kernel: bpf: Fix UAF via mismatching bpf_prog/attachment RCU flavors

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix UAF via mismatching bpfprog/attachment RCU flavors Uprobes always use bpfprogrunarrayuprobe under tasks-trace-RCU protection. But it is possible to attach a non-sleepable BPF program to a uprobe, and non-sleepable BPF...

EUVD-2019-11902

Malware in sbrugna...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-414481)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-414481 advisory. A race condition was found the Linux kernel in perfeventopen which can be exploited by an unprivileged user to gain root privileges. The bug allows to build several...

SUSE CVE-2025-39953

In the Linux kernel, the following vulnerability has been resolved: cgroup: split cgroupdestroywq into 3 workqueues A hung task can occur during 1 LTP cgroup testing when repeatedly mounting/unmounting perfevent and netprio controllers with systemd.unifiedcgrouphierarchy=1. The hang manifests in...

AZL-75179 CVE-2025-39953 affecting package kernel for versions less than 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: cgroup: split cgroupdestroywq into 3 workqueues A hung task can occur during 1 LTP cgroup testing when repeatedly mounting/unmounting perfevent and netprio controllers with systemd.unifiedcgrouphierarchy=1. The hang manifests in...

UBUNTU-CVE-2025-39953

In the Linux kernel, the following vulnerability has been resolved: cgroup: split cgroupdestroywq into 3 workqueues A hung task can occur during 1 LTP cgroup testing when repeatedly mounting/unmounting perfevent and netprio controllers with systemd.unifiedcgrouphierarchy=1. The hang manifests in...

CVE-2025-39953 cgroup: split cgroup_destroy_wq into 3 workqueues

In the Linux kernel, the following vulnerability has been resolved: cgroup: split cgroupdestroywq into 3 workqueues A hung task can occur during 1 LTP cgroup testing when repeatedly mounting/unmounting perfevent and netprio controllers with systemd.unifiedcgrouphierarchy=1. The hang manifests in...

CVE-2025-39953 cgroup: split cgroup_destroy_wq into 3 workqueues

In the Linux kernel, the following vulnerability has been resolved: cgroup: split cgroupdestroywq into 3 workqueues A hung task can occur during 1 LTP cgroup testing when repeatedly mounting/unmounting perfevent and netprio controllers with systemd.unifiedcgrouphierarchy=1. The hang manifests in...

DEBIAN-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...

SUSE 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...

Linux Distros Unpatched Vulnerability : CVE-2021-47006

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: ARM: 9064/1: hwbreakpoint: Do not directly check the event's overflowhandler hook The commit...

Linux Distros Unpatched Vulnerability : CVE-2018-12714

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An issue was discovered in the Linux kernel through 4.17.2. The filter parsing in kernel/trace/traceeventsfilter.c could be called with no filter, which is an N...

Linux Distros Unpatched Vulnerability : CVE-2025-37747

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - perf: Fix hang while freeing sigtrap event Perf can hang while freeing a sigtrap event if a related deferred signal hadn't managed to be sent before the file g...

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 avoid warnings related to unordered pmuctxlist. The Syskaller trigger a warning because prevepc-pmu does not equal nextepc-pmu in perfeventswaptaskctxdata. vmcore...

UBUNTU-CVE-2023-53065

In the Linux kernel, the following vulnerability has been resolved: perf/core: Fix perfoutputbegin parameter is incorrectly invoked in perfeventbpfoutput syzkaller reportes a KASAN issue with stack-out-of-bounds. The call trace is as follows: dumpstack+0x9c/0xd3...

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 the perfoutputbegin parameter being incorrectly called in perfeventbpfoutput...

CVE-2022-49782

In the Linux kernel, the following vulnerability has been resolved: perf: Improve missing SIGTRAP checking To catch missing SIGTRAP we employ a WARN in perfeventoverflow, which fires if pendingsigtrap was already set: returning to user space without consuming pendingsigtrap, and then having the...

CVE-2022-49782 perf: Improve missing SIGTRAP checking

In the Linux kernel, the following vulnerability has been resolved: perf: Improve missing SIGTRAP checking To catch missing SIGTRAP we employ a WARN in perfeventoverflow, which fires if pendingsigtrap was already set: returning to user space without consuming pendingsigtrap, and then having the...

CVE-2025-37747

In the Linux kernel, the following vulnerability has been resolved: perf: Fix hang while freeing sigtrap event Perf can hang while freeing a sigtrap event if a related deferred signal hadn't managed to be sent before the file got closed: perfeventoverflow taskworkaddperfpendingtask fput...

The vulnerability of the perf_event_swap_task_ctx_data function in the Linux operating system’s kernel allows a hacker to trigger a service failure.

The vulnerability of the perfeventswaptaskctxdata function in the Linux operating system’s kernel is related to the exhaustion of resources on the central processor. Exploiting this vulnerability can allow a remote attacker to cause service interruptions...