CVE-2023-52436

2024-02-2000:00:00

ubuntu.com

linux kernel

cve-2023-52436

xattr

vulnerability

resolved

f2fs

null-terminate

unused space

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.6 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

JSON

In the Linux kernel, the following vulnerability has been resolved: f2fs:
explicitly null-terminate the xattr list When setting an xattr, explicitly
null-terminate the xattr list. This eliminates the fragile assumption that
the unused xattr space is always zeroed.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux< anyUNKNOWN
ubuntu20.04noarchlinux< 5.4.0-176.196UNKNOWN
ubuntu22.04noarchlinux< 5.15.0-102.112UNKNOWN
ubuntu23.10noarchlinux< 6.5.0-27.28UNKNOWN
ubuntu16.04noarchlinux< anyUNKNOWN
ubuntu20.04noarchlinux-aws< 5.4.0-1122.132UNKNOWN
ubuntu22.04noarchlinux-aws< 5.15.0-1057.63UNKNOWN
ubuntu23.10noarchlinux-aws< 6.5.0-1017.17UNKNOWN
ubuntu20.04noarchlinux-aws-5.15< 5.15.0-1057.63~20.04.1UNKNOWN
ubuntu18.04noarchlinux-aws-5.4< 5.4.0-1122.132~18.04.1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	linux	< any	UNKNOWN
ubuntu	20.04	noarch	linux	< 5.4.0-176.196	UNKNOWN
ubuntu	22.04	noarch	linux	< 5.15.0-102.112	UNKNOWN
ubuntu	23.10	noarch	linux	< 6.5.0-27.28	UNKNOWN
ubuntu	16.04	noarch	linux	< any	UNKNOWN
ubuntu	20.04	noarch	linux-aws	< 5.4.0-1122.132	UNKNOWN
ubuntu	22.04	noarch	linux-aws	< 5.15.0-1057.63	UNKNOWN
ubuntu	23.10	noarch	linux-aws	< 6.5.0-1017.17	UNKNOWN
ubuntu	20.04	noarch	linux-aws-5.15	< 5.15.0-1057.63~20.04.1	UNKNOWN
ubuntu	18.04	noarch	linux-aws-5.4	< 5.4.0-1122.132~18.04.1	UNKNOWN