EUVD-2026-77528

Description The setuid-root worker-launcher binary adjusts ownership and permissions of worker directories by walking the tree with FTS and calling lchown and chmod on each entry's full pathname while running with an effective uid of 0. Both syscalls re-resolve the path at the time of the call,...

PT-2026-91227

Description The setuid-root worker-launcher binary adjusts ownership and permissions of worker directories by walking the tree with FTS and calling lchown and chmod on each entry's full pathname while running with an effective uid of 0. Both syscalls re-resolve the path at the time of the call,...

DEBIAN-CVE-2026-11837

A local privilege escalation vulnerability was found in the ansible.posix authorizedkey module. The module's keyfile function uses os.chown instead of os.lchown and opens files without ONOFOLLOW when managing SSH authorized keys. An unprivileged local user can pre-stage symbolic links in their...

CVE-2026-11837 Ansible-collection-ansible-posix: ansible.posix authorized_key: local privilege escalation via symlink-following chown

A local privilege escalation vulnerability was found in the ansible.posix authorizedkey module. The module's keyfile function uses os.chown instead of os.lchown and opens files without ONOFOLLOW when managing SSH authorized keys. An unprivileged local user can pre-stage symbolic links in their...

CVE-2026-11837

A local privilege escalation vulnerability was found in the ansible.posix authorizedkey module. The module's keyfile function uses os.chown instead of os.lchown and opens files without ONOFOLLOW when managing SSH authorized keys. An unprivileged local user can pre-stage symbolic links in their...

Symlink Race Attacks

github.com/rfjakob/gocryptfs is vulnerable to symlink race attacks. It is possible because it adopts chown instead of Lchown in creating and setting the ownership of file system and directory...

[SECURITY] New version of dump released.

The version of dump that was distributed with Debian GNU/Linux 2.1 suffers from a problem with restoring symbolic links. This has been fixed in version 0.4b9-0slink1. We recommend you upgrade your dump package immediately. This version "Uses lchown instead of chown, fixing a possible security...