Linux kernel trace dynevent Heap Buffer Overflow DoS

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

blkTraceRemoveQueue Heap Buffer Overflow Info Disclosure

The vulnerability of the blkTraceRemoveQueue function in the kernel/trace/blktrace.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 gain access to protected...

DEBIAN-CVE-2025-37938

In the Linux kernel, the following vulnerability has been resolved: tracing: Verify event formats that have "%p.." The trace event verifier checks the formats of trace events to make sure that they do not point at memory that is not in the trace event itself or in data that will never be freed. I...

UBUNTU-CVE-2025-37923

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix oob write in traceseqtobuffer syzbot reported this bug: ================================================================== BUG: KASAN: slab-out-of-bounds in traceseqtobuffer kernel/trace/trace.c:1830 inline BUG: KASA...

SUSE CVE-2022-49796

In the Linux kernel, the following vulnerability has been resolved: tracing: kprobe: Fix potential null-ptr-deref on tracearray in kprobeeventgentestexit When testgenkprobecmd failed after kprobeeventgencmdend, it will goto delete, which will call kprobeeventdelete and release the corresponding...

SUSE CVE-2022-49799

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix wild-memory-access in registersynthevent In registersynthevent, if setsyntheventprintfmt failed, then both traceremoveeventcall and unregistertraceevent will be called, which means the traceeventcall will call...

SUSE CVE-2022-49800

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix memory leak in testgensynthcmd and testemptysynthevent testgensynthcmd only free buf in fail path, hence buf will leak when there is no failure. Add kfreebuf to prevent the memleak. The same reason and solution in...

DEBIAN-CVE-2022-49800

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix memory leak in testgensynthcmd and testemptysynthevent testgensynthcmd only free buf in fail path, hence buf will leak when there is no failure. Add kfreebuf to prevent the memleak. The same reason and solution in...

CVE-2022-49891 tracing: kprobe: Fix memory leak in test_gen_kprobe/kretprobe_cmd()

In the Linux kernel, the following vulnerability has been resolved: tracing: kprobe: Fix memory leak in testgenkprobe/kretprobecmd testgenkprobecmd only free buf in fail path, hence buf will leak when there is no failure. Move kfreebuf from fail path to common path to prevent the memleak. The sam...

Linux kernel trace_osnoise timerlat_fd_open DoS

The vulnerability of the timerlatfdopen function in the kernel/trace/traceosnoise.c module, which supports Linux operating system tracing, is related to the assignment of the NULL pointer. Exploiting this vulnerability could allow an attacker to cause a service failure...

AZL-69527 CVE-2025-21899 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix bad hist from corrupting namedtriggers list The following commands causes a crash: cd /sys/kernel/tracing/events/rcu/rcucallback echo 'hist:name=bad:keys=commonpid:onmaxbogus.savecommonpid' trigger bash: echo: write...

UBUNTU-CVE-2025-21899

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix bad hist from corrupting namedtriggers list The following commands causes a crash: cd /sys/kernel/tracing/events/rcu/rcucallback echo 'hist:name=bad:keys=commonpid:onmaxbogus.savecommonpid' trigger bash: echo: write...

Linux kernel trace_clock_global buffer overflow DoS

The vulnerability of the traceclockglobal function in the kernel/trace/traceclock.c file, which supports Linux operating system debugging, is related to the occurrence of mutual locking. Exploiting this vulnerability could allow an attacker to cause a service failure...

CVE-2024-49570 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...

Linux kernel tracing DoS

The vulnerability of the Linux operating system’s kernel tracing component is related to the execution of operations beyond the buffer in memory. Exploiting this vulnerability can allow an attacker to cause a service failure...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: tracing: fprobe events: Fix possible UAF on modules Commit ac91052f0ae5 "tracing: tprobe-events: Fix leakage of module refcount" moved trymoduleget from findtracepointmodulecb to findtracepoint caller, but that introduced a...

Linux kernel tracing DoS

The vulnerability of the Linux operating system’s kernel tracing component is related to improper blocking. Exploiting this vulnerability can allow an attacker to cause a service failure...

SUSE CVE-2024-57930

In the Linux kernel, the following vulnerability has been resolved: tracing: Have processstring also allow arrays In order to catch a common bug where a TRACEEVENT TPfastassign assigns an address of an allocated string to the ring buffer and then references it in TPprintk, which can be executed...

tracing/timerlat: Fix a race during cpuhp processing

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OESA-2024-2502 bcc security update

BCC is a toolkit for creating efficient kernel tracing and manipulation programs, and includes several useful tools and examples. It makes use of extended BPF Berkeley Packet Filters, formally known as eBPF, a new feature that was first added to Linux 3.15. BCC makes BPF programs easier to write,...