Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: powerpc/perf: Optimize clearing the pending PMI and remove WARNON for PMI check in powerpmudisable commit 2c9ac51b850d "powerpc/perf: Fix PMU callbacks to clear pending PMI before resetting an overflown PMC" added a new function...

CVE-2026-80626

A flaw was found in the Linux kernel's powerpc/perf component. An issue in the fslembpmudel function can lead to a preempt count underflow. This occurs when the function attempts to decrement a preemption counter without a corresponding increment, specifically when event-hw.idx is negative. On...

Linux Distros Unpatched Vulnerability : CVE-2026-80626

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - powerpc/perf: fix preempt count underflow in fslembpmudel fslembpmudel unconditionally calls putcpuvarcpuhwevents at the 'out:' label, but only calls the matchi...

SUSE CVE-2026-80626

In the Linux kernel, the following vulnerability has been resolved: powerpc/perf: fix preempt count underflow in fslembpmudel fslembpmudel unconditionally calls putcpuvarcpuhwevents at the 'out:' label, but only calls the matching getcpuvar after the 'i hw.idx is negative the function jumps to...

CVE-2026-80626

In the Linux kernel, the following vulnerability has been resolved: powerpc/perf: fix preempt count underflow in fslembpmudel fslembpmudel unconditionally calls putcpuvarcpuhwevents at the 'out:' label, but only calls the matching getcpuvar after the 'i hw.idx is negative the function jumps to...

CVE-2026-80626

In the Linux kernel, the following vulnerability has been resolved: powerpc/perf: fix preempt count underflow in fslembpmudel fslembpmudel unconditionally calls putcpuvarcpuhwevents at the 'out:' label, but only calls the matching getcpuvar after the 'i hw.idx is negative the function jumps to...

UBUNTU-CVE-2026-80626

In the Linux kernel, the following vulnerability has been resolved: powerpc/perf: fix preempt count underflow in fslembpmudel fslembpmudel unconditionally calls putcpuvarcpuhwevents at the 'out:' label, but only calls the matching getcpuvar after the 'i hw.idx is negative the function jumps to...

CVE-2026-80626 powerpc/perf: fix preempt count underflow in fsl_emb_pmu_del

In the Linux kernel, the following vulnerability has been resolved: powerpc/perf: fix preempt count underflow in fslembpmudel fslembpmudel unconditionally calls putcpuvarcpuhwevents at the 'out:' label, but only calls the matching getcpuvar after the 'i hw.idx is negative the function jumps to...

EUVD-2026-67502

In the Linux kernel, the following vulnerability has been resolved: powerpc/perf: fix preempt count underflow in fslembpmudel fslembpmudel unconditionally calls putcpuvarcpuhwevents at the 'out:' label, but only calls the matching getcpuvar after the 'i hw.idx is negative the function jumps to...

CVE-2026-80626

CVE-2026-80626 is a preempt count underflow in the Linux kernel 's powerpc/perf subsystem, specifically in the fsl_emb_pmu_del() function. The root cause is an unmatched put_cpu_var(cpu_hw_events) call at the 'out:' label: when event->hw.idx is negative, the function early-returns without the ...

CVE-2026-80626

In the Linux kernel, the following vulnerability has been resolved: powerpc/perf: fix preempt count underflow in fslembpmudel fslembpmudel unconditionally calls putcpuvarcpuhwevents at the 'out:' label, but only calls the matching getcpuvar after the 'i hw.idx is negative the function jumps to...

CVE-2026-80626 powerpc/perf: fix preempt count underflow in fsl_emb_pmu_del

In the Linux kernel, the following vulnerability has been resolved: powerpc/perf: fix preempt count underflow in fslembpmudel fslembpmudel unconditionally calls putcpuvarcpuhwevents at the 'out:' label, but only calls the matching getcpuvar after the 'i hw.idx is negative the function jumps to...

PT-2026-82926

In the Linux kernel, the following vulnerability has been resolved: powerpc/perf: fix preempt count underflow in fsl emb pmu del fsl emb pmu del unconditionally calls put cpu varcpu hw events at the 'out:' label, but only calls the matching get cpu var after the 'i hw.idx is negative the function...

CVE-2026-80626: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: powerpc/perf: fix preempt count underflow in fslembpmudel fslembpmudel unconditionally calls putcpuvarcpuhwevents at the 'out:' label, but only calls the matching getcpuvar after the 'i hw.idx is negative the function jumps to...

CVE-2026-43416

CVE-2026-43416 affects the Linux kernel: a NULL pointer dereference in perf stack tracing when current->mm is released, risking kernel panic during profiling with BPF. The root cause is a missing alive check before retrieving the user callchain for perf_callchain_user (and similar to a prior x...

The vulnerability of the vpa_pmu_del() function in the arch/powerpc/perf/vpa-pmu.c module, which is part of the PowerPC platform support for the Linux operating system, allows a hacker to cause a service failure.

The vulnerability of the vpapmudel function in the arch/powerpc/perf/vpa-pmu.c module, which is part of the PowerPC platform support for the Linux operating system, relates to the use of pointers. Exploiting this vulnerability could allow an attacker to cause a service failure...

SUSE CVE-2022-50118

In the Linux kernel, the following vulnerability has been resolved: powerpc/perf: Optimize clearing the pending PMI and remove WARNON for PMI check in powerpmudisable commit 2c9ac51b850d "powerpc/perf: Fix PMU callbacks to clear pending PMI before resetting an overflown PMC" added a new function...

CVE-2022-50118 powerpc/perf: Optimize clearing the pending PMI and remove WARN_ON for PMI check in power_pmu_disable

In the Linux kernel, the following vulnerability has been resolved: powerpc/perf: Optimize clearing the pending PMI and remove WARNON for PMI check in powerpmudisable commit 2c9ac51b850d "powerpc/perf: Fix PMU callbacks to clear pending PMI before resetting an overflown PMC" added a new function...

PT-2025-26044 · Linux · Linux Kernel

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 powerpc/perf component, where a warning is triggered when there is a PMI pending in Paca but no count...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a vpapmu reference count error in powerpc perf, which could lead to a crash when the module is uninstalled...