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

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

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 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:...

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...

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...

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...

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...

UBUNTU-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

The CVE-2026-23014 issue concerns the Linux kernel perf subsystem, specifically the swevent hrtimer. The root cause is that after changing hrtimer_try_to_cancel() in perf_swevent_cancel_hrtimer(), the hrtimer could remain active when the event is freed. The fix adds a full hrtimer_cancel() on the...

CVE-2026-23014 perf: Ensure swevent hrtimer is properly destroyed

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...

Linux Distros Unpatched Vulnerability : CVE-2026-23014

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - perf: Ensure swevent hrtimer is properly destroyed With the change to hrtimertrytocancel in perfsweventcancelhrtimer it appears possible for the hrtimer to stil...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-004949)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004949 advisory. In the Linux kernel, the following vulnerability has been resolved: perf/core: Prevent VMA split of buffer mappings The perf mmap code is careful about mmap'ing the...

SUSE-SU-2026:0281-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP7 Azure kernel was updated to fix various security issues The following security issues were fixed: - CVE-2025-38321: smb: Log an error when closeallcacheddirs fails bsc1246328. - CVE-2025-38728: smb3: fix for slab out of bounds on mount to ksmbd bsc1249256. -...

Azure Linux 3.0 Security Update: kernel (CVE-2025-38424)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-38424 advisory. - In the Linux kernel, the following vulnerability has been resolved: perf: Fix sample vs doexit Baisheng Gao...

Azure Linux 3.0 Security Update: kernel (CVE-2024-50012)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-50012 advisory. - In the Linux kernel, the following vulnerability has been resolved: cpufreq: Avoid a bad reference count on...