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

The vulnerability of the unregisterfprobe function in the kernel/trace/fprobe.c module, which supports kernel tracing in Linux operating systems, is related to synchronization errors when using shared resources. Exploiting this vulnerability can allow an attacker to cause a service failure...

The vulnerability of the eventHistTriggerParse() function in the kernel/trace/traceEventsHist.c module, which supports Linux operating system kernel tracing, allows an attacker to compromise the confidentiality, integrity, and accessibility of protected information.

The vulnerability of the eventHistTriggerParse function in the kernel/trace/traceEventsHist.c module, which supports kernel tracing in Linux operating systems, is related to the reutilization of previously freed memory. Exploiting this vulnerability could allow an attacker to compromise the...

The vulnerability of the __rb_map_vma() function in the kernel/trace/ring_buffer.c module, which supports Linux operating system kernel tracing, allows a hacker to cause a service failure.

The vulnerability of the rbmapvma function in the kernel/trace/ringbuffer.c module, which supports kernel tracing in Linux operating systems, is related to the execution of operations outside the buffer boundaries. Exploiting this vulnerability could allow an attacker to cause a service failure...

The vulnerability of the rb_reset_cpu() function in the kernel/trace/ring_buffer.c module, which supports Linux kernel tracing, allows an attacker to access protected information or cause a service failure.

The vulnerability of the rbresetcpu function in the kernel/trace/ringbuffer.c module, which supports Linux kernel tracing, is related to an infinite loop. Exploiting this vulnerability could allow an attacker to access protected information or cause service failures...

tracing/dma: Cap dma_map_sg tracepoint arrays to prevent buffer overflow

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The vulnerability of the `rb_check_bpage()` function in the kernel/trace/ring_buffer.c module, which supports Linux operating system debugging, allows a malicious actor to cause a service failure.

The vulnerability of the rbcheckbpage function in the kernel/trace/ringbuffer.c module, which is part of the Linux kernel’s tracing support, is related to improper validation of the integrity check value. Exploiting this vulnerability could allow an attacker to trigger a service failure...

The vulnerabilities of the functions test_gen_synth_cmd() and test_empty_synth_event() in the kernel/trace/synth_event_gen_test.c module, which support Linux operating system tracing, allow a malicious actor to cause a service failure.

The vulnerabilities of the functions testgensynthcmd and testemptysynthevent in the kernel/trace/syntheventgentest.c module, which support kernel tracing in Linux operating systems, are related to improper memory release. Exploiting these vulnerabilities could allow an attacker to cause a system...

The vulnerability of the `register_synth_event()` function in the kernel/trace/trace_events_synth.c module, which supports Linux kernel tracing, allows a malicious actor to access protected information or cause system failures.

The vulnerability of the registersynthevent function in the kernel/trace/traceeventssynth.c module, which supports kernel tracing in Linux operating systems, relates to the execution of operations outside the buffer in memory. Exploiting this vulnerability could allow an attacker to access...

CVE-2026-23390

In the Linux kernel, the following vulnerability has been resolved: tracing/dma: Cap dmamapsg tracepoint arrays to prevent buffer overflow The dmamapsg tracepoint can trigger a perf buffer overflow when tracing large scatter-gather lists. With devices like virtio-gpu creating large DRM buffers,...

CVE-2026-23309 tracing: Add NULL pointer check to trigger_data_free()

In the Linux kernel, the following vulnerability has been resolved: tracing: Add NULL pointer check to triggerdatafree If triggerdataalloc fails and returns NULL, eventhisttriggerparse jumps to the outfree error path. While kfree safely handles a NULL pointer, triggerdatafree does not. This cause...

CVE-2026-23309

CVE-2026-23309 refers to a Linux kernel vulnerability in the tracing subsystem. The issue was a NULL pointer dereference in trigger_data_free() when data->cmd_ops->set_filter is evaluated after a failed trigger_data_alloc() and returning NULL. The root cause was that trigger_data_free() did...

The vulnerability of the osnoise_cpus_write() function in the kernel/trace/trace_osnoise.c module, which supports Linux kernel tracing, allows a hacker to cause a service failure.

The vulnerability of the osnoisecpuswrite function in the kernel/trace/traceosnoise.c module, which supports kernel tracing in Linux operating systems, relates to reading beyond the buffer boundaries. Exploiting this vulnerability could allow an attacker to cause a service failure...

The vulnerability of the __remove_instance() function in the kernel/trace/trace.c module, which supports Linux kernel tracing, allows a malicious actor to cause a service failure.

The vulnerability of the removeinstance function in the kernel/trace/trace.c module, which supports Linux kernel tracing, is related to the reutilization of previously freed memory. Exploiting this vulnerability could allow an attacker to cause a service failure...

The vulnerability of the `ftrace_func_mapper_add_ip()` 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 ftracefuncmapperaddip function in the kernel/trace/ftrace.c module, which supports kernel tracing in Linux operating systems, is related to improper control of resource identifiers “resource injection”. Exploiting this vulnerability could allow an attacker to trigger a...

The vulnerability of the lookup_rec() function in the kernel/trace/ftrace.c module, which supports Linux operating system tracing, allows an attacker to compromise the confidentiality, integrity, and accessibility of protected information.

The vulnerability of the lookuprec function in the kernel/trace/ftrace.c module, which supports kernel tracing in Linux operating systems, is related to the repeated use of previously freed memory. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity,...

Auditing MCP Servers for Over-Privileged Tool Capabilities

The Model Context Protocol MCP has emerged as a standard for connecting Large Language Models LLMs to external tools and data. However, MCP servers often expose privileged capabilities, such as file system access, network requests, and command execution that can be exploited if not properly...

The vulnerabilities of the `parse_probe_vars()` and `parse_probe_arg()` functions in the `kernel/trace/trace_probe.c` module, which support Linux kernel tracing, allow a malicious actor to cause a system failure.

The vulnerability of the parseprobevars and parseprobearg functions in the kernel/trace/traceprobe.c module, which support kernel tracing in Linux operating systems, is related to the use of pointers. Exploiting this vulnerability could allow an attacker to cause a system failure...

The vulnerabilities of the functions get_eprobe_size() and processFetchInsn() in the kernel/trace/trace_eprobe.c module, which support Linux operating system’s kernel tracing functionality, allow attackers to compromise the confidentiality, integrity, and accessibility of protected information.

The vulnerabilities of the functions geteprobesize and processFetchInsn in the kernel/trace/traceeprobe.c module, which support kernel tracing in Linux operating systems, are related to pointer manipulation. Exploiting these vulnerabilities could allow an attacker to compromise the confidentialit...

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

The vulnerability of the dyneventopen function in the kernel/trace/tracedynevent.c module, which supports kernel tracing in Linux operating systems, is related to the lack of state checking. Exploiting this vulnerability could allow an attacker to cause a service failure...

The vulnerability of the `trace_pid_write()` function in the kernel/trace/trace.c module, which supports Linux operating system’s kernel tracing, allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the tracepidwrite function in the kernel/trace/trace.c module, which supports Linux operating system tracing, is related to the repeated release of previously released memory. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity,...