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...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-989598)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989598 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...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990109)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990109 advisory. In the Linux kernel, the following vulnerability has been resolved: tracing/histograms: Fix memory leak problem This reverts commit...

CVE-2025-40042

This CVE (CVE-2025-40042) describes a race in Linux kernel tracing (kprobe initialization). The issue occurs between perf_kprobe_init/perf_trace_event_init assigning tp_event->perf_events and enabling kprobe TP_FLAG_PROFILE, where kprobe_dispatcher may observe call->perf_events as NULL, lea...

CVE-2025-40042 tracing: Fix race condition in kprobe initialization causing NULL pointer dereference

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix race condition in kprobe initialization causing NULL pointer dereference There is a critical race condition in kprobe initialization that can lead to NULL pointer dereference and kernel crash. 1135630.084782 Unable t...

CVE-2025-40021 tracing: dynevent: Add a missing lockdown check on dynevent

In the Linux kernel, the following vulnerability has been resolved: tracing: dynevent: Add a missing lockdown check on dynevent Since dynamicevents interface on tracefs is compatible with kprobeevents and uprobeevents, it should also check the lockdown status and reject if it is set...