CVE - CVE-2023-2640

CVE-ID
CVE-2023-2640	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
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.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-2640 URL:https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-2640 MISC:https://lists.ubuntu.com/archives/kernel-team/2023-July/140923.html URL:https://lists.ubuntu.com/archives/kernel-team/2023-July/140923.html MISC:https://ubuntu.com/security/notices/USN-6250-1 URL:https://ubuntu.com/security/notices/USN-6250-1 MISC:https://wiz.io/blog/ubuntu-overlayfs-vulnerability URL:https://wiz.io/blog/ubuntu-overlayfs-vulnerability
Assigning CNA
Canonical Ltd.
Date Record Created
20230510	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20230510)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
This is an record on the CVE List, which provides common identifiers for publicly known cybersecurity vulnerabilities.
Search CVE Using Keywords: You can also search by reference using the CVE Reference Maps.
For More Information: CVE Request Web Form (select "Other" from dropdown)