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Status published
High
CVE-2023-32629
Local privilege escalation vulnerability in Ubuntu Kernels overlayfs ovl_copy_up_meta_inode_data skip...
Vulnerability 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
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Shir Tamari
- Sagi Tzadik
References
- https://ubuntu.com/security/notices/USN-6250-1
- https://lists.ubuntu.com/archives/kernel-team/2023-July/140920.html
- https://wiz.io/blog/ubuntu-overlayfs-vulnerability
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-32629
- http://packetstormsecurity.com/files/174577/Kernel-Live-Patch-Security-Notice-LSN-0097-1.html
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Affected Vendor
Canonical
View all reports →Affected Software
Ubuntu Kernel
Vulnerable Versions:
0
Timeline
Official Publish:
July 26th, 2023
Last Modified:
February 13th, 2025
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H