CVE-2023-32629

2023-06-0600:00:00

ubuntu.com

vulnerability

ubuntu kernels

local privilege escalation

ovl_copy_up_meta_inode_data

ovl_do_setxattr

cwe-863

wiz research

shir tamari

sagi tzadik

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

0.0004 Low

EPSS

Percentile

5.1%

JSON

Local privilege escalation vulnerability in Ubuntu Kernels overlayfs
ovl_copy_up_meta_inode_data skip permission checks when calling
ovl_do_setxattr on Ubuntu kernels

Notes

Author	Note
eslerm	CWE-863 reported by Shir Tamari and Sagi Tzadik from Wiz Research

OSVersionArchitecturePackageVersionFilename
ubuntu20.04noarchlinux< 5.4.0-155.172UNKNOWN
ubuntu23.04noarchlinux< 6.2.0-26.26UNKNOWN
ubuntu20.04noarchlinux-aws< 5.4.0-1106.114UNKNOWN
ubuntu23.04noarchlinux-aws< 6.2.0-1008.8UNKNOWN
ubuntu22.04noarchlinux-aws-5.19< 5.19.0-1029.30~22.04.1UNKNOWN
ubuntu18.04noarchlinux-aws-5.4< 5.4.0-1106.114~18.04.1UNKNOWN
ubuntu22.04noarchlinux-aws-6.2< 6.2.0-1008.8~22.04.1UNKNOWN
ubuntu20.04noarchlinux-azure< 5.4.0-1112.118UNKNOWN
ubuntu23.04noarchlinux-azure< 6.2.0-1008.8UNKNOWN
ubuntu18.04noarchlinux-azure-5.4< 5.4.0-1112.118~18.04.1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	20.04	noarch	linux	< 5.4.0-155.172	UNKNOWN
ubuntu	23.04	noarch	linux	< 6.2.0-26.26	UNKNOWN
ubuntu	20.04	noarch	linux-aws	< 5.4.0-1106.114	UNKNOWN
ubuntu	23.04	noarch	linux-aws	< 6.2.0-1008.8	UNKNOWN
ubuntu	22.04	noarch	linux-aws-5.19	< 5.19.0-1029.30~22.04.1	UNKNOWN
ubuntu	18.04	noarch	linux-aws-5.4	< 5.4.0-1106.114~18.04.1	UNKNOWN
ubuntu	22.04	noarch	linux-aws-6.2	< 6.2.0-1008.8~22.04.1	UNKNOWN
ubuntu	20.04	noarch	linux-azure	< 5.4.0-1112.118	UNKNOWN
ubuntu	23.04	noarch	linux-azure	< 6.2.0-1008.8	UNKNOWN
ubuntu	18.04	noarch	linux-azure-5.4	< 5.4.0-1112.118~18.04.1	UNKNOWN