PT-2026-98077

In the Linux kernel, the following vulnerability has been resolved: perf/ftrace: Fix WARNING in unregister ftrace function perf ftrace function unregister unconditionally calls unregister ftrace function without checking whether the ftrace ops was ever successfully registered. This triggers a WAR...

CVE-2023-53557

In the Linux kernel, the following vulnerability has been resolved: fprobe: Release rethook after the ftraceops is unregistered While running bpf selftests it's possible to get following fault: general protection fault, probably for non-canonical address \ 0x6b6b6b6b6b6b6b6b: 0000 1 PREEMPT SMP...

CVE-2023-53557

CVE-2023-53557 affects the Linux kernel fprobe path used for kernel tracing. The root cause is releasing fp->rethook while fp->ops may still be used by other CPUs, leading to a general protection fault during bpf selftests. The fix is to move the rethook release to occur after the ftrace_op...

EUVD-2022-55257

Malicious code in bioql PyPI...

kernel: ftrace: Fix NULL pointer dereference in is_ftrace_trampoline when ftrace is dead

In the Linux kernel, the following vulnerability has been resolved: ftrace: Fix NULL pointer dereference in isftracetrampoline when ftrace is dead ftracestartup does not remove ops from ftraceopslist when ftracestartupenable fails: registerftracefunction ftracestartup registerftracefunction...

kernel: ftrace: Fix NULL pointer dereference in is_ftrace_trampoline when ftrace is dead

In the Linux kernel, the following vulnerability has been resolved: ftrace: Fix NULL pointer dereference in isftracetrampoline when ftrace is dead ftracestartup does not remove ops from ftraceopslist when ftracestartupenable fails: registerftracefunction ftracestartup registerftracefunction...