Linux LSM POSIX Lock Use-After-Free

An LSM can prevent the fcntl/close race cleanup path in fcntlsetlk from working, leading to use-after-free read in lockgetstatus when reading /proc/locks...

Linux fcntl_setlk() Data Compromise

The vulnerability of the fcntlsetlk function in the fs/locks.c module of the Linux operating system is related to the reutilization of previously freed memory. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility of the protected...

Linux Kernel Security Vulnerabilities

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 originates in the filelock module, where the fcntlsetlk function, when competing with the close function, removes the created lock using the...

PT-2024-6398

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The issue is related to a race condition between fcntl setlk and close in the Linux kernel, which can lead to use-after-free reads when userspace reads /proc/locks. This can potentially...

SUSE: Security Advisory (SUSE-SU-2019:14157-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...