CVE-2023-53793

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> perf tool x86: Fix perf_env memory leak<br /> <br /> Found by leak sanitizer:<br /> ```<br /> ==1632594==ERROR: LeakSanitizer: detected memory leaks<br /> <br /> Direct leak of 21 byte(s) in 1 object(s) allocated from:<br /> #0 0x7f2953a7077b in __interceptor_strdup ../../../../src/libsanitizer/asan/asan_interceptors.cpp:439<br /> #1 0x556701d6fbbf in perf_env__read_cpuid util/env.c:369<br /> #2 0x556701d70589 in perf_env__cpuid util/env.c:465<br /> #3 0x55670204bba2 in x86__is_amd_cpu arch/x86/util/env.c:14<br /> #4 0x5567020487a2 in arch__post_evsel_config arch/x86/util/evsel.c:83<br /> #5 0x556701d8f78b in evsel__config util/evsel.c:1366<br /> #6 0x556701ef5872 in evlist__config util/record.c:108<br /> #7 0x556701cd6bcd in test__PERF_RECORD tests/perf-record.c:112<br /> #8 0x556701cacd07 in run_test tests/builtin-test.c:236<br /> #9 0x556701cacfac in test_and_print tests/builtin-test.c:265<br /> #10 0x556701cadddb in __cmd_test tests/builtin-test.c:402<br /> #11 0x556701caf2aa in cmd_test tests/builtin-test.c:559<br /> #12 0x556701d3b557 in run_builtin tools/perf/perf.c:323<br /> #13 0x556701d3bac8 in handle_internal_command tools/perf/perf.c:377<br /> #14 0x556701d3be90 in run_argv tools/perf/perf.c:421<br /> #15 0x556701d3c3f8 in main tools/perf/perf.c:537<br /> #16 0x7f2952a46189 in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58<br /> <br /> SUMMARY: AddressSanitizer: 21 byte(s) leaked in 1 allocation(s).<br /> ```