kernel: s390/cpum_sf: Handle CPU hotplug remove during sampling

A vulnerability was found in the Linux Kernel. This issue affects performance monitoring on the s390 architecture during specific CPU hotplug scenarios...

CVE-2024-57849: Use After Free

In the Linux kernel, the following vulnerability has been resolved: s390/cpumsf: Handle CPU hotplug remove during sampling CPU hotplug remove handling triggers the following function call sequence: CPUHPAPPERFS390SFONLINE -- s390pmusfofflinecpu ... CPUHPAPPERFONLINE -- perfeventexitcpu The s390...

CVE-2024-56706: Out-of-bounds Read

In the Linux kernel, the following vulnerability has been resolved: s390/cpumsf: Fix and protect memory allocation of SDBs with mutex Reservation of the PMU hardware is done at first event creation and is protected by a pair of mutexlock and mutexunlock. After reservation of the PMU hardware the...