Linux Cleans Up The Syscall Doorway
A Thomas Gleixner patch series slated for Linux 7.3 tightens the kernel's syscall entry path, making stack randomization more consistent and the x86 syscall logic easier to follow.
// Topic
Kernel
Linux Hardens A Realtek Wi-Fi Driver Against Bad Access Points
Linux staging fixes are tightening the Realtek RTL8723BS Wi-Fi driver against malformed over-the-air data from malicious access points, closing several out-of-bounds paths in old driver code.
Linux Has Another Page-Cache Root Bug
DirtyDecrypt is the latest Linux local privilege escalation tied to page-cache corruption, and public proof-of-concept code makes it a priority for rolling-release systems and exposed developer workstations.
Linux 7.1-rc4 Shows the Kernel Is Normalizing AI in the Development Loop
Linux 7.1-rc4 brings the usual pile of hardware fixes and security updates, but the more interesting shift is procedural: the kernel is documenting responsible AI use and what qualifies as a security bug.
A Linux Kernel Bug Is Letting Local Users Read Files They Should Never See
ssh-keysign-pwn is a Linux kernel flaw that lets unprivileged local users read root-owned files on affected systems, including SSH host keys and shadow password data.
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