CVE-2023-32629

A flaw was found in the Linux Kernel where the OverlayFS implementation in the Ubuntu Linux kernel did not properly perform permission checks in certain situations. This flaw allows a local attacker to gain elevated privileges due to skipped permission in checking for trusted.overlayfs.* xattrs (CVE-2023-2640). There is a similar local privilege escalation vulnerability in Ubuntu Kernels overlayfs ovl_copy_up_meta_inode_data due to skipped permission checks when calling ovl_do_setxattr on Ubuntu kernels (CVE-2023-32629).

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.