{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2023-53793", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-12-08T23:58:35.274Z", "datePublished": "2025-12-09T00:00:50.132Z", "dateUpdated": "2025-12-09T00:00:50.132Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-12-09T00:00:50.132Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nperf tool x86: Fix perf_env memory leak\n\nFound by leak sanitizer:\n```\n==1632594==ERROR: LeakSanitizer: detected memory leaks\n\nDirect leak of 21 byte(s) in 1 object(s) allocated from:\n #0 0x7f2953a7077b in __interceptor_strdup ../../../../src/libsanitizer/asan/asan_interceptors.cpp:439\n #1 0x556701d6fbbf in perf_env__read_cpuid util/env.c:369\n #2 0x556701d70589 in perf_env__cpuid util/env.c:465\n #3 0x55670204bba2 in x86__is_amd_cpu arch/x86/util/env.c:14\n #4 0x5567020487a2 in arch__post_evsel_config arch/x86/util/evsel.c:83\n #5 0x556701d8f78b in evsel__config util/evsel.c:1366\n #6 0x556701ef5872 in evlist__config util/record.c:108\n #7 0x556701cd6bcd in test__PERF_RECORD tests/perf-record.c:112\n #8 0x556701cacd07 in run_test tests/builtin-test.c:236\n #9 0x556701cacfac in test_and_print tests/builtin-test.c:265\n #10 0x556701cadddb in __cmd_test tests/builtin-test.c:402\n #11 0x556701caf2aa in cmd_test tests/builtin-test.c:559\n #12 0x556701d3b557 in run_builtin tools/perf/perf.c:323\n #13 0x556701d3bac8 in handle_internal_command tools/perf/perf.c:377\n #14 0x556701d3be90 in run_argv tools/perf/perf.c:421\n #15 0x556701d3c3f8 in main tools/perf/perf.c:537\n #16 0x7f2952a46189 in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58\n\nSUMMARY: AddressSanitizer: 21 byte(s) leaked in 1 allocation(s).\n```"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["tools/perf/arch/x86/util/env.c"], "versions": [{"version": "f7b58cbdb3ff36eba8622e67eee66c10dd1c9995", "lessThan": "75d65c1cc439606ada882755fd205d13c2c7907d", "status": "affected", "versionType": "git"}, {"version": "f7b58cbdb3ff36eba8622e67eee66c10dd1c9995", "lessThan": "010139bfc6bb9ddab81dbc2cf71cd3a9c28adc7f", "status": "affected", "versionType": "git"}, {"version": "f7b58cbdb3ff36eba8622e67eee66c10dd1c9995", "lessThan": "f3daf02a41e3c11e1a473517a8a6169248fb8e7b", "status": "affected", "versionType": "git"}, {"version": "f7b58cbdb3ff36eba8622e67eee66c10dd1c9995", "lessThan": "99d4850062a84564f36923764bb93935ef2ed108", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["tools/perf/arch/x86/util/env.c"], "versions": [{"version": "6.1", "status": "affected"}, {"version": "0", "lessThan": "6.1", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.39", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.3.13", "lessThanOrEqual": "6.3.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.4.4", "lessThanOrEqual": "6.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.5", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.1", "versionEndExcluding": "6.1.39"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.1", "versionEndExcluding": "6.3.13"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.1", "versionEndExcluding": "6.4.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.1", "versionEndExcluding": "6.5"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/75d65c1cc439606ada882755fd205d13c2c7907d"}, {"url": "https://git.kernel.org/stable/c/010139bfc6bb9ddab81dbc2cf71cd3a9c28adc7f"}, {"url": "https://git.kernel.org/stable/c/f3daf02a41e3c11e1a473517a8a6169248fb8e7b"}, {"url": "https://git.kernel.org/stable/c/99d4850062a84564f36923764bb93935ef2ed108"}], "title": "perf tool x86: Fix perf_env memory leak", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nperf tool x86: Fix perf_env