Linux
Curated coverage and analysis in this editorial area.
Masquerading Linux: When ps Lies and eBPF Exposes the Truth
A SANS ISC post demonstrates how prctl and argv overwriting make ps and top unreliable on Linux, and why only eBPF tools like Kunai ca…
CVE-2026-46331: Linux 'pedit COW' Exploit Gains Root in 24 Hours
A Linux kernel bug corrupts the page cache of setuid binaries such as /bin/su without touching disk, bypassing all integrity checks.
Linux Process Masquerading Tricks ps and top
On Linux, malicious processes mask their name and command line by abusing prctl and argv memory overwrites. Standard tools like ps and…
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…
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…
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…
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…
Fragnesia Flaw Enables Local Root via Linux Page Cache Corruption
CVE-2026-46300 allows local root escalation on Linux by corrupting read-only files in memory. With a public PoC available and patches…
Dirty Frag LPE Chain: Deterministic Linux Root Access via Single Command
Dirty Frag exploits two Linux kernel vulnerabilities to achieve deterministic local privilege escalation to root. With a public PoC av…
Linux ‘Copy Fail’ Under Active Attack: CISA Sets May 15 Patch Deadline
CISA has added CVE-2026-31431, known as 'Copy Fail,' to its KEV catalog following reports of active exploitation. The stealthy 732-byt…