{ "schemaVersion": 1, "attribution": [ { "source": "CISA Known Exploited Vulnerabilities", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "licence": "US government work" }, { "source": "GitHub Advisory Database", "url": "https://github.com/advisories", "licence": "CC BY 4.0" }, { "source": "Have I Been Pwned", "url": "https://haveibeenpwned.com/", "licence": "CC BY 4.0" }, { "source": "CVE Program (CVE records)", "url": "https://www.cve.org/Legal/TermsOfUse", "licence": "CVE Terms of Use", "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.", "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." }, { "source": "FIRST EPSS", "url": "https://www.first.org/epss/", "licence": "free to use; FIRST requests attribution" } ], "record": { "id": "CVE-2023-53649", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-53649", "idYear": 2023, "status": "PUBLISHED", "publishedAt": "2025-10-07T15:19:46.459Z", "updatedAt": "2026-05-11T19:49:14.554Z", "importedAt": "2026-10-24T01:57:03.413Z", "snapshot": { "id": "cve_2026-10-24_midnight_baseline", "at": "2026-10-24T00:00:00.000Z", "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z" }, "facts": { "title": "perf trace: Really free the evsel->priv area", "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nperf trace: Really free the evsel->priv area\n\nIn 3cb4d5e00e037c70 (\"perf trace: Free syscall tp fields in\nevsel->priv\") it only was freeing if strcmp(evsel->tp_format->system,\n\"syscalls\") returned zero, while the corresponding initialization of\nevsel->priv was being performed if it was _not_ zero, i.e. if the tp\nsystem wasn't 'syscalls'.\n\nJust stop looking for that and free it if evsel->priv was set, which\nshould be equivalent.\n\nAlso use the pre-existing evsel_trace__delete() function.\n\nThis resolves these leaks, detected with:\n\n $ make EXTRA_CFLAGS=\"-fsanitize=address\" BUILD_BPF_SKEL=1 CORESIGHT=1 O=/tmp/build/perf-tools-next -C tools/perf install-bin\n\n =================================================================\n ==481565==ERROR: LeakSanitizer: detected memory leaks\n\n Direct leak of 40 byte(s) in 1 object(s) allocated from:\n #0 0x7f7343cba097 in calloc (/lib64/libasan.so.8+0xba097)\n #1 0x987966 in zalloc (/home/acme/bin/perf+0x987966)\n #2 0x52f9b9 in evsel_trace__new /home/acme/git/perf-tools-next/tools/perf/builtin-trace.c:307\n #3 0x52f9b9 in evsel__syscall_tp /home/acme/git/perf-tools-next/tools/perf/builtin-trace.c:333\n #4 0x52f9b9 in evsel__init_raw_syscall_tp /home/acme/git/perf-tools-next/tools/perf/builtin-trace.c:458\n #5 0x52f9b9 in perf_evsel__raw_syscall_newtp /home/acme/git/perf-tools-next/tools/perf/builtin-trace.c:480\n #6 0x540e8b in trace__add_syscall_newtp /home/acme/git/perf-tools-next/tools/perf/builtin-trace.c:3212\n #7 0x540e8b in trace__run /home/acme/git/perf-tools-next/tools/perf/builtin-trace.c:3891\n #8 0x540e8b in cmd_trace /home/acme/git/perf-tools-next/tools/perf/builtin-trace.c:5156\n #9 0x5ef262 in run_builtin /home/acme/git/perf-tools-next/tools/perf/perf.c:323\n #10 0x4196da in handle_internal_command /home/acme/git/perf-tools-next/tools/perf/perf.c:377\n #11 0x4196da in run_argv /home/acme/git/perf-tools-next/tools/perf/perf.c:421\n #12 0x4196da in main /home/acme/git/perf-tools-next/tools/perf/perf.c:537\n #13 0x7f7342c4a50f in __libc_start_call_main (/lib64/libc.so.6+0x2750f)\n\n Direct leak of 40 byte(s) in 1 object(s) allocated from:\n #0 0x7f7343cba097 in calloc (/lib64/libasan.so.8+0xba097)\n #1 0x987966 in zalloc (/home/acme/bin/perf+0x987966)\n #2 0x52f9b9 in evsel_trace__new /home/acme/git/perf-tools-next/tools/perf/builtin-trace.c:307\n #3 0x52f9b9 in evsel__syscall_tp /home/acme/git/perf-tools-next/tools/perf/builtin-trace.c:333\n #4 0x52f9b9 in evsel__init_raw_syscall_tp /home/acme/git/perf-tools-next/tools/perf/builtin-trace.c:458\n #5 0x52f9b9 in perf_evsel__raw_syscall_newtp /home/acme/git/perf-tools-next/tools/perf/builtin-trace.c:480\n #6 0x540dd1 in trace__add_syscall_newtp /home/acme/git/perf-tools-next/tools/perf/builtin-trace.c:3205\n #7 0x540dd1 in trace__run /home/acme/git/perf-tools-next/tools/perf/builtin-trace.c:3891\n #8 0x540dd1 in cmd_trace /home/acme/git/perf-tools-next/tools/perf/builtin-trace.c:5156\n #9 0x5ef262 in run_builtin /home/acme/git/perf-tools-next/tools/perf/perf.c:323\n #10 0x4196da in handle_internal_command /home/acme/git/perf-tools-next/tools/perf/perf.c:377\n #11 0x4196da in run_argv /home/acme/git/perf-tools-next/tools/perf/perf.c:421\n #12 0x4196da in main /home/acme/git/perf-tools-next/tools/perf/perf.c:537\n #13 0x7f7342c4a50f in __libc_start_call_main (/lib64/libc.so.6+0x2750f)\n\n SUMMARY: AddressSanitizer: 80 byte(s) leaked in 2 allocation(s).\n [root@quaco ~]#\n\nWith this we plug all leaks with \"perf trace sleep 1\".", "affected": [ { "vendor": "Linux", "product": "Linux", "defaultStatus": "unaffected", "versions": [ { "version": "3cb4d5e00e037c70f239173bdd399a7e6040830f", "status": "affected", "versionType": "git", "lessThan": "c3bc668581e71e7c3bc7eb1d647f25f8db222163" }, { "version": "3cb4d5e00e037c70f239173bdd399a7e6040830f", "status": "affected", "versionType": "git", "lessThan": "62dd514c34be63d3d5cae1f52a7e8b96c6dd6630" }, { "version": "3cb4d5e00e037c70f239173bdd399a7e6040830f", "status": "affected", "versionType": "git", "lessThan": "27f396f64537b1ae48d0644d7cbf0d250b3c0b33" }, { "version": "3cb4d5e00e037c70f239173bdd399a7e6040830f", "status": "affected", "versionType": "git", "lessThan": "7962ef13651a9163f07b530607392ea123482e8a" } ] }, { "vendor": "Linux", "product": "Linux", "defaultStatus": "affected", "versions": [ { "version": "5.14", "status": "affected" }, { "version": "0", "status": "unaffected", "versionType": "semver", "lessThan": "5.14" }, { "version": "5.15.132", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.15.*" }, { "version": "6.1.54", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.1.*" }, { "version": "6.5.4", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.5.*" }, { "version": "6.6", "status": "unaffected", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*" } ] } ] } } }