linux-kernel-exploitation

Linux Kernel Exploitation A collection of links related to Linux kernel security and exploitation. Updated bimonthly. Pull requests are welcome as well. Follow @andreyknvl on X, @[email protected] on Mastodon, or @andreyknvl on Bluesky to be notified of updates. Subscribe to @linkersec on...

needrestart

needrestart Informazioni needrestart verifica quali demoni devono essere riavviati dopo gli aggiornamenti delle librerie. Si ispira a checkrestart del pacchetto debian-goodies. Nella directory ex/ ci sono alcuni script hook da usare con apt e dpkg. Gli script chiameranno needrestart dopo ogni...

kernel: ipc: limit next_id allocation to the valid ID range

A flaw was found in the Linux kernel. The ipcidralloc function, used in the checkpoint/restore path for SysV Inter-Process Communication IPC ID allocation, does not properly limit ID allocation to the valid range. This can result in the system attempting to dereference freed memory, leading to a...

kernel: ipc: limit next_id allocation to the valid ID range

A flaw was found in the Linux kernel. The ipcidralloc function, used in the checkpoint/restore path for SysV Inter-Process Communication IPC ID allocation, does not properly limit ID allocation to the valid range. This can result in the system attempting to dereference freed memory, leading to a...

[SECURITY] Fedora 43 Update: systemd-258.10-1.fc43

systemd is a system and service manager that runs as PID 1 and starts the rest of the system. It provides aggressive parallelization capabilities, uses sock et and D-Bus activation for starting services, offers on-demand starting of daemons, keeps track of processes using Linux control groups,...

SUSE CVE-2026-52923

In the Linux kernel, the following vulnerability has been resolved: ipc: limit nextid allocation to the valid ID range The checkpoint/restore sysctl path can request the next SysV IPC id through ids-nextid. ipcidralloc currently forwards that request to idralloc with an open-ended upper bound. If...

EUVD-2026-39156

sys/kern/sysvsem.c in OpenBSD through 7.9 has a use-after-free allowing local privilege escalation to root. This is a context switch use-after-free after tsleep in syssemget...

CVE-2026-52923

A flaw was found in the Linux kernel. The ipcidralloc function, used in the checkpoint/restore path for SysV Inter-Process Communication IPC ID allocation, does not properly limit ID allocation to the valid range. This can result in the system attempting to dereference freed memory, leading to a...

[SECURITY] Fedora 43 Update: cups-2.4.17-1.fc43

CUPS printing system provides a portable printing layer for UNIX=C2=AE operating systems. It has been developed by Apple Inc. to promote a standard printing solution for all UNIX vendors and users. CUPS provides the System V and Berkeley command-line interfaces...

[SECURITY] Fedora 43 Update: systemd-258.7-1.fc43

systemd is a system and service manager that runs as PID 1 and starts the rest of the system. It provides aggressive parallelization capabilities, uses sock et and D-Bus activation for starting services, offers on-demand starting of daemons, keeps track of processes using Linux control groups,...

CVE-2023-54264

In the Linux kernel, the following vulnerability has been resolved: fs/sysv: Null check to prevent null-ptr-deref bug sbgetblkinode-isb, parent return a null ptr and taking lock on that leads to the null-ptr-deref bug...

Siemens SIMATIC S7-1500 Deadlock (CVE-2023-52699)

In the Linux kernel, the following vulnerability has been resolved: sysv: don't call sbbread with pointerslock held syzbot is reporting sleep in atomic context in SysV filesystem 1, for sbbread is called with rwspinlock held. A writelock&pointerslock = readlock&pointerslock deadlock bug and a...

Metasploit Wrap-Up 10/24/2025

Let us suggest persistence… This week's edition brings the new persistence suggester from h00die. Similar to the exploit variant, this module will list the available persistence mechanisms for your selected target. The module requires a session to target the machine, so it can run check methods...

Service System V Persistence

This module will create a service via System V on the box, and mark it for auto-restart. We need enough access to write service files and potentially restart services. Some systems include backwards compatibility, such as Ubuntu up to about 16.04. Targets: CentOS use...

EUVD-2015-6584

Malware in sbrugna...

EUVD-1999-1015

Malware in sbrugna...

EUVD-2001-1377

Malware in sbrugna...

[SECURITY] Fedora 41 Update: cups-2.4.14-1.fc41

CUPS printing system provides a portable printing layer for UNIX=C2=AE operating systems. It has been developed by Apple Inc. to promote a standard printing solution for all UNIX vendors and users. CUPS provides the System V and Berkeley command-line interfaces...

Linux Distros Unpatched Vulnerability : CVE-2015-6646

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - The System V IPC implementation in the kernel in Android before 6.0 2016-01-01 allows attackers to cause a denial of service global kernel resource consumption ...

CLSA-2025-1751042683 Update of tzdata

Upgrade to tzdata-2025b - New zone for Aysén Region in Chile which moves from -04/-03 to -03. - Paraguay adopted permanent -03 starting spring 2024. - Improve pre-1991 data for the Philippines. - Etc/Unknown is now reserved. - Improve historical data for Mexico, Mongolia, and Portugal. - System V...