memory leak\n\nFound by leak sanitizer:\n```\n==1632594==ERROR: LeakSanitizer: detected memory leaks\n\nDirect leak of 21 byte(s) in 1 object(s) allocated from:\n #0 0x7f2953a7077b in __interceptor_strdup ../../../../src/libsanitizer/asan/asan_interceptors.cpp:439\n #1 0x556701d6fbbf in perf_env__read_cpuid util/env.c:369\n #2 0x556701d70589 in perf_env__cpuid util/env.c:465\n #3 0x55670204bba2 in x86__is_amd_cpu arch/x86/util/env.c:14\n #4 0x5567020487a2 in arch__post_evsel_config arch/x86/util/evsel.c:83\n #5 0x556701d8f78b in evsel__config util/evsel.c:1366\n #6 0x556701ef5872 in evlist__config util/record.c:108\n #7 0x556701cd6bcd in test__PERF_RECORD tests/perf-record.c:112\n #8 0x556701cacd07 in run_test tests/builtin-test.c:236\n #9 0x556701cacfac in test_and_print tests/builtin-test.c:265\n #10 0x556701cadddb in __cmd_test tests/builtin-test.c:402\n #11 0x556701caf2aa in cmd_test tests/builtin-test.c:559\n #12 0x556701d3b557 in run_builtin tools/perf/perf.c:323\n #13 0x556701d3bac8 in handle_internal_command tools/perf/perf.c:377\n #14 0x556701d3be90 in run_argv tools/perf/perf.c:421\n #15 0x556701d3c3f8 in main tools/perf/perf.c:537\n #16 0x7f2952a46189 in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58\n\nSUMMARY: AddressSanitizer: 21 byte(s) leaked in 1 allocation(s).\n```"}], "id": "CVE-2023-53793", "lastModified": "2025-12-09T18:37:13.640", "metrics": {}, "published": "2025-12-09T01:16:50.827", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/010139bfc6bb9ddab81dbc2cf71cd3a9c28adc7f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/75d65c1cc439606ada882755fd205d13c2c7907d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/99d4850062a84564f36923764bb93935ef2ed108"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f3daf02a41e3c11e1a473517a8a6169248fb8e7b"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: perf tool x86: Fix perf_env memory leak", "id": "2420294", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2420294"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nperf tool x86: Fix perf_env memory leak\nFound by leak sanitizer:\n```\n==1632594==ERROR: LeakSanitizer: detected memory leaks\nDirect leak of 21 byte(s) in 1 object(s) allocated from:\n#0 0x7f2953a7077b in __interceptor_strdup ../../../../src/libsanitizer/asan/asan_interceptors.cpp:439\n#1 0x556701d6fbbf in perf_env__read_cpuid util/env.c:369\n#2 0x556701d70589 in perf_env__cpuid util/env.c:465\n#3 0x55670204bba2 in x86__is_amd_cpu arch/x86/util/env.c:14\n#4 0x5567020487a2 in arch__post_evsel_config arch/x86/util/evsel.c:83\n#5 0x556701d8f78b in evsel__config util/evsel.c:1366\n#6 0x556701ef5872 in evlist__config util/record.c:108\n#7 0x556701cd6bcd in test__PERF_RECORD tests/perf-record.c:112\n#8 0x556701cacd07 in run_test tests/builtin-test.c:236\n#9 0x556701cacfac in test_and_print tests/builtin-test.c:265\n#10 0x556701cadddb in __cmd_test tests/builtin-test.c:402\n#11 0x556701caf2aa in cmd_test tests/builtin-test.c:559\n#12 0x556701d3b557 in run_builtin tools/perf/perf.c:323\n#13 0x556701d3bac8 in handle_internal_command tools/perf/perf.c:377\n#14 0x556701d3be90 in run_argv tools/perf/perf.c:421\n#15 0x556701d3c3f8 in main tools/perf/perf.c:537\n#16 0x7f2952a46189 in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58\nSUMMARY: AddressSanitizer: 21 byte(s) leaked in 1 allocation(s).\n```"], "name": "CVE-2023-53793", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-12-09T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-53793\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-53793\nhttps://lore.kernel.org/linux-cve-announce/2025120941-CVE-2023-53793-0dc1@gregkh/T"], "threat_severity": "Low"}