CVE-2026-74753

In the Linux kernel, the following vulnerability has been resolved: perf: Reject exited events as group leaders perfeventremoveonexec sets remove-on-exec events to the EXIT state and detaches their group relationships. The event's file descriptor can remain open, however, and perfeventopen...

CVE-2026-74753 perf: Reject exited events as group leaders

In the Linux kernel, the following vulnerability has been resolved: perf: Reject exited events as group leaders perfeventremoveonexec sets remove-on-exec events to the EXIT state and detaches their group relationships. The event's file descriptor can remain open, however, and perfeventopen...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098933)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098933 advisory. In the Linux kernel, the following vulnerability has been resolved: perf: Fix perfeventoverflow vs perfremovefromcontext race Make sure that perfeventoverflow runs...

CVE-2026-74637

A flaw was found in the Linux kernel's perf subsystem. A local attacker could exploit a use-after-free vulnerability when a perf event group's sibling is detached but remains active, and its pointer to the group leader is not properly updated. This improper handling can lead to a system crash,...

CVE-2026-72237

A flaw was found in the Linux kernel. A local user can exploit a vulnerability in the perf subsystem on AMD processors utilizing the Branch Sampling BRS feature. This flaw occurs because the software filtering mechanism for branch records only validates the branch-to address, leaving the...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-101985)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-101985 advisory. In the Linux kernel, the following vulnerability has been resolved: perf: Fix perfeventoverflow vs perfremovefromcontext race Make sure that perfeventoverflow runs...

UBUNTU-CVE-2026-72237

In the Linux kernel, the following vulnerability has been resolved: perf/x86/amd/brs: Fix kernel address leakage A user-only branch stack can contain branches that originate from the kernel. As a result, kernel addresses are exposed to user space even when PERFSAMPLEBRANCHUSER is requested. On AM...

CVE-2026-72325 perf/x86/amd/core: Avoid enabling BRS from the SVM reload path

In the Linux kernel, the following vulnerability has been resolved: perf/x86/amd/core: Avoid enabling BRS from the SVM reload path Branch Sampling BRS and Last Branch Record LBR are mutually exclusive hardware features, and users of both are tracked via cpuc-lbrusers. When SVM is toggled on a CPU...

CVE-2026-72237 perf/x86/amd/brs: Fix kernel address leakage

In the Linux kernel, the following vulnerability has been resolved: perf/x86/amd/brs: Fix kernel address leakage A user-only branch stack can contain branches that originate from the kernel. As a result, kernel addresses are exposed to user space even when PERFSAMPLEBRANCHUSER is requested. On AM...

CVE-2026-72237 perf/x86/amd/brs: Fix kernel address leakage

In the Linux kernel, the following vulnerability has been resolved: perf/x86/amd/brs: Fix kernel address leakage A user-only branch stack can contain branches that originate from the kernel. As a result, kernel addresses are exposed to user space even when PERFSAMPLEBRANCHUSER is requested. On AM...

EUVD-2026-59136

In the Linux kernel, the following vulnerability has been resolved: perf/x86/amd/brs: Fix kernel address leakage A user-only branch stack can contain branches that originate from the kernel. As a result, kernel addresses are exposed to user space even when PERFSAMPLEBRANCHUSER is requested. On AM...

PT-2026-72425

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the Linux kernel where kernel addresses are exposed to user space on AMD processors supporting X86 FEATURE BRS Zen 3. When PERF SAMPLE BRANCH USER is requested, the...

Linux Distros Unpatched Vulnerability : CVE-2026-72236

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - s390/perfcpumcf: Add missing arrayindexnospec to hwperfeventinit ev variable is userspace controlled via event-attr.config and used as an array index after boun...

kernel security, bug fix, and enhancement update

6.12.0-211.47.1 - Add new Oracle Linux Driver Signing key 1 certificate Orabug: 37985782 - Disable UKI signing Orabug: 36571828 - Update Oracle Linux certificates Kevin Lyons - Disable signing for aarch64 Ilya Okomin - Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys list...

Linux Distros Unpatched Vulnerability : CVE-2026-64300

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/aux: Fix page UAF in maprange maprange reads rb-auxpages, rb-auxnrpages and rb-auxpgoff...

CVE-2026-43416 powerpc, perf: Check that current->mm is alive before getting user callchain

In the Linux kernel, the following vulnerability has been resolved: powerpc, perf: Check that current-mm is alive before getting user callchain It may happen that mm is already released, which leads to kernel panic. This adds the NULL check for current-mm, similarly to commit 20afc60f892d "x86,...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: perf: Rejects exited events as group leaders The perfeventremoveonexec function sets remove-on-exec events to the EXIT state and detaches their group relationships. However, the event’s file descriptor can remain open. Currently,...

Linux Kernel Security Vulnerabilities

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the perf subsystem’s failure to check whether current-mm is still alive when retrieving the call...

AZL-83345 CVE-2026-31528 affecting package kernel for versions less than 6.6.134.1-2

In the Linux kernel, the following vulnerability has been resolved: perf: Make sure to use pmuctx-pmu for groups Oliver reported that x86pmudel ended up doing an out-of-bound memory access when groupschedin fails and needs to roll back. This should be handled by the transaction callbacks, but he...

AZL-80213 CVE-2026-23271 affecting package kernel for versions less than 6.6.130.1-1

In the Linux kernel, the following vulnerability has been resolved: perf: Fix perfeventoverflow vs perfremovefromcontext race Make sure that perfeventoverflow runs with IRQs disabled for all possible callchains. Specifically the software events can end up running it with only preemption disabled...