Linux Distros Unpatched Vulnerability : CVE-2026-23127

"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: Fix refcount warning on event-mmapcount increment When calling...

CVE-2026-23159

In the Linux kernel, the following vulnerability has been resolved: perf: sched: Fix perf crash with new isusertask helper In order to do a user space stacktrace the current task needs to be a user task that has executed in user space. It use to be possible to test if a task is a user task or not...

CVE-2026-23159

In the Linux kernel, the following vulnerability has been resolved: perf: sched: Fix perf crash with new isusertask helper In order to do a user space stacktrace the current task needs to be a user task that has executed in user space. It use to be possible to test if a task is a user task or not...

UBUNTU-CVE-2026-23159

In the Linux kernel, the following vulnerability has been resolved: perf: sched: Fix perf crash with new isusertask helper In order to do a user space stacktrace the current task needs to be a user task that has executed in user space. It use to be possible to test if a task is a user task or not...

CVE-2026-23159

CVE-2026-23159 is a Linux kernel vulnerability related to perf: sched crashing when tracing user-space tasks. The issue arose from an unsafe test for user-space task memory access: older checks relied on task_struct.mm, newer code attempted PF_KTHREAD checks and is_user_task() but not all kernel ...

CVE-2026-23159 perf: sched: Fix perf crash with new is_user_task() helper

In the Linux kernel, the following vulnerability has been resolved: perf: sched: Fix perf crash with new isusertask helper In order to do a user space stacktrace the current task needs to be a user task that has executed in user space. It use to be possible to test if a task is a user task or not...

CVE-2026-23159 perf: sched: Fix perf crash with new is_user_task() helper

In the Linux kernel, the following vulnerability has been resolved: perf: sched: Fix perf crash with new isusertask helper In order to do a user space stacktrace the current task needs to be a user task that has executed in user space. It use to be possible to test if a task is a user task or not...

CVE-2026-23127

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-2026-23127

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:...

UBUNTU-CVE-2026-23127

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-2026-23127

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-2026-23127 perf: Fix refcount warning on event->mmap_count increment

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-2026-23127

CVE-2026-23127 affects the Linux kernel perf subsystem. The issue is caused by a refcount warning in perf_mmap_rb() when updating event->mmap_count during group-member mmap creation with PERF_FLAG_FD_OUTPUT. Specifically, refcount_inc(&event->mmap_count) can run when mmap_count is 0, trigge...

CVE-2026-23127 perf: Fix refcount warning on event->mmap_count increment

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:...

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 improper reference counting of event-mmapcount in the perf tool. This vulnerability may lead to t...

PT-2026-8120

In the Linux kernel, the following vulnerability has been resolved: perf: Fix refcount warning on event-mmap count increment When calling refcount inc&event-mmap count inside perf mmap rb, the following warning is triggered: refcount t: addition on 0; use-after-free. WARNING: lib/refcount.c:25 Po...

Redis 8.0.2 - RCE

Exploit Title: Ingress-NGINX Admission Controller v1.11.1 - FD Injection to RCE Date: 2025-10-07 Exploit Author: Beatriz Fresno Naumova Vendor Homepage: https://redis.io/ Software Link: https://redis.io/ Version: Affects := 8.0.0, 8 + p8size & 0xff def buildmalformedhll: """ Construct a malformed...

CLSA-2026-1770032032 kernel: Fix of 63 CVEs

mm/memory-failure: fix VMBUGONPAGEPagePoisonedpage when unpoison memory CVE-2025-39883 - comedi: aioiiro16: Fix bit shift out of bounds CVE-2025-38529 - comedi: das6402: Fix bit shift out of bounds CVE-2025-38482 - comedi: pcl812: Fix bit shift out of bounds CVE-2025-38530 - comedi: das16m1: Fix...

SUSE CVE-2026-23014

In the Linux kernel, the following vulnerability has been resolved: perf: Ensure swevent hrtimer is properly destroyed With the change to hrtimertrytocancel in perfsweventcancelhrtimer it appears possible for the hrtimer to still be active by the time the event gets freed. Make sure the event doe...

CVE-2026-23014

In the Linux kernel, the following vulnerability has been resolved: perf: Ensure swevent hrtimer is properly destroyed With the change to hrtimertrytocancel in perfsweventcancelhrtimer it appears possible for the hrtimer to still be active by the time the event gets freed. Make sure the event doe...