Linux
Curated coverage and analysis in this editorial area.

Atril RCE via EPUB: Patch Available Nine Days Before Disclosure
ZDI-26-360: A heap buffer overflow in the MATE Desktop's Atril document viewer enables remote code execution through malicious EPUB fi…

systemd 261: Software TPM and Native Installer Rewrite the Rules
systemd 261 expands the project's scope well beyond its traditional init system role, introducing a software TPM based on IBM swtpm, a…

X.Org Server UAF CVE-2026-34001: Local Root Escalation on Linux
ZDI-26-335 discloses a use-after-free in X.Org Server's SyncTriggerList: CVSS 7.8, local attack with no user interaction, X.Org patch…

X.Org Server: Root LPE via XkbSetCompatMap; Patch Released
CVE-2026-33999 in X.Org Server enables local privilege escalation to root. Discovered by ZDI, the fix follows a coordinated disclosure…

ZDI-26-360: RCE Vulnerability in MATE’s Atril Document Viewer Patched in Version 1.26.4
A heap-based buffer overflow in the Atril EPUB parser (MATE Desktop) allows for remote code execution. The vulnerability is addressed…

ZDI-26-337: X.Org Server Vulnerability Enables Root Escalation on Linux
CVE-2026-34003 identifies a buffer overflow in the X.Org Server's CheckKeyTypes() function, allowing local privilege escalation to roo…

ZDI-26-336: X.Org Bug Exposes Sensitive Data, Enables Root Escalation
An out-of-bounds (OOB) read in X.Org Server’s CheckKeyActions allows local users to disclose sensitive memory. While the CVSS 6.1 scor…

CVE-2026-23111: Single-Character Logic Error Grants Root Access on Linux
An inverted check in the nf_tables subsystem enables local privilege escalation and container breakouts. With public exploits already…

C0XMO: Gafgyt Variant Targets DD-WRT Routers with Modular Scanner and Competitor-Killing Routine
The C0XMO variant of the Gafgyt botnet exploits CVE-2021-27137 in DD-WRT firmware, utilizing a modular architecture with a standalone…

CVE-2026-8936: Docker Desktop VM Panic Triggered via grpcfuse Recursion
A low-privileged container can trigger a VM panic in Docker Desktop through uncontrolled recursion in the grpcfuse module. The vulnera…

CIFSwitch: Linux Kernel Bug Grants Root Access on CentOS and Rocky Linux
CIFSwitch enables local privilege escalation to root across multiple Linux distributions. While a public PoC is available and an upstr…

CVE-2026-46333: Nine-Year-Old Linux Kernel Flaw Enables Root Escalation
Qualys researchers have disclosed CVE-2026-46333, a Linux kernel vulnerability dormant since 2016 that enables local privilege escalat…