CVE-2023-2640

CVSS V2 None CVSS V3 None

Description

On Ubuntu kernels carrying both c914c0e27eb0 and "UBUNTU: SAUCE: overlayfs: Skip permission checking for trusted.overlayfs.* xattrs", an unprivileged user may set privileged extended attributes on the mounted files, leading them to be set on the upper files without the appropriate security checks.

Overview

CVE ID
CVE-2023-2640

Assigner
canonical

Vulnerability Status
PUBLISHED

Published Version
2023-07-26T01:59:23.543Z

Last Modified Date
2023-07-26T01:59:23.543Z

Weakness Enumerations

CWE	URL
CWE-863	http://cwe.mitre.org/data/definitions/863.html

References

Reference URL	Reference Tags
https://ubuntu.com/security/notices/USN-6250-1	vendor-advisory
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-2640	issue-tracking
https://wiz.io/blog/ubuntu-overlayfs-vulnerability	technical-description
https://lists.ubuntu.com/archives/kernel-team/2023-July/140923.html	mailing-list

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2023-2640
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-2640

History

Created	Old Value	New Value	Data Type	Notes
2024-06-24 21:52:47				Added to TrackCVE