CVE-2023-53656: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: drivers/perf: hisi: Don't migrate perf to the CPU going to teardown The driver needs to migrate the perf context if the current using CPU going to teardown. By the time calling the cpuhp::teardown callback the cpuonlinemask hasn'...

CVE-2024-38568: Improper Validation of Array Index

In the Linux kernel, the following vulnerability has been resolved: drivers/perf: hisi: hns3: Fix out-of-bound access when valid event group The perf tool allows users to create event groups through following cmd 1, but the driver does not check whether the array index is out of bounds when writi...

CVE-2023-52860: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: drivers/perf: hisi: use cpuhpstateremoveinstancenocalls for hisihns3pmu uninit process When tearing down a 'hisihns3' PMU, we mistakenly run the CPU hotplug callbacks after the device has been unregistered, leading to fireworks...

CVE-2023-52859: Use After Free

In the Linux kernel, the following vulnerability has been resolved: perf: hisi: Fix use-after-free when register pmu fails When we fail to register the uncore pmu, the pmu context may not been allocated. The error handing will call cpuhpstateremoveinstance to call uncore pmu offline callback, whi...