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CVE-2023-53793

Estado: AplazadaSin puntuar—

In the Linux kernel, the following vulnerability has been resolved:

perf tool x86: Fix perf_env memory leak

Found by leak sanitizer: ``` ==1632594==ERROR: LeakSanitizer: detected memory leaks

SUMMARY: AddressSanitizer: 21 byte(s) leaked in 1 allocation(s). ```

Detalles técnicos trazas, registros y código del informe original
Direct leak of 21 byte(s) in 1 object(s) allocated from:
    #0 0x7f2953a7077b in __interceptor_strdup ../../../../src/libsanitizer/asan/asan_interceptors.cpp:439
    #1 0x556701d6fbbf in perf_env__read_cpuid util/env.c:369
    #2 0x556701d70589 in perf_env__cpuid util/env.c:465
    #3 0x55670204bba2 in x86__is_amd_cpu arch/x86/util/env.c:14
    #4 0x5567020487a2 in arch__post_evsel_config arch/x86/util/evsel.c:83
    #5 0x556701d8f78b in evsel__config util/evsel.c:1366
    #6 0x556701ef5872 in evlist__config util/record.c:108
    #7 0x556701cd6bcd in test__PERF_RECORD tests/perf-record.c:112
    #8 0x556701cacd07 in run_test tests/builtin-test.c:236
    #9 0x556701cacfac in test_and_print tests/builtin-test.c:265
    #10 0x556701cadddb in __cmd_test tests/builtin-test.c:402
    #11 0x556701caf2aa in cmd_test tests/builtin-test.c:559
    #12 0x556701d3b557 in run_builtin tools/perf/perf.c:323
    #13 0x556701d3bac8 in handle_internal_command tools/perf/perf.c:377
    #14 0x556701d3be90 in run_argv tools/perf/perf.c:421
    #15 0x556701d3c3f8 in main tools/perf/perf.c:537
    #16 0x7f2952a46189 in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58

CVSS

NVD no ha asignado puntuación CVSS a esta CVE (habitual desde el cambio de política de abril de 2026).

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Linux — Linux KernelAI

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2023-53793",
  "cveTags": [],
  "metrics": {},
  "affected": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "affectedData": [
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "f7b58cbdb3ff36eba8622e67eee66c10dd1c9995",
              "lessThan": "75d65c1cc439606ada882755fd205d13c2c7907d",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "f7b58cbdb3ff36eba8622e67eee66c10dd1c9995",
              "lessThan": "010139bfc6bb9ddab81dbc2cf71cd3a9c28adc7f",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "f7b58cbdb3ff36eba8622e67eee66c10dd1c9995",
              "lessThan": "f3daf02a41e3c11e1a473517a8a6169248fb8e7b",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "f7b58cbdb3ff36eba8622e67eee66c10dd1c9995",
              "lessThan": "99d4850062a84564f36923764bb93935ef2ed108",
              "versionType": "git"
            }
          ],
          "programFiles": [
            "tools/perf/arch/x86/util/env.c"
          ],
          "defaultStatus": "unaffected"
        },
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.1"
            },
            {
              "status": "unaffected",
              "version": "0",
              "lessThan": "6.1",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "6.1.39",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "status": "unaffected",
              "version": "6.3.13",
              "versionType": "semver",
              "lessThanOrEqual": "6.3.*"
            },
            {
              "status": "unaffected",
              "version": "6.4.4",
              "versionType": "semver",
              "lessThanOrEqual": "6.4.*"
            },
            {
              "status": "unaffected",
              "version": "6.5",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
            "tools/perf/arch/x86/util/env.c"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2025-12-09T01:16:50.827",
  "references": [
    {
      "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",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Deferred",
  "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```"
    }
  ],
  "lastModified": "2026-06-17T06:46:04.990",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}