CVE-2023-53649

In the Linux kernel, the following vulnerability has been resolved: perf trace: Really free the evsel-priv area In 3cb4d5e00e037c70 "perf trace: Free syscall tp fields in evsel-priv" it only was freeing if strcmpevsel-tpformat-system, "syscalls" returned zero, while the corresponding initializati...

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 not properly freeing the evsel-priv region, which could lead to a memory leak...

kernel: perf trace: Really free the evsel->priv area

A memory leak flaw was found in the Linux kernel's perf trace tool in the event selector cleanup logic. A local user can trigger this issue by running perf trace commands, causing the tool to free memory based on an incorrect condition check that inverts the intended logic for non-syscall...