Arm: Completion of memory accesses not guaranteed by completion of a TLBI

ISSUE DESCRIPTION A hardware issue has been identified in certain Arm CPU designs. A broadcast TLBI on one PE may complete before affected memory accesses on another PE are globally observed. This may permit bypass of Stage 1 translation, Stage 2 translation, or GPT protection. The erratum occurs...

GHSA-G3HP-F6MG-559V Sparkle's AppInstaller post-stage-1 XPC listener accepts unvalidated connections, allowing spoofed appcast item data injection

Summary AppInstaller post-stage-1 XPC listener accepts unvalidated connections, allowing spoofed appcast item data injection. Details Autoupdate/AppInstaller.m's shouldAcceptNewConnection: only enforces SUCodeSigningVerifier validateConnection: before stage 1 completes. After...

Sparkle's AppInstaller post-stage-1 XPC listener accepts unvalidated connections, allowing spoofed appcast item data injection

Summary AppInstaller post-stage-1 XPC listener accepts unvalidated connections, allowing spoofed appcast item data injection. Details Autoupdate/AppInstaller.m's shouldAcceptNewConnection: only enforces SUCodeSigningVerifier validateConnection: before stage 1 completes. After...

PT-2026-45020

Summary AppInstaller post-stage-1 XPC listener accepts unvalidated connections, allowing spoofed appcast item data injection. Details Autoupdate/AppInstaller.m's shouldAcceptNewConnection: only enforces SUCodeSigningVerifier validateConnection: before stage 1 completes. After...

How to transform your revolutionary idea into a reality: $100K Nokia Bell Labs Prize

Revolutionary ideas in science, technology, engineering, and mathematics don't occur every day. But when those "eureka" moments happen, we need to provide a forum to explore those ideas, judge them on their merits, and distinguish the extraordinary from the merely good. Once a year, Nokia Bell La...

ARM Trusted Firmware Authentication Vulnerability

ARM Trusted Firmware is an implementation of multiple ARM interface standards. A security vulnerability exists in the BL1 FWU SMC handling code in ARM Trusted Firmware versions prior to 1.4. The vulnerability can be exploited by an attacker with the help of a specially crafted AArch32 image to...

Exploit for Race Condition in Linux Linux_Kernel

ocoboroot.c linux AFPACKET race condition exploit exploit for...