CVE-2023-32629

HIGH7.8

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

Published Jul 26, 2023

Modified 11 months ago

Details

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

References

WEBhttp://packetstormsecurity.com/files/174577/Kernel-Live-Patch-Security-Notice-LSN-0097-1.html WEBhttps://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-32629 WEBhttps://lists.ubuntu.com/archives/kernel-team/2023-July/140920.html ADVISORYhttps://ubuntu.com/security/notices/USN-6250-1 WEBhttps://wiz.io/blog/ubuntu-overlayfs-vulnerability ADVISORYhttps://www.cve.org/CVERecord?id=CVE-2023-32629

CVSS Analysis

CVSS v3.1

7.8

Exploitability

Attack Vector

LocalAV:L

Attack Complexity

LowAC:L

Privileges Required

LowPR:L

User Interaction

NoneUI:N

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

HighA:H

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

Weakness Type (CWE)

Access Control

CWE-863

Incorrect Authorization

Ecosystems

Timeline

PublishedJul 26, 2023

ModifiedFeb 13, 2025