CVE-2023-32629

Published: Jul 26, 2023

Modified: Feb 13, 2025

PUBLISHED

CVSS v3.1

7.8

HIGH

Description

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

Vendor	Product	Versions
Canonical	Ubuntu Kernel	unaffected `0 - < 6.2.0-26.26` unaffected `0 - < 6.0.0-1020.20` unaffected `0 - < 5.4.0-155.172`

Weaknesses (CWE)

CWE-863

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

References

https://ubuntu.com/security/notices/USN-6250-1

vendor-advisory

https://lists.ubuntu.com/archives/kernel-team/2023-July/140920.html

mailing-list

https://wiz.io/blog/ubuntu-overlayfs-vulnerability

technical-description

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-32629

issue-tracking

http://packetstormsecurity.com/files/174577/Kernel-Live-Patch-Security-Notice-LSN-0097-1.html

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CVE-2023-32629

Description

Affected Products

Weaknesses (CWE)

CVSS v3.1 Details

References