CVE-2023-3772

2023-07-2500:00:00

ubuntu.com

linux kernel

ip framework

cap_net_admin

kernel crash

xfrm subsystem

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.0004 Low

EPSS

Percentile

5.1%

JSON

A flaw was found in the Linux kernel’s IP framework for transforming
packets (XFRM subsystem). This issue may allow a malicious user with
CAP_NET_ADMIN privileges to directly dereference a NULL pointer in
xfrm_update_ae_params(), leading to a possible kernel crash and denial of
service.

Bugs

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux< 4.15.0-219.230UNKNOWN
ubuntu20.04noarchlinux< 5.4.0-166.183UNKNOWN
ubuntu22.04noarchlinux< 5.15.0-88.98UNKNOWN
ubuntu23.04noarchlinux< 6.2.0-36.37UNKNOWN
ubuntu16.04noarchlinux< 4.4.0-246.280UNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1162.175UNKNOWN
ubuntu20.04noarchlinux-aws< 5.4.0-1113.123UNKNOWN
ubuntu22.04noarchlinux-aws< 5.15.0-1049.54UNKNOWN
ubuntu23.04noarchlinux-aws< 6.2.0-1015.15UNKNOWN
ubuntu14.04noarchlinux-aws< 4.4.0-1124.130UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	linux	< 4.15.0-219.230	UNKNOWN
ubuntu	20.04	noarch	linux	< 5.4.0-166.183	UNKNOWN
ubuntu	22.04	noarch	linux	< 5.15.0-88.98	UNKNOWN
ubuntu	23.04	noarch	linux	< 6.2.0-36.37	UNKNOWN
ubuntu	16.04	noarch	linux	< 4.4.0-246.280	UNKNOWN
ubuntu	18.04	noarch	linux-aws	< 4.15.0-1162.175	UNKNOWN
ubuntu	20.04	noarch	linux-aws	< 5.4.0-1113.123	UNKNOWN
ubuntu	22.04	noarch	linux-aws	< 5.15.0-1049.54	UNKNOWN
ubuntu	23.04	noarch	linux-aws	< 6.2.0-1015.15	UNKNOWN
ubuntu	14.04	noarch	linux-aws	< 4.4.0-1124.130	UNKNOWN