Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: powerpc/kprobes: Fixed a null pointer reference in archpreparekprobe I found a null pointer reference in archpreparekprobe: echo 'p cmdlineprocshow' kprobeevents echo 'p cmdlineprocshow+16' kprobeevents The kernel attempted to re...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: x86/kprobes: Updates the kcb status flag after single-stepping. The kprobes function is fixed to update the kcb kprobes control block status flag to KPROBEHITSSDONE, even if the kp-posthandler is not set. This bug may cause a...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: kprobes: don't call disarmkprobe for disabled kprobes The assumption in disablekprobe is wrong, and it could try to disarm an already disarmed kprobe and fire the WARNONCE below. 0 We can easily reproduce this issue. 1. Write 0 t...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: tracing/eprobes: Ensure that event probes are consistent with kprobes and uprobes. Currently, if the symbol “@” is attempted to be used with an event probe eprobes, it will cause a NULL pointer dereference crash. Both kprobes...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: kprobes/x86: Use copyfromkernelnofault to read from an unsafe address. Reading from an unsafe address using copyfromkernelnofault in archadjustkprobeaddr is allowed because this function is called before checking whether the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: kprobes: Fixed a possible use-after-free issue during kprobe registration. When unloading a module, its state changes from MODULESTATELIVE to MODULESTATEGOING, and then to MODULESTATEUNFORMED. Each of these changes takes some...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: kprobes: The posthandler of aggrprobe is cleared in the case where kprobe-on-ftrace is used. In unregisterkprobetop, if the currently unregistered probe has a posthandler, but other child probes of aggrprobe do not have a...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-021557)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-021557 advisory. In the Linux kernel, the following vulnerability has been resolved: kprobes: Fix check for probe enabled in killkprobe In killkprobe, the check whether...

SUSE CVE-2026-43409

In the Linux kernel, the following vulnerability has been resolved: kprobes: avoid crash when rmmod/insmod after ftrace killed After we hit ftrace is killed by some errors, the kernel crash if we remove modules in which kprobe probes. BUG: unable to handle page fault for address: fffffbfff805000d...

CVE-2026-43409

A flaw was found in the Linux kernel's kprobes subsystem. When the ftrace tracing utility is disabled due to errors, a local user can cause a system crash by removing a kernel module that uses kprobe probes. This vulnerability arises from kprobes not correctly handling the ftrace disabled state,...

EUVD-2026-28715

In the Linux kernel, the following vulnerability has been resolved: kprobes: avoid crash when rmmod/insmod after ftrace killed After we hit ftrace is killed by some errors, the kernel crash if we remove modules in which kprobe probes. BUG: unable to handle page fault for address: fffffbfff805000d...

CVE-2026-43409

In the Linux kernel, the following vulnerability has been resolved: kprobes: avoid crash when rmmod/insmod after ftrace killed After we hit ftrace is killed by some errors, the kernel crash if we remove modules in which kprobe probes. BUG: unable to handle page fault for address: fffffbfff805000d...

CVE-2026-43409

In the Linux kernel, the following vulnerability has been resolved: kprobes: avoid crash when rmmod/insmod after ftrace killed After we hit ftrace is killed by some errors, the kernel crash if we remove modules in which kprobe probes. BUG: unable to handle page fault for address: fffffbfff805000d...

CVE-2026-43409

CVE-2026-43409 affects the Linux kernel kprobes subsystem: when ftrace is disabled due to errors, removing a module that uses kprobes can crash the system because kprobes_ftrace_disabled is not correctly handled. Root cause: kprobe_ftrace_disabled flag mishandling in __disarm_kprobe_ftrace(). Mit...

CVE-2026-43409 kprobes: avoid crash when rmmod/insmod after ftrace killed

In the Linux kernel, the following vulnerability has been resolved: kprobes: avoid crash when rmmod/insmod after ftrace killed After we hit ftrace is killed by some errors, the kernel crash if we remove modules in which kprobe probes. BUG: unable to handle page fault for address: fffffbfff805000d...

CVE-2026-43409

In the Linux kernel, the following vulnerability has been resolved: kprobes: avoid crash when rmmod/insmod after ftrace killed After we hit ftrace is killed by some errors, the kernel crash if we remove modules in which kprobe probes. BUG: unable to handle page fault for address: fffffbfff805000d...

PT-2026-39070

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A crash can occur in the Linux kernel when removing or inserting modules that contain kprobe probes after ftrace has been killed due to errors. This happens because kprobes on ftrace do...

Linux Distros Unpatched Vulnerability : CVE-2026-43409

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - kprobes: avoid crash when rmmod/insmod after ftrace killed After we hit ftrace is killed by some errors, the kernel crash if we remove modules in which kprobe...

CVE-2025-1272

The Linux Kernel lockdown mode for kernel versions starting on 6.12 and above for Fedora Linux has the lockdown mode disabled without any warning. This may allow an attacker to gain access to sensitive information such kernel memory mappings, I/O ports, BPF and kprobes. Additionally unsigned...

OESA-2026-1075 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: powerpc/kprobes: Fix null pointer reference in archpreparekprobe I found a null pointer reference in archpreparekprobe: echo 'p cmdlineprocshow' kprobeevents ech...