Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: powerpc64/ftrace: fixed the issue where r15 was clobbered during livepatching. While r15 is always clobbered with PPCFTRACEOUTOFLINE, it is not restored during the livepatch sequence, resulting in less obvious failures, as...

CVE-2025-38233 powerpc64/ftrace: fix clobbered r15 during livepatching

In the Linux kernel, the following vulnerability has been resolved: powerpc64/ftrace: fix clobbered r15 during livepatching While r15 is clobbered always with PPCFTRACEOUTOFLINE, it is not restored in livepatch sequence leading to not so obvious fails like below: BUG: Unable to handle kernel data...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from the r15 register not being restored during ftrace live patching on the powerpc64 architecture...

PT-2025-28008 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux kernel versions 6.14.0 and later Description: The issue is related to the powerpc64/ftrace component of the Linux kernel, where the register r15 is clobbered during livepatching and not restored, leading to potential kernel crashes. Thi...