kernel: perf: Fix perf_pending_task() UaF

A use-after-free vulnerability was found in the Linux kernel. It is possible for perfpendingtask to run after the event is free, resulting in a loss of system availability...

PT-2025-18851 · Linux +2 · Linux Kernel +2

Name of the Vulnerable Software and Affected Versions: Linux kernel versions 5.4 through 5.5 Description: A vulnerability in the Linux kernel has been resolved, related to the misuse of non-idle barriers as fence trackers. The issue was caused by a race condition in the barrier processing code,...

PT-2025-18837 · Linux +2 · Linux Kernel +2

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A vulnerability in the Linux kernel has been resolved. The issue is related to the perf/x86/amd/core component, where the status variable, containing unhandled overflow bits, is not...

Fedora: Security Advisory for llvm-bolt (FEDORA-2023-67f0f8d186)

The remote host is missing an update for the SPDX-FileCopyrightText: 2023 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...

[SECURITY] Fedora 39 Update: llvm-bolt-17.0.2-1.fc39

BOLT is a post-link optimizer developed to speed up large applications. It achieves the improvements by optimizing application's code layout based on execution profile gathered by sampling profiler, such as Linux perf tool...

The vulnerability of the __perf_read_group_add() function in the kernel/events/core.c file of the Linux operating system allows a attacker to compromise the confidentiality, integrity, and accessibility of protected information, or to enhance their privileges.

The vulnerability of the perfreadgroupadd function in the kernel/events/core.c module of the Linux operating system is related to writing beyond the allocated buffer. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility of protected...

Linux Kernel Local Elevation of Privilege Vulnerability (CNVD-2024-02204)

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A local elevation of privilege vulnerability exists in the Linux Kernel. The vulnerability exists in the 'perf' component, where the perfreadgroup function is called when the...

DEBIAN-CVE-2023-5717

A heap out-of-bounds write vulnerability in the Linux kernel's Linux Kernel Performance Events perf component can be exploited to achieve local privilege escalation. If perfreadgroup is called while an event's siblinglist is smaller than its child's siblinglist, it can increment or write to memor...

AZL-31814 CVE-2023-5717 affecting package hyperv-daemons for versions less than 5.15.137.1-1

A heap out-of-bounds write vulnerability in the Linux kernel's Linux Kernel Performance Events perf component can be exploited to achieve local privilege escalation. If perfreadgroup is called while an event's siblinglist is smaller than its child's siblinglist, it can increment or write to memor...

AZL-31774 CVE-2023-5717 affecting package kernel for versions less than 5.15.137.1-1

A heap out-of-bounds write vulnerability in the Linux kernel's Linux Kernel Performance Events perf component can be exploited to achieve local privilege escalation. If perfreadgroup is called while an event's siblinglist is smaller than its child's siblinglist, it can increment or write to memor...

Heap overflow

A heap out-of-bounds write vulnerability in the Linux kernel's Linux Kernel Performance Events perf component can be exploited to achieve local privilege escalation. If perfreadgroup is called while an event's siblinglist is smaller than its child's siblinglist, it can increment or write to memor...

UBUNTU-CVE-2023-5717

A heap out-of-bounds write vulnerability in the Linux kernel's Linux Kernel Performance Events perf component can be exploited to achieve local privilege escalation. If perfreadgroup is called while an event's siblinglist is smaller than its child's siblinglist, it can increment or write to memor...

CVE-2023-5717 Out-of-bounds write in Linux kernel's Linux Kernel Performance Events (perf) component

A heap out-of-bounds write vulnerability in the Linux kernel's Linux Kernel Performance Events perf component can be exploited to achieve local privilege escalation. If perfreadgroup is called while an event's siblinglist is smaller than its child's siblinglist, it can increment or write to memor...

CVE-2023-5717 Out-of-bounds write in Linux kernel's Linux Kernel Performance Events (perf) component

A heap out-of-bounds write vulnerability in the Linux kernel's Linux Kernel Performance Events perf component can be exploited to achieve local privilege escalation. If perfreadgroup is called while an event's siblinglist is smaller than its child's siblinglist, it can increment or write to memor...

CVE-2023-5717

CVE-2023-5717 describes a heap out-of-bounds write in the Linux kernel’s perf subsystem (Perf events) caused by improper handling of event groups. When perf_read_group() runs and an event’s sibling_list is smaller than its child’s, memory writes can occur outside the allocated buffer, enabling lo...

CVE-2023-5717

A heap out-of-bounds write vulnerability in the Linux kernel's Linux Kernel Performance Events perf component can be exploited to achieve local privilege escalation. If perfreadgroup is called while an event's siblinglist is smaller than its child's siblinglist, it can increment or write to memor...

Linux kernel 缓冲区错误漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A local elevation of privilege vulnerability exists in the Linux Kernel. The vulnerability exists in the 'perf' component, where the perfreadgroup function is called when the...

CVE-2023-5717

A heap out-of-bounds write vulnerability in the Linux kernel's Linux Kernel Performance Events perf component can be exploited to achieve local privilege escalation. If perfreadgroup is called while an event's siblinglist is smaller than its child's siblinglist, it can increment or write to memor...

kernel: use-after-free vulnerability in the perf_group_detach function of the Linux Kernel Performance Events

The Linux kernel's Performance Events subsystem has a use-after-free flaw that occurs when a user triggers the perfgroupdetach and removeonexec functions simultaneously. This flaw allows a local user to crash or potentially escalate their privileges on the system...

USN-6385-1: Linux kernel (OEM) vulnerabilities

It was discovered that some AMD x86-64 processors with SMT enabled could speculatively execute instructions using a return address from a sibling thread. A local attacker could possibly use this to expose sensitive information. CVE-2022-27672 William Zhao discovered that the Traffic Control TC...