TriforceAFL

New: For those looking to play with TriforceAFL and TLSF, Richard Johnson created a Dockerfile which installs both and even builds a Linux kernel for you. It's available here https://hub.docker.com/r/moflow/afl-triforce/tags/. Also new: afl-tmin now works with the forkserver!...

CVE-2026-79611

A flaw was found in Xen. A user inside a guest virtual machine can cause a Denial of Service DoS of that guest by enabling a specific combination of processor debugging and branch tracing states. Due to improper state handling during hardware virtualization transitions, the hypervisor triggers a...

Linux Distros Unpatched Vulnerability : CVE-2026-79611

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - For XSA-308 logic was introduced, as VMX VMEntry checks do not like the exact combination of state which occurs when DB in intercepted, Single Stepping is activ...

UBUNTU-CVE-2026-79611

For XSA-308 logic was introduced, as VMX VMEntry checks do not like the exact combination of state which occurs when DB in intercepted, Single Stepping is active, and blocked by STI/MovSS is active, despite this being a legitimate state to be in. The resulting VMEntry failure is fatal to the gues...

CVE-2026-79611

For XSA-308 logic was introduced, as VMX VMEntry checks do not like the exact combination of state which occurs when DB in intercepted, Single Stepping is active, and blocked by STI/MovSS is active, despite this being a legitimate state to be in. The resulting VMEntry failure is fatal to the gues...

SUSE CVE-2026-79611

For XSA-308 logic was introduced, as VMX VMEntry checks do not like the exact combination of state which occurs when DB in intercepted, Single Stepping is active, and blocked by STI/MovSS is active, despite this being a legitimate state to be in. The resulting VMEntry failure is fatal to the gues...

ALPINE-CVE-2026-79611

For XSA-308 logic was introduced, as VMX VMEntry checks do not like the exact combination of state which occurs when DB in intercepted, Single Stepping is active, and blocked by STI/MovSS is active, despite this being a legitimate state to be in. The resulting VMEntry failure is fatal to the gues...

CVE-2026-79611

For XSA-308 logic was introduced, as VMX VMEntry checks do not like the exact combination of state which occurs when DB in intercepted, Single Stepping is active, and blocked by STI/MovSS is active, despite this being a legitimate state to be in. The resulting VMEntry failure is fatal to the gues...

CVE-2026-79611

The Xen hypervisor is vulnerable to a VMEntry failure caused by logic introduced in XSA-308 . The issue occurs when a specific combination of states is met: #DB is intercepted, Single Stepping is active, and it is blocked by STI/MovSS . Additionally, a special sub-case exists when branch tracing ...

CVE-2026-79611 VMX: VMentry failure with branch tracing and blocked states

For XSA-308 logic was introduced, as VMX VMEntry checks do not like the exact combination of state which occurs when DB in intercepted, Single Stepping is active, and blocked by STI/MovSS is active, despite this being a legitimate state to be in. The resulting VMEntry failure is fatal to the gues...

CVE-2026-79611

For XSA-308 logic was introduced, as VMX VMEntry checks do not like the exact combination of state which occurs when DB in intercepted, Single Stepping is active, and blocked by STI/MovSS is active, despite this being a legitimate state to be in. The resulting VMEntry failure is fatal to the gues...

CVE-2026-79611

For XSA-308 logic was introduced, as VMX VMEntry checks do not like the exact combination of state which occurs when DB in intercepted, Single Stepping is active, and blocked by STI/MovSS is active, despite this being a legitimate state to be in. The resulting VMEntry failure is fatal to the gues...

CVE-2026-79611 VMX: VMentry failure with branch tracing and blocked states

For XSA-308 logic was introduced, as VMX VMEntry checks do not like the exact combination of state which occurs when DB in intercepted, Single Stepping is active, and blocked by STI/MovSS is active, despite this being a legitimate state to be in. The resulting VMEntry failure is fatal to the gues...

EUVD-2026-98828

For XSA-308 logic was introduced, as VMX VMEntry checks do not like the exact combination of state which occurs when DB in intercepted, Single Stepping is active, and blocked by STI/MovSS is active, despite this being a legitimate state to be in. The resulting VMEntry failure is fatal to the gues...

VMX: VMentry failure with branch tracing and blocked states

ISSUE DESCRIPTION For XSA-308 logic was introduced, as VMX VMEntry checks do not like the exact combination of state which occurs when DB in intercepted, Single Stepping is active, and blocked by STI/MovSS is active, despite this being a legitimate state to be in. The resulting VMEntry failure is...

PT-2026-111667

Name of the Vulnerable Software and Affected Versions XenServer versions 8.4 through 9 Description A logic error exists in the handling of XSA-308 where VMX VMEntry checks fail when a specific state combination occurs: DB is intercepted, Single Stepping is active, and blocked by STI/MovSS is...

CVE-2026-79611: Undefined Security Weakness

For XSA-308 logic was introduced, as VMX VMEntry checks do not like the exact combination of state which occurs when DB in intercepted, Single Stepping is active, and blocked by STI/MovSS is active, despite this being a legitimate state to be in. The resulting VMEntry failure is fatal to the gues...