Linux
Curated coverage and analysis in this editorial area.
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.
DirtyClone: The Fourth Variant in the DirtyFrag Family
CVE-2026-43503, the fourth variant in the DirtyFrag family, exploits cloned packets to corrupt file-backed memory. JFrog published a f…
Unraid: Command Injection in ToggleState.php Enables RCE
CVE-2026-9773 in the Unraid web server: command injection in ToggleState.php allows authenticated remote code execution. CVSS 8.8, fix…
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…
The Fake kworker: How APTs Masquerade Linux Processes
Ps and top become unreliable: APTs overwrite argv[0] and use prctl to impersonate kworker. eBPF tools like Kunai detect the real binar…
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…