CVE-2026-23394: Concurrent Execution using Shared Resource with Improper Synchronization

In the Linux kernel, the following vulnerability has been resolved: afunix: Give up GC if MSGPEEK intervened. Igor Ushakov reported that GC purged the receive queue of an alive socket due to a race with MSGPEEK with a nice repro. This is the exact same issue previously fixed by commit cbcf01128d0...

Siemens SIMATIC S7-1500 Improper Input Validation (CVE-2025-38470)

"In the Linux kernel, the following vulnerability has been resolved: net: vlan: fix VLAN 0 refcount imbalance of toggling filtering during runtime Assuming the rx-vlan-filter feature is enabled on a net device, the 8021q module will automatically add or remove VLAN 0 when the net device is put...

perf/core: Fix refcount bug and potential UAF in perf_mmap

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SUSE CVE-2026-23248

In the Linux kernel, the following vulnerability has been resolved: perf/core: Fix refcount bug and potential UAF in perfmmap Syzkaller reported a refcountt: addition on 0; use-after-free warning in perfmmap. The issue is caused by a race condition between a failing mmap setup and a concurrent mm...

EUVD-2026-12811

In the Linux kernel, the following vulnerability has been resolved: perf/core: Fix refcount bug and potential UAF in perfmmap Syzkaller reported a refcountt: addition on 0; use-after-free warning in perfmmap. The issue is caused by a race condition between a failing mmap setup and a concurrent mm...

CVE-2026-23248

In the Linux kernel, the following vulnerability has been resolved: perf/core: Fix refcount bug and potential UAF in perfmmap Syzkaller reported a refcountt: addition on 0; use-after-free warning in perfmmap. The issue is caused by a race condition between a failing mmap setup and a concurrent mm...

CVE-2026-23248 perf/core: Fix refcount bug and potential UAF in perf_mmap

In the Linux kernel, the following vulnerability has been resolved: perf/core: Fix refcount bug and potential UAF in perfmmap Syzkaller reported a refcountt: addition on 0; use-after-free warning in perfmmap. The issue is caused by a race condition between a failing mmap setup and a concurrent mm...

CVE-2026-23248

In the Linux kernel, the following vulnerability has been resolved: perf/core: Fix refcount bug and potential UAF in perfmmap Syzkaller reported a refcountt: addition on 0; use-after-free warning in perfmmap. The issue is caused by a race condition between a failing mmap setup and a concurrent mm...

CVE-2026-23248

CVE-2026-23248 affects the Linux kernel perf/core component, specifically the perf_mmap path that initializes a ring_buffer. The issue is a race between a failing mmap() setup and a concurrent mmap() on a dependent event (e.g., due to output redirection). The ring_buffer pointer (event->rb) is...

CVE-2026-23248 perf/core: Fix refcount bug and potential UAF in perf_mmap

In the Linux kernel, the following vulnerability has been resolved: perf/core: Fix refcount bug and potential UAF in perfmmap Syzkaller reported a refcountt: addition on 0; use-after-free warning in perfmmap. The issue is caused by a race condition between a failing mmap setup and a concurrent mm...

CVE-2026-23248

In the Linux kernel, the following vulnerability has been resolved: perf/core: Fix refcount bug and potential UAF in perfmmap Syzkaller reported a refcountt: addition on 0; use-after-free warning in perfmmap. The issue is caused by a race condition between a failing mmap setup and a concurrent mm...

CVE-2026-23248: Use After Free

In the Linux kernel, the following vulnerability has been resolved: perf/core: Fix refcount bug and potential UAF in perfmmap Syzkaller reported a refcountt: addition on 0; use-after-free warning in perfmmap. The issue is caused by a race condition between a failing mmap setup and a concurrent mm...

Linux Distros Unpatched Vulnerability : CVE-2026-23248

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - perf/core: Fix refcount bug and potential UAF in perfmmap Syzkaller reported a refcountt: addition on 0; use-after-free warning in perfmmap. The issue is caused...

PT-2026-52003

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the powerpc architecture's page table fragment management. The system uses pt frag refcount to track page table fragments. When pte free defer is called during madvise...

PT-2026-30145

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw in the net/smc module within the smc tcp syn recv sock function. This issue involves a potential NULL pointer dereference and a use-after-free condition...

PT-2026-44362

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A runtime power management PM reference count leak exists in the ov5647 I2C driver. Specifically, three control cases—AUTOGAIN, EXPOSURE AUTO, and ANALOGUE GAIN—return directly without...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-005760)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005760 advisory. In the Linux kernel, the following vulnerability has been resolved: clk: tegra20: Fix refcount leak in tegra20clockinit offindmatchingnode returns a node pointer wit...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-005660)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005660 advisory. In the Linux kernel, the following vulnerability has been resolved: net: qrtr: Fix a refcount bug in qrtrrecvmsg Syzbot reported a bug as following: refcountt:...

Important: kernel6.12

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: bpf: Reject narrower access to pointer ctx fields CVE-2025-38591 In the Linux kernel, the following vulnerability has been resolved: schedext: Fix possible deadlock in the deferredirqworkfn CVE-2025-68333 In the...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-005674)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005674 advisory. In the Linux kernel, the following vulnerability has been resolved: clk: tegra: Fix refcount leak in tegra210clockinit offindmatchingnode returns a node pointer with...