Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: perf: Fix refcount warning on event-mmapcount increment When calling refcountinc&event-mmapcount inside perfmmaprb, the following warning is triggered: refcountt: addition on 0; use-after-free. WARNING: lib/refcount.c:25 PoC:...

CVE-2026-23271

A flaw was found in the Linux kernel's perf subsystem. A race condition exists between the perfeventoverflow function and functions like perfremovefromcontext or perfeventexitevent. This occurs because perfeventoverflow may execute with only preemption disabled, allowing other operations to free...

CVE-2022-50820 perf/arm_dmc620: Fix hotplug callback leak in dmc620_pmu_init()

In the Linux kernel, the following vulnerability has been resolved: perf/armdmc620: Fix hotplug callback leak in dmc620pmuinit dmc620pmuinit won't remove the callback added by cpuhpsetupstatemulti when platformdriverregister failed. Remove the callback by cpuhpremovemultistate in fail path. Simil...

CVE-2023-53656

The CVE-2023-53656 issue affects the Linux kernel perf path (drivers/perf: hisi) where a migration of the perf context to the CPU going to teardown can occur because cpu_online_mask() has not yet updated during cpuhp teardown. The result is a call trace (example: __switch_to, __schedule, mutex_lo...

UBUNTU-CVE-2025-39821

In the Linux kernel, the following vulnerability has been resolved: perf: Avoid undefined behavior from stopping/starting inactive events Calling pmu-start/stop on perf events in PERFEVENTSTATEOFF can leave event-hw.idx at -1. When PMU drivers later attempt to use this negative index as a shift...

AZL-73803 CVE-2025-38565 affecting package kernel for versions less than 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: perf/core: Exit early on perfmmap fail When perfmmap fails to allocate a buffer, it still invokes the eventmapped callback of the related event. On X86 this might increase the perfrdpmcallowed reference counter. But nothing undoe...

DEBIAN-CVE-2025-38565

In the Linux kernel, the following vulnerability has been resolved: perf/core: Exit early on perfmmap fail When perfmmap fails to allocate a buffer, it still invokes the eventmapped callback of the related event. On X86 this might increase the perfrdpmcallowed reference counter. But nothing undoe...

PT-2025-33763 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The perf mmap function in the Linux kernel does not correctly handle buffer mapping failures. Specifically, if mapping a buffer read-only into the page table fails after successful...

Linux Distros Unpatched Vulnerability : CVE-2022-49782

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: Improve missing SIGTRAP checking To catch missing SIGTRAP we employ a WARN in...

SUSE CVE-2022-49565

In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel/lbr: Fix unchecked MSR access error on HSW The fuzzer triggers the below trace. 7763.384369 unchecked MSR access error: WRMSR to 0x689 tried to write 0x1fffffff8101349e at rIP: 0xffffffff810704a4...

CVE-2023-52797

CVE-2023-52797 is a Linux kernel vulnerability resolved by ensuring find_first_bit() return values are checked before using them as an index (prevents overflow and panic). Affected component: drivers perf in the kernel. The fix (cited in connected advisories) adds a check on the return value to a...

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...