Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: octeontx2-af: Fixed the issue where the PF driver crashed during kexec kernel booting. During a kexec reboot, the hardware is not power-cycle, so the AF state from the old kernel can persist into the new kernel. When the AF and P...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: x86/mm, kexec, ima: Use memblockfreelate instead of imafreekexecbuffer. The code that calls imafreekexecbuffer is executed long after the memblock allocator has already been removed. This could lead to a use-after-free in...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: powerpc/kexec: Enable SMT before waking offline CPUs. If SMT is disabled or a partial SMT state is enabled, when a new kernel image is loaded for kexec, the following warning is observed upon reboot: kexec: Waking offline CPU 228...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: x86/kexec: fixed the memory leak in the elf header buffer. This issue was reported by the kmemleak detector: Unreferenced object 0xffffc900002a9000 size 4096: comm “kexec”, pid 14950, jiffies 4295110793 age 373.951s Hex dump firs...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: The imagetkexecbuffer function does not check whether the ima-kexec-buffer of the previous kernel lies outside the addressable memory range. This can lead to a kernel panic if the new kernel is booted with the mem=X argument, and...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kexec-tools (UTSA-2026-032932)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-032932 advisory. A flaw was found in the permissions of a log file created by kexec-tools. This flaw allows a local unprivileged user to read this file and leak kernel internal...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-107275)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-107275 advisory. In the Linux kernel, the following vulnerability has been resolved: virtio: break and reset virtio devices on deviceshutdown Hongyu reported a hang on kexec in a VM...

The vulnerability of the kho_fill_kimage() function in the kernel/liveupdate/kexec_handover.c module of the Linux operating system allows a hacker to trigger a service failure.

The vulnerability of the khofillkimage function in the kernel/liveupdate/kexechandover.c module of the Linux operating system is related to pointer manipulation. Exploiting this vulnerability could allow an attacker to cause a service failure...

The vulnerability of the relocate_kernel() function in Linux’s x86/kexec components allows attackers to compromise the confidentiality, integrity, and accessibility of protected information.

The vulnerability of the relocatekernel function in Linux’s x86/kexec components is related to buffer overflows in the stack. Exploiting this vulnerability allows an attacker to compromise the confidentiality, integrity, and accessibility of the protected information...

SUSE CVE-2026-72013

In the Linux kernel, the following vulnerability has been resolved: riscv: Prevent NULL pointer dereference in machinekexecprepare A NULL pointer dereference issue is noticed in riscv's machinekexecprepare, where image-segmenti.buf might be NULL and copied unchecked. The NULL buf comes from...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098675)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098675 advisory. In the Linux kernel, the following vulnerability has been resolved: virtio: break and reset virtio devices on deviceshutdown Hongyu reported a hang on kexec in a VM...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: x86/kexec: Fixed the double-free of the elf header buffer. After the patch provided by b3e34a47f989 “x86/kexec: fix memory leak of elf header buffer”, the use of image-elfheaders in the error path of crashloadsegments is no longe...

OESA-2026-3455 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: xfs: remove xfsattrleafhasname The calling convention of xfsattrleafhasname is problematic, because it returns a NULL buffer when xfsattr3leafread fails, a valid...

OESA-2026-3454 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: xfs: remove xfsattrleafhasname The calling convention of xfsattrleafhasname is problematic, because it returns a NULL buffer when xfsattr3leafread fails, a valid...

slot2 Amazon Linux 2023 UEFI Bootkit

slot2 is a two-stage UEFI GRUB2 bootkit designed to establish a persistent pre-OS implant on Amazon Linux 2023 x8664 EC2 instances. It installs a custom GRUB EFI image and Unified Kernel Image, creates a UEFI NVRAM boot entry ahead of the stock Amazon entry, executes an implant with network and...

Linux Distros Unpatched Vulnerability : CVE-2026-68455

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: liveupdate: validate session type before performing operation The sessions ioctls are not...

Linux Distros Unpatched Vulnerability : CVE-2026-72013

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - riscv: Prevent NULL pointer dereference in machinekexecprepare A NULL pointer dereference issue is noticed in riscv's machinekexecprepare, where...

CVE-2026-72013

A flaw was found in the Linux kernel. Specifically, within the riscv architecture's machinekexecprepare function, a NULL pointer dereference can occur. This vulnerability arises when a NULL buffer is copied without proper validation during the kexec preparation process. An attacker could...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-100157)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-100157 advisory. In the Linux kernel, the following vulnerability has been resolved: octeontx2-af: Fix PF driver crash with kexec kernel booting During a kexec reboot the hardware is...

The vulnerability of the kexec module in the Linux operating system allows a hacker to trigger a system failure.

The vulnerability of the kexec module in the Linux operating system is related to a deficiency in the mechanism for verifying the source of the code. Exploiting this vulnerability can allow an attacker to cause a system failure...