CVE-2023-2163

2023-06-3000:00:00

ubuntu.com

linux kernel

bpf

arbitrary read/write

privilege escalation

container escape

10 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

0.0004 Low

EPSS

Percentile

9.0%

JSON

Incorrect verifier pruning in BPF in Linux Kernel >=5.4 leads to unsafe
code paths being incorrectly marked as safe, resulting in arbitrary
read/write in kernel memory, lateral privilege escalation, and container
escape.

OSVersionArchitecturePackageVersionFilename
ubuntu20.04noarchlinux< 5.4.0-162.179UNKNOWN
ubuntu22.04noarchlinux< 5.15.0-79.86UNKNOWN
ubuntu23.04noarchlinux< 6.2.0-25.25UNKNOWN
ubuntu20.04noarchlinux-aws< 5.4.0-1109.118UNKNOWN
ubuntu22.04noarchlinux-aws< 5.15.0-1042.47UNKNOWN
ubuntu23.04noarchlinux-aws< 6.2.0-1007.7UNKNOWN
ubuntu20.04noarchlinux-aws-5.15< 5.15.0-1041.46~20.04.1UNKNOWN
ubuntu18.04noarchlinux-aws-5.4< 5.4.0-1109.118~18.04.1UNKNOWN
ubuntu22.04noarchlinux-aws-6.2< 6.2.0-1007.7~22.04.1UNKNOWN
ubuntu20.04noarchlinux-azure< 5.4.0-1115.122UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	20.04	noarch	linux	< 5.4.0-162.179	UNKNOWN
ubuntu	22.04	noarch	linux	< 5.15.0-79.86	UNKNOWN
ubuntu	23.04	noarch	linux	< 6.2.0-25.25	UNKNOWN
ubuntu	20.04	noarch	linux-aws	< 5.4.0-1109.118	UNKNOWN
ubuntu	22.04	noarch	linux-aws	< 5.15.0-1042.47	UNKNOWN
ubuntu	23.04	noarch	linux-aws	< 6.2.0-1007.7	UNKNOWN
ubuntu	20.04	noarch	linux-aws-5.15	< 5.15.0-1041.46~20.04.1	UNKNOWN
ubuntu	18.04	noarch	linux-aws-5.4	< 5.4.0-1109.118~18.04.1	UNKNOWN
ubuntu	22.04	noarch	linux-aws-6.2	< 6.2.0-1007.7~22.04.1	UNKNOWN
ubuntu	20.04	noarch	linux-azure	< 5.4.0-1115.122	UNKNOWN