Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: Tracing: Fixed a race condition in kprobe initialization that could lead to NULL pointer dereferencing. There is a critical race condition in kprobe initialization that can result in NULL pointer dereferencing and cause the...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-000503)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000503 advisory. In the Linux kernel, the following vulnerability has been resolved: tracing: Restructure traceclockglobal to never block It was reported that a fix to the ring buffe...

PT-2026-6158

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.16.3+deb14-amd64 1 Description A flaw exists in the Linux kernel related to the handling of synthetic stacktraces within the tracing subsystem. Specifically, when creating a synthetic event based on an existing...

PT-2026-8133

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel related to kernel stack trace recording. An infinite recursion could occur when tracing RCU events with the kernel stack trace trigger enabled, as the...

EUVD-2023-60470

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix memory leak of iter-temp when reading tracepipe kmemleak reports: unreferenced object 0xffff88814d14e200 size 256: comm "cat", pid 336, jiffies 4294871818 age 779.490s hex dump first 32 bytes: 04 00 01 03 00 00 00 00...

UBUNTU-CVE-2023-54171

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix memory leak of iter-temp when reading tracepipe kmemleak reports: unreferenced object 0xffff88814d14e200 size 256: comm "cat", pid 336, jiffies 4294871818 age 779.490s hex dump first 32 bytes: 04 00 01 03 00 00 00 00...

CVE-2023-54171 tracing: Fix memory leak of iter->temp when reading trace_pipe

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix memory leak of iter-temp when reading tracepipe kmemleak reports: unreferenced object 0xffff88814d14e200 size 256: comm "cat", pid 336, jiffies 4294871818 age 779.490s hex dump first 32 bytes: 04 00 01 03 00 00 00 00...

PT-2025-54000

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A memory leak exists when reading the 'trace pipe' file within the Linux kernel's tracing subsystem. Specifically, the iter-temp memory is allocated or relocated in the trace find next...

EUVD-2023-60281

In the Linux kernel, the following vulnerability has been resolved: audit: fix possible soft lockup in auditinodechild Tracefs or debugfs maybe cause hundreds to thousands of PATH records, too many PATH records maybe cause soft lockup. For example: 1. CONFIGKASAN=y && CONFIGPREEMPTION=n 2. auditc...

UBUNTU-CVE-2023-54045

In the Linux kernel, the following vulnerability has been resolved: audit: fix possible soft lockup in auditinodechild Tracefs or debugfs maybe cause hundreds to thousands of PATH records, too many PATH records maybe cause soft lockup. For example: 1. CONFIGKASAN=y && CONFIGPREEMPTION=n 2. auditc...

CVE-2025-68359 btrfs: fix double free of qgroup record after failure to add delayed ref head

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix double free of qgroup record after failure to add delayed ref head In the previous code it was possible to incur into a double kfree scenario when calling adddelayedrefhead. This could happen if the record was reported...

CVE-2025-68216

In the Linux kernel, the following vulnerability has been resolved: LoongArch: BPF: Disable trampoline for kernel module function trace The current LoongArch BPF trampoline implementation is incompatible with tracing functions in kernel modules. This causes several severe and user-visible problem...

PT-2025-51629

In the Linux kernel, the following vulnerability has been resolved: LoongArch: BPF: Disable trampoline for kernel module function trace The current LoongArch BPF trampoline implementation is incompatible with tracing functions in kernel modules. This causes several severe and user-visible problem...

The vulnerability of the Linux operating system’s kernel tracing component, which allows a hacker to trigger a service failure

The vulnerability of the Linux operating system’s kernel trace component is related to reading data beyond the acceptable buffer size. Exploiting this vulnerability allows an attacker to cause a service failure...

CVE-2025-48638

In pkvmloadtracing of trace.c, there is a possible out-of-bounds write due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation...

CVE-2025-48638

In pkvmloadtracing of trace.c, there is a possible out-of-bounds write due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: crypto: essiv - Check ssize for decryption and in-place encryption CVE-2025-40019 In the Linux kernel, the following vulnerability has been resolved: mm/ksm: fix flag-dropping behavior in ksmmadvise CVE-2025-40040...

The vulnerability of the `ftrace_hash_ipmodify_update()` function in the kernel/trace/ftrace.c module, which supports kernel tracing in Linux operating systems, allows a hacker to cause a service failure.

The vulnerability of the ftracehashipmodifyupdate function in the kernel/trace/ftrace.c module, which supports kernel tracing in Linux operating systems, is related to the use of a name with incorrect references. Exploiting this vulnerability could allow an attacker to cause a service failure...

kernel: drm/xe/tracing: Fix a potential TP_printk UAF

In the Linux kernel, the following vulnerability has been resolved: drm/xe/tracing: Fix a potential TPprintk UAF The commit afd2627f727b "tracing: Check "%s" dereference via the field and not the TPprintk format" exposes potential UAFs in the xebomove trace event. Fix those by avoiding...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990408)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990408 advisory. In the Linux kernel, the following vulnerability has been resolved: tracing: Make sure traceprintk can output as soon as it can be used Currently traceprintk can be...