Fragnesia: Linux Kernel Local Privilege Escalation via ESP-in-TCP
Wiz discloses 'Fragnesia,' a new Linux kernel page-cache corruption bug in the ESP-in-TCP path enabling unprivileged local-to-root escalation — part of the growing Dirty Frag exploit family.
Summary written by editorial AI · Source link below
A new page-cache corruption vulnerability in the Dirty Frag family enables unprivileged local attackers to achieve root
Editorial Analysis
Local privilege escalation to root from an unprivileged user is a container-escape and lateral-movement enabler; the Dirty Frag family is actively researched and likely to see rapid weaponisation.
Check kernel version exposure, especially on multi-tenant and container hosts; apply patches or disable ESP-in-TCP if not required.
A new Linux kernel privilege-escalation vulnerability could enable container escapes across cloud infrastructure — rapid patching advised.
Forward-looking interpretation drafted by editorial AI under human review — not a reproduction of the source. See methodology.
External link — opens at Wiz Blog in a new tab.
More from the Vulnerabilities Desk
- SonicWall warns of new SSL-VPN MFA bypass flaw exploited in attacks3d
- QNAP says hackers breaching NAS devices in Plex2Shell attacks3d
- Installing the Fix for an Exploited WordPress Flaw Can Expose Some Sites One Last Time3d
- [NEU] [mittel] JetBrains CLion: Mehrere Schwachstellen3d
- [UPDATE] [mittel] Keycloak: Mehrere Schwachstellen3d