CVE-2026-89438

A flaw was found in the Linux kernel, specifically within the Intel Speed Select Technology ISST component. This vulnerability arises from insufficient validation of input values, such as logical CPU ID and CLOS ID, used in the core power feature. A local attacker could exploit this by providing...

CVE-2026-80663

A flaw was found in the Linux kernel's Intel Speed Select daemon. A local unprivileged user can exploit a symlink vulnerability in the daemon's pidfile handling. By pre-creating a symbolic link at the fixed pidfile path under /tmp, the attacker can cause the root-run daemon instance to write into...

Linux Distros Unpatched Vulnerability : CVE-2026-80663

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - tools/power/x86/intel-speed-select: Harden daemon pidfile open Avoid symlink-based pidfile clobbering by opening the pidfile with ONOFOLLOW and validating it wi...

SUSE CVE-2026-80663

In the Linux kernel, the following vulnerability has been resolved: tools/power/x86/intel-speed-select: Harden daemon pidfile open Avoid symlink-based pidfile clobbering by opening the pidfile with ONOFOLLOW and validating it with fstat before locking/writing. The daemon currently uses a fixed...

CVE-2026-80663

In the Linux kernel, the following vulnerability has been resolved: tools/power/x86/intel-speed-select: Harden daemon pidfile open Avoid symlink-based pidfile clobbering by opening the pidfile with ONOFOLLOW and validating it with fstat before locking/writing. The daemon currently uses a fixed...

CVE-2026-80663

In the Linux kernel, the following vulnerability has been resolved: tools/power/x86/intel-speed-select: Harden daemon pidfile open Avoid symlink-based pidfile clobbering by opening the pidfile with ONOFOLLOW and validating it with fstat before locking/writing. The daemon currently uses a fixed...

UBUNTU-CVE-2026-80663

In the Linux kernel, the following vulnerability has been resolved: tools/power/x86/intel-speed-select: Harden daemon pidfile open Avoid symlink-based pidfile clobbering by opening the pidfile with ONOFOLLOW and validating it with fstat before locking/writing. The daemon currently uses a fixed...

CVE-2026-80663 tools/power/x86/intel-speed-select: Harden daemon pidfile open

In the Linux kernel, the following vulnerability has been resolved: tools/power/x86/intel-speed-select: Harden daemon pidfile open Avoid symlink-based pidfile clobbering by opening the pidfile with ONOFOLLOW and validating it with fstat before locking/writing. The daemon currently uses a fixed...

CVE-2026-80663

In the Linux kernel, the following vulnerability has been resolved: tools/power/x86/intel-speed-select: Harden daemon pidfile open Avoid symlink-based pidfile clobbering by opening the pidfile with ONOFOLLOW and validating it with fstat before locking/writing. The daemon currently uses a fixed...

EUVD-2026-67539

In the Linux kernel, the following vulnerability has been resolved: tools/power/x86/intel-speed-select: Harden daemon pidfile open Avoid symlink-based pidfile clobbering by opening the pidfile with ONOFOLLOW and validating it with fstat before locking/writing. The daemon currently uses a fixed...

CVE-2026-80663 tools/power/x86/intel-speed-select: Harden daemon pidfile open

In the Linux kernel, the following vulnerability has been resolved: tools/power/x86/intel-speed-select: Harden daemon pidfile open Avoid symlink-based pidfile clobbering by opening the pidfile with ONOFOLLOW and validating it with fstat before locking/writing. The daemon currently uses a fixed...

CVE-2026-80663

CVE-2026-80663 affects the Linux kernel's tools/power/x86/intel-speed-select daemon. The vulnerability is a symlink-based pidfile clobbering flaw: the daemon uses a fixed pidfile path under /tmp and opens it without O_NOFOLLOW, allowing a local unprivileged user to pre-create a symlink at that pa...

CVE-2026-80663: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: tools/power/x86/intel-speed-select: Harden daemon pidfile open Avoid symlink-based pidfile clobbering by opening the pidfile with ONOFOLLOW and validating it with fstat before locking/writing. The daemon currently uses a fixed...

PT-2026-82963

In the Linux kernel, the following vulnerability has been resolved: tools/power/x86/intel-speed-select: Harden daemon pidfile open Avoid symlink-based pidfile clobbering by opening the pidfile with O NOFOLLOW and validating it with fstat before locking/writing. The daemon currently uses a fixed...

CVE-2026-72143

A flaw was found in the Linux kernel's Intel Speed Select Technology ISST power management component for x86 platforms. When a system resumes from suspend, the SST-PP control settings for all power domains are not fully restored, affecting only power domain 0. This occurs due to an incorrect base...

The vulnerability of the _isst_if_getpci_dev() function (drivers/platform/x86/intel/speed_select_if/isst_if_common.c) in the Linux operating system’s kernel allows a attacker to cause a service failure.

The vulnerability of the isstifgetpcidev function drivers/platform/x86/intel/speedselectif/isstifcommon.c in the Linux kernel is related to reading beyond the buffer boundaries in memory. Exploiting this vulnerability could allow an attacker to cause a service failure...

Important: Red Hat Security Advisory: kernel security, bug fix, and enhancement update

An update for kernel is now available for Red Hat Enterprise Linux 8.8 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...