Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ARM: 9317/1: kexec: Make smp stop calls asynchronous If a panic is triggered by a hrtimer interrupt, all online CPUs will be notified and set to offline. However, as highlighted in the commit 19dbdcb8039c “smp: Warn on functio...

CVE-2023-53712

CVE-2023-53712 relates to the Linux kernel ARM kexec crash handling where the SMP stop notification can be triggered synchronously with interrupts disabled during a crash path. The root issue occurs when a panic is caused by a hrtimer interrupt, which would notify all online CPUs and set them off...