CVE-2023-53859 s390/idle: mark arch_cpu_idle() noinstr

In the Linux kernel, the following vulnerability has been resolved: s390/idle: mark archcpuidle noinstr linux-next commit "cpuidle: tracing: Warn about !rcuiswatching" adds a new warning which hits on s390's archcpuidle function: RCU not on for: archcpuidle+0x0/0x28 WARNING: CPU: 2 PID: 0 at...

CVE-2023-53859

CVE-2023-53859 is a Linux kernel issue affecting the s390 idle path where arch_cpu_idle() was not marked noinstr, triggering an RCU-related warning during idle tracing. The affected sequence shows a warning: “RCU not on for: arch_cpu_idle+0x0/0x28” in arch_ftrace_ops_list_func, leading to a trace...

CVE-2023-53859 s390/idle: mark arch_cpu_idle() noinstr

In the Linux kernel, the following vulnerability has been resolved: s390/idle: mark archcpuidle noinstr linux-next commit "cpuidle: tracing: Warn about !rcuiswatching" adds a new warning which hits on s390's archcpuidle function: RCU not on for: archcpuidle+0x0/0x28 WARNING: CPU: 2 PID: 0 at...

GSD-2023-1001359 arm64: make is_ttbrX_addr() noinstr-safe

arm64: make isttbrXaddr noinstr-safe This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.10.163 by commit 0461a8c278b8fe74d19e58bc224327bef645e29...

GSD-2023-1001036 arm64: make is_ttbrX_addr() noinstr-safe

arm64: make isttbrXaddr noinstr-safe This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.15.86 by commit 9d05c20b0ac97a688f6f6747da45b4d1e287b806...

GSD-2023-1000613 arm64: make is_ttbrX_addr() noinstr-safe

arm64: make isttbrXaddr noinstr-safe This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v6.0.16 by commit f6cd079bb223312256428624af1e53fc5a291dd4...

PT-2023-33690 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v6.0.16 Description: The issue is related to the arm64 architecture in the Linux Kernel, specifically with the function is ttbrX addr being made noinstr-safe. The actual impact and potential for attack have not...