Linux kernel 安全漏洞

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 incorrect PMU context used by the perf event group, potentially leading to out-of-bound memor...

PT-2026-34433

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An out-of-bound memory access can occur in the x86 pmu del function when group sched in fails and requires a rollback. This happens because the inherit function uses event-pmu to clone...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: perf/core: Fixed the WARNON!ctx message in freeevent for partial initialization. The call to getctxchildctx and the assignment of childevent-ctx are now performed immediately after the childevent is allocated. Ensure that...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: perf/core: The order of the PMU list needs to be adjusted to fix a warning regarding an unordered pmuctxlist. The Syskaller trigger a warning because prevepc-pmu does not equal nextepc-pmu in perfeventswaptaskctxdata. vmcore...

AZL-70150 CVE-2025-37878 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: perf/core: Fix WARNON!ctx in freeevent for partial init Move the getctxchildctx call and the childevent-ctx assignment to occur immediately after the child event is allocated. Ensure that childevent-ctx is non-NULL before any...

SUSE CVE-2025-21895

In the Linux kernel, the following vulnerability has been resolved: perf/core: Order the PMU list to fix warning about unordered pmuctxlist Syskaller triggers a warning due to prevepc-pmu != nextepc-pmu in perfeventswaptaskctxdata. vmcore shows that two lists have the same perfeventpmucontext, bu...

CVE-2025-21895

In the Linux kernel, the following vulnerability has been resolved: perf/core: Order the PMU list to fix warning about unordered pmuctxlist Syskaller triggers a warning due to prevepc-pmu != nextepc-pmu in perfeventswaptaskctxdata. vmcore shows that two lists have the same perfeventpmucontext, bu...

DEBIAN-CVE-2025-21895

In the Linux kernel, the following vulnerability has been resolved: perf/core: Order the PMU list to fix warning about unordered pmuctxlist Syskaller triggers a warning due to prevepc-pmu != nextepc-pmu in perfeventswaptaskctxdata. vmcore shows that two lists have the same perfeventpmucontext, bu...