{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "kernel/trace/bpf_trace.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "3654ed5daf492463c3faa434c7000d45c2da2ace",
              "status": "affected",
              "version": "8c7dcb84e3b744b2b70baa7a44a9b1881c33a9c9",
              "versionType": "git"
            },
            {
              "lessThan": "a0ac32cf61e5a76e2429e486925a52ee41dd75e3",
              "status": "affected",
              "version": "8c7dcb84e3b744b2b70baa7a44a9b1881c33a9c9",
              "versionType": "git"
            },
            {
              "lessThan": "f2c67a3e60d1071b65848efaa8c3b66c363dd025",
              "status": "affected",
              "version": "8c7dcb84e3b744b2b70baa7a44a9b1881c33a9c9",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "kernel/trace/bpf_trace.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.0"
            },
            {
              "lessThan": "6.0",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.45",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.4.*",
              "status": "unaffected",
              "version": "6.4.10",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.5",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.45",
                  "versionStartIncluding": "6.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.4.10",
                  "versionStartIncluding": "6.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.5",
                  "versionStartIncluding": "6.0",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Disable preemption in bpf_perf_event_output\n\nThe nesting protection in bpf_perf_event_output relies on disabled\npreemption, which is guaranteed for kprobes and tracepoints.\n\nHowever bpf_perf_event_output can be also called from uprobes context\nthrough bpf_prog_run_array_sleepable function which disables migration,\nbut keeps preemption enabled.\n\nThis can cause task to be preempted by another one inside the nesting\nprotection and lead eventually to two tasks using same perf_sample_data\nbuffer and cause crashes like:\n\n  kernel tried to execute NX-protected page - exploit attempt? (uid: 0)\n  BUG: unable to handle page fault for address: ffffffff82be3eea\n  ...\n  Call Trace:\n   ? __die+0x1f/0x70\n   ? page_fault_oops+0x176/0x4d0\n   ? exc_page_fault+0x132/0x230\n   ? asm_exc_page_fault+0x22/0x30\n   ? perf_output_sample+0x12b/0x910\n   ? perf_event_output+0xd0/0x1d0\n   ? bpf_perf_event_output+0x162/0x1d0\n   ? bpf_prog_c6271286d9a4c938_krava1+0x76/0x87\n   ? __uprobe_perf_func+0x12b/0x540\n   ? uprobe_dispatcher+0x2c4/0x430\n   ? uprobe_notify_resume+0x2da/0xce0\n   ? atomic_notifier_call_chain+0x7b/0x110\n   ? exit_to_user_mode_prepare+0x13e/0x290\n   ? irqentry_exit_to_user_mode+0x5/0x30\n   ? asm_exc_int3+0x35/0x40\n\nFixing this by disabling preemption in bpf_perf_event_output."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-12-30T12:23:37.827Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/3654ed5daf492463c3faa434c7000d45c2da2ace"
        },
        {
          "url": "https://git.kernel.org/stable/c/a0ac32cf61e5a76e2429e486925a52ee41dd75e3"
        },
        {
          "url": "https://git.kernel.org/stable/c/f2c67a3e60d1071b65848efaa8c3b66c363dd025"
        }
      ],
      "title": "bpf: Disable preemption in bpf_perf_event_output",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2023-54303",
    "datePublished": "2025-12-30T12:23:37.827Z",
    "dateReserved": "2025-12-30T12:06:44.529Z",
    "dateUpdated": "2025-12-30T12:23:37.827Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-54303\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-12-30T13:16:19.437\",\"lastModified\":\"2025-12-31T20:42:43.210\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nbpf: Disable preemption in bpf_perf_event_output\\n\\nThe nesting protection in bpf_perf_event_output relies on disabled\\npreemption, which is guaranteed for kprobes and tracepoints.\\n\\nHowever bpf_perf_event_output can be also called from uprobes context\\nthrough bpf_prog_run_array_sleepable function which disables migration,\\nbut keeps preemption enabled.\\n\\nThis can cause task to be preempted by another one inside the nesting\\nprotection and lead eventually to two tasks using same perf_sample_data\\nbuffer and cause crashes like:\\n\\n  kernel tried to execute NX-protected page - exploit attempt? (uid: 0)\\n  BUG: unable to handle page fault for address: ffffffff82be3eea\\n  ...\\n  Call Trace:\\n   ? __die+0x1f/0x70\\n   ? page_fault_oops+0x176/0x4d0\\n   ? exc_page_fault+0x132/0x230\\n   ? asm_exc_page_fault+0x22/0x30\\n   ? perf_output_sample+0x12b/0x910\\n   ? perf_event_output+0xd0/0x1d0\\n   ? bpf_perf_event_output+0x162/0x1d0\\n   ? bpf_prog_c6271286d9a4c938_krava1+0x76/0x87\\n   ? __uprobe_perf_func+0x12b/0x540\\n   ? uprobe_dispatcher+0x2c4/0x430\\n   ? uprobe_notify_resume+0x2da/0xce0\\n   ? atomic_notifier_call_chain+0x7b/0x110\\n   ? exit_to_user_mode_prepare+0x13e/0x290\\n   ? irqentry_exit_to_user_mode+0x5/0x30\\n   ? asm_exc_int3+0x35/0x40\\n\\nFixing this by disabling preemption in bpf_perf_event_output.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/3654ed5daf492463c3faa434c7000d45c2da2ace\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/a0ac32cf61e5a76e2429e486925a52ee41dd75e3\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/f2c67a3e60d1071b65848efaa8c3b66c363dd025\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}