Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Ensure liveliness of nested VM-Enter fail tracepoint message Use the string machinery provided by the tracing subsystem to create a copy of the string literals used in the “nested VM-Enter failed” tracepoint. A complete...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: f2fs: Fixed a null pointer panic in the tracepoint of replaceatomicwriteblock. A kernel panic occurs when oldaddr is NULL. https://bugzilla.kernel.org/showbug.cgi?id=217266 BUG: Null pointer dereferencing in the kernel; address:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: i40e: Fixed a preempt count leak in the napi poll tracepoint. Using getcpu in the tracepoint assignment causes an obvious preempt count leak, because nothing invokes putcpu to undo it. softirq: Huh, entered softirq 3 for NETRX...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: tracing/osnoise: Fixed the issue of tracepoints being reset upon removal of the timerlat tracer. If a timerlat tracer is started with the osnoise option OSNOISEWORKLOAD disabled, but then that option is enabled again and the...

tracepoint: balance regfunc() on func_add() failure in tracepoint_add_func()

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Linux Distros Unpatched Vulnerability : CVE-2026-46196

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - tracepoint: balance regfunc on funcadd failure in tracepointaddfunc When a tracepoint goes through the 0 - 1 transition, tracepointaddfunc invokes the subsystem...

CVE-2026-46196

A flaw was found in the Linux kernel. When a tracepoint a mechanism for dynamic instrumentation is registered, a failure during the probe installation process can lead to the registration's side effects persisting without a corresponding probe. This can cause a Denial of Service DoS by leaving...

UBUNTU-CVE-2026-46196

In the Linux kernel, the following vulnerability has been resolved: tracepoint: balance regfunc on funcadd failure in tracepointaddfunc When a tracepoint goes through the 0 - 1 transition, tracepointaddfunc invokes the subsystem's ext-regfunc before attempting to install the new probe via funcadd...

EUVD-2026-32823

In the Linux kernel, the following vulnerability has been resolved: tracepoint: balance regfunc on funcadd failure in tracepointaddfunc When a tracepoint goes through the 0 - 1 transition, tracepointaddfunc invokes the subsystem's ext-regfunc before attempting to install the new probe via funcadd...

CVE-2026-46196

In the Linux kernel, the following vulnerability has been resolved: tracepoint: balance regfunc on funcadd failure in tracepointaddfunc When a tracepoint goes through the 0 - 1 transition, tracepointaddfunc invokes the subsystem's ext-regfunc before attempting to install the new probe via funcadd...

CVE-2026-46196

In the Linux kernel, the following vulnerability has been resolved: tracepoint: balance regfunc on funcadd failure in tracepointaddfunc When a tracepoint goes through the 0 - 1 transition, tracepointaddfunc invokes the subsystem's ext-regfunc before attempting to install the new probe via funcadd...

CVE-2026-46196

CVE-2026-46196 describes a Linux kernel tracepoint regression: during a 0→1 transition, tracepoint_add_func() calls ext->regfunc() before installing a probe, and if func_add() fails (e.g., -ENOMEM), it previously did not call ext->unregfunc(), leaving behind side effects. The fix mirrors th...

CVE-2026-46196 tracepoint: balance regfunc() on func_add() failure in tracepoint_add_func()

In the Linux kernel, the following vulnerability has been resolved: tracepoint: balance regfunc on funcadd failure in tracepointaddfunc When a tracepoint goes through the 0 - 1 transition, tracepointaddfunc invokes the subsystem's ext-regfunc before attempting to install the new probe via funcadd...

PT-2026-44319

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to kernel-devel-7.0.11-1.1 Description An issue exists in the tracepoint add func function where the subsystem's ext-regfunc is invoked before attempting to install a new probe via func add. If func add fails, such ...

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 tracepoint module. In this case, when funcadd fails, the matching unregfunc function is not...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerabilities have been resolved: f2fs: fixed the assignment logic of iocb. Commit 18ae8d12991b “f2fs: shows more DIO information in tracepoints” introduced the iocb field in the ‘f2fsdirectIOenter’ trace event. It only assigns the pointer and then accesses it...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-021638)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-021638 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: fix use-after-free when COWing tree bock and tracing is enabled When a COWing a tree block...

EUVD-2026-27643

In the Linux kernel, the following vulnerability has been resolved: btrfs: tracepoints: get correct superblock from dentry in event btrfssyncfile If overlay is used on top of btrfs, dentry-dsb translates to overlay's super block and fsid assignment will lead to a crash. Use fileinodefile-isb to...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: slab: fixed the context check for kmallocnolock in the PREEMPTRT kernel. On PREEMPTRT kernels, locallock becomes a “sleeping lock”. The current check in kmallocnolock only verifies that we are not in NMI or hard IRQ contexts, but...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Tracing: Do not register unsupported perf events Synthetic events currently do not have a function to register perf events. This leads to calling the tracepoint register functions with a NULL function pointer, which triggers the...