Description (CNA)
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.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Canonical / Ubuntu Kernel | unaffected 0 before 6.2.0-26.26; unaffected 0 before 6.0.0-1020.20; unaffected 0 before 5.4.0-155.172 |
CWE
CWE-863
References
- https://ubuntu.com/security/notices/USN-6250-1
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-2640
- https://wiz.io/blog/ubuntu-overlayfs-vulnerability
- https://lists.ubuntu.com/archives/kernel-team/2023-July/140923.html
ADP enrichment
No English description supplied.
No English description supplied.
No references supplied.