Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: opentreeattr: Do not allow id-mapping changes without OPENTREECLONE. As described in commit 7a54947e727b Merge patch series “fs: allow changing idmappings”, opentreeattr2 was necessary to allow for a detached mount to be created...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: A leak of userns and mntidmap occurs in opentreeattr2. Once the wantmountsetattr function returns a positive value, it still requires finishmountkattr to release -mntuserns. If domountsetattr fails, it does not change this...

UBUNTU-CVE-2025-39717

In the Linux kernel, the following vulnerability has been resolved: opentreeattr: do not allow id-mapping changes without OPENTREECLONE As described in commit 7a54947e727b 'Merge patch series "fs: allow changing idmappings"', opentreeattr2 was necessary in order to allow for a detached mount to b...

Vulnerability of the open_tree_attr() function (fs/namespace.c) in Linux kernel, allowing a hacker to trigger a service failure

The vulnerability of the opentreeattr function fs/namespace.c in the Linux operating system kernel is related to the lack of memory release after the effective lifespan of the function has ended. Exploiting this vulnerability could allow an attacker to cause a service failure...

SUSE CVE-2025-38247

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...

CVE-2025-38247

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...

UBUNTU-CVE-2025-38247

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...

CVE-2025-38247

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...