EUVD-2021-23305

Malware in sbrugna...

CVE-2021-36710

ToaruOS 1.99.2 is affected by incorrect access control via the kernel. Improper MMU management and having a low GDT address allows it to be mapped in userland. A call gate can then be written to escalate to CPL 0...

CVE-2021-36710

ToaruOS 1.99.2 is affected by incorrect access control via the kernel. Improper MMU management and having a low GDT address allows it to be mapped in userland. A call gate can then be written to escalate to CPL 0...

Design/Logic Flaw

ToaruOS 1.99.2 is affected by incorrect access control via the kernel. Improper MMU management and having a low GDT address allows it to be mapped in userland. A call gate can then be written to escalate to CPL 0...

CVE-2021-36710

CVE-2021-36710 affects ToaruOS 1.99.2, with incorrect kernel access control due to improper MMU management and a low GDT address that allows userland mapping. This enables writing a call gate to escalate to CPL 0, per multiple connected sources (Red Hat, NVD, PRION/PT-PT, CNNVD, etc.). No public ...

CVE-2021-36710

ToaruOS 1.99.2 is affected by incorrect access control via the kernel. Improper MMU management and having a low GDT address allows it to be mapped in userland. A call gate can then be written to escalate to CPL 0...

Linux/x86 Memory Sinkhole Proof Of Concept

; memory sinkhole proof of concept ; hijack ring -2 execution through the apic overlay attack. ; deployed in ring 0 ; the SMBASE register of the core under attack TARGETSMBASE equ 0x1f5ef800 ; the location of the attack GDT. ; this is determined by which register will be read out of the APIC ; fo...