Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: perf/x86/intel: Fixed an access error when accessing the IA32PMCxCFGB MSRs When running perffuzzer on PTL, sometimes the “unchecked MSR access error” is observed when accessing the IA32PMCxCFGB MSRs. 55.611268 Unchecked MSR...

CVE-2026-31782

A flaw was found in the Linux kernel's performance monitoring unit perf/x86 component. This vulnerability occurs when the auto counter reload feature processes certain event groups, potentially causing an out-of-bounds memory read. An attacker could exploit this to gain unauthorized access to...

CVE-2025-40122

In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel: Fix IA32PMCxCFGB MSRs access error When running perffuzzer on PTL, sometimes the below "unchecked MSR access error" is seen when accessing IA32PMCxCFGB MSRs. 55.611268 unchecked MSR access error: WRMSR to 0x1986...

SUSE CVE-2025-40122

In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel: Fix IA32PMCxCFGB MSRs access error When running perffuzzer on PTL, sometimes the below "unchecked MSR access error" is seen when accessing IA32PMCxCFGB MSRs. 55.611268 unchecked MSR access error: WRMSR to 0x1986...

EUVD-2025-124961

In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel: Fix IA32PMCxCFGB MSRs access error When running perffuzzer on PTL, sometimes the below "unchecked MSR access error" is seen when accessing IA32PMCxCFGB MSRs. 55.611268 unchecked MSR access error: WRMSR to 0x1986...

CVE-2025-40122

In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel: Fix IA32PMCxCFGB MSRs access error When running perffuzzer on PTL, sometimes the below "unchecked MSR access error" is seen when accessing IA32PMCxCFGB MSRs. 55.611268 unchecked MSR access error: WRMSR to 0x1986...

UBUNTU-CVE-2025-40122

In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel: Fix IA32PMCxCFGB MSRs access error When running perffuzzer on PTL, sometimes the below "unchecked MSR access error" is seen when accessing IA32PMCxCFGB MSRs. 55.611268 unchecked MSR access error: WRMSR to 0x1986...

CVE-2025-40122

CVE-2025-40122 relates to the Linux kernel perf_x86/intel PMU and the IA32_PMC_x_CFG_B MSR access error observed on PTL. The issue arises when configuring ACR (auto counter reload) masks via perf events: an incorrect check in intel_pmu_acr_late_setup() lets an invalid ACR counter mask be written ...

CVE-2025-40122 perf/x86/intel: Fix IA32_PMC_x_CFG_B MSRs access error

In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel: Fix IA32PMCxCFGB MSRs access error When running perffuzzer on PTL, sometimes the below "unchecked MSR access error" is seen when accessing IA32PMCxCFGB MSRs. 55.611268 unchecked MSR access error: WRMSR to 0x1986...

CVE-2025-40122 perf/x86/intel: Fix IA32_PMC_x_CFG_B MSRs access error

In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel: Fix IA32PMCxCFGB MSRs access error When running perffuzzer on PTL, sometimes the below "unchecked MSR access error" is seen when accessing IA32PMCxCFGB MSRs. 55.611268 unchecked MSR access error: WRMSR to 0x1986...

Linux Distros Unpatched Vulnerability : CVE-2025-40122

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel: Fix IA32PMCxCFGB MSRs access error When running perffuzzer on PTL, sometimes...

PT-2025-46597

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw related to Model Specific Registers MSRs access during performance monitoring. Specifically, an incorrect check in the intel pmu acr late setup helper...