CVE-2023-4385

2023-08-1600:00:00

ubuntu.com

cve-2023-4385

dbfree

jfs

linux kernel

local attacker

sanity check

bugzilla

red hat

suse

unix

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 NULL pointer dereference flaw was found in dbFree in fs/jfs/jfs_dmap.c in
the journaling file system (JFS) in the Linux Kernel. This issue may allow
a local attacker to crash the system due to a missing sanity check.

Bugs

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux< anyUNKNOWN
ubuntu20.04noarchlinux< 5.4.0-126.142UNKNOWN
ubuntu22.04noarchlinux< 5.15.0-47.51UNKNOWN
ubuntu16.04noarchlinux< 4.4.0-245.279UNKNOWN
ubuntu18.04noarchlinux-aws< anyUNKNOWN
ubuntu20.04noarchlinux-aws< 5.4.0-1085.92UNKNOWN
ubuntu22.04noarchlinux-aws< 5.15.0-1019.23UNKNOWN
ubuntu14.04noarchlinux-aws< 4.4.0-1123.129UNKNOWN
ubuntu16.04noarchlinux-aws< 4.4.0-1161.176UNKNOWN
ubuntu20.04noarchlinux-aws-5.15< 5.15.0-1019.23~20.04.1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	linux	< any	UNKNOWN
ubuntu	20.04	noarch	linux	< 5.4.0-126.142	UNKNOWN
ubuntu	22.04	noarch	linux	< 5.15.0-47.51	UNKNOWN
ubuntu	16.04	noarch	linux	< 4.4.0-245.279	UNKNOWN
ubuntu	18.04	noarch	linux-aws	< any	UNKNOWN
ubuntu	20.04	noarch	linux-aws	< 5.4.0-1085.92	UNKNOWN
ubuntu	22.04	noarch	linux-aws	< 5.15.0-1019.23	UNKNOWN
ubuntu	14.04	noarch	linux-aws	< 4.4.0-1123.129	UNKNOWN
ubuntu	16.04	noarch	linux-aws	< 4.4.0-1161.176	UNKNOWN
ubuntu	20.04	noarch	linux-aws-5.15	< 5.15.0-1019.23~20.04.1	UNKNOWN