntu	18.04	noarch	linux-aws	< 4.15.0-1167.180	UNKNOWN
ubuntu	20.04	noarch	linux-aws	< 5.4.0-1097.105	UNKNOWN
ubuntu	22.04	noarch	linux-aws	< 5.15.0-1031.35	UNKNOWN
ubuntu	22.10	noarch	linux-aws	< 5.19.0-1020.21	UNKNOWN
ubuntu	14.04	noarch	linux-aws	< 4.4.0-1130.136	UNKNOWN