CVE-2023-26545

2023-02-2500:00:00

ubuntu.com

cve-2023-26545

allocation failure

sysctl table

device renaming

unix

CVSS3

4.7

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

EPSS

Percentile

14.2%

JSON

In the Linux kernel before 6.1.13, there is a double free in
net/mpls/af_mpls.c upon an allocation failure (for registering the sysctl
table under a new location) during the renaming of a device.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux< 4.15.0-209.220UNKNOWN
ubuntu20.04noarchlinux< 5.4.0-147.164UNKNOWN
ubuntu22.04noarchlinux< 5.15.0-70.77UNKNOWN
ubuntu22.10noarchlinux< 5.19.0-40.41UNKNOWN
ubuntu16.04noarchlinux< 4.4.0-239.273UNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1154.167UNKNOWN
ubuntu20.04noarchlinux-aws< 5.4.0-1100.108UNKNOWN
ubuntu22.04noarchlinux-aws< 5.15.0-1034.38UNKNOWN
ubuntu22.10noarchlinux-aws< 5.19.0-1023.24UNKNOWN
ubuntu14.04noarchlinux-aws< 4.4.0-1117.123UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	linux	< 4.15.0-209.220	UNKNOWN
ubuntu	20.04	noarch	linux	< 5.4.0-147.164	UNKNOWN
ubuntu	22.04	noarch	linux	< 5.15.0-70.77	UNKNOWN
ubuntu	22.10	noarch	linux	< 5.19.0-40.41	UNKNOWN
ubuntu	16.04	noarch	linux	< 4.4.0-239.273	UNKNOWN
ubuntu	18.04	noarch	linux-aws	< 4.15.0-1154.167	UNKNOWN
ubuntu	20.04	noarch	linux-aws	< 5.4.0-1100.108	UNKNOWN
ubuntu	22.04	noarch	linux-aws	< 5.15.0-1034.38	UNKNOWN
ubuntu	22.10	noarch	linux-aws	< 5.19.0-1023.24	UNKNOWN
ubuntu	14.04	noarch	linux-aws	< 4.4.0-1117.123	UNKNOWN