CVE-2023-32629

State: Published
Severity: 7.8 High
Published: Jul 26, 2023
Updated: Feb 13, 2025
Reserved: Jun 29, 2023

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

Scores

CVSS	Score	Vector	Source
3.1	7.8 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	canonical

Weaknesses

CWE-863

Affected Products

Product	Versions
Ubuntu KernelCanonical	before 6.2.0-26.26Not affected before 6.0.0-1020.20Not affected before 5.4.0-155.172Not affected

References

https://ubuntu.com/security/notices/USN-6250-1vendor-advisory
https://lists.ubuntu.com/archives/kernel-team/2023-July/140920.htmlmailing-list
https://wiz.io/blog/ubuntu-overlayfs-vulnerabilitytechnical-description
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-32629issue-tracking
http://packetstormsecurity.com/files/174577/Kernel-Live-Patch-Security-Notice-LSN-0097-1.html

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