CVE-2025-38247 userns and mnt_idmap leak in open_tree_attr(2)

In the Linux kernel, the following vulnerability has been resolved: userns and mntidmap leak in opentreeattr2 Once wantmountsetattr has returned a positive, it does require finishmountkattr to release -mntuserns. Failing domountsetattr does not change that. As the result, we can end up leaking...

PT-2024-21517 · Unknown +1 · Util-Linux +1

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A vulnerability has been resolved in the Linux kernel related to the mount setattr function, which had stricter permission checks compared to the legacy do reconfigure mnt and do chang...

CVE-2021-46923

In the Linux kernel, the following vulnerability has been resolved: fs/mountsetattr: always cleanup mountkattr Make sure that finishmountkattr is called after mountkattr was succesfully built in both the success and failure case to prevent leaking any references we took when we built it. We...

DEBIAN-CVE-2021-46923

In the Linux kernel, the following vulnerability has been resolved: fs/mountsetattr: always cleanup mountkattr Make sure that finishmountkattr is called after mountkattr was succesfully built in both the success and failure case to prevent leaking any references we took when we built it. We...

UBUNTU-CVE-2021-46923

In the Linux kernel, the following vulnerability has been resolved: fs/mountsetattr: always cleanup mountkattr Make sure that finishmountkattr is called after mountkattr was succesfully built in both the success and failure case to prevent leaking any references we took when we built it. We...

Linux kernel security vulnerabilities

The Linux kernel is the kernel used by the Linux Foundation's open source operating system Linux. A security vulnerability exists in the Linux kernel, which stems from a leak in fs/mountsetattr...