{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "kernel/trace/kprobe_event_gen_test.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "bb70fcae4115d24b7e8cee17a6da8b1943f546bb",
              "status": "affected",
              "version": "64836248dda20c8e7427b493f7e06d9bf8f58850",
              "versionType": "git"
            },
            {
              "lessThan": "3a41c0f2a5c3bf72b4c4e9dd4b1025378201e332",
              "status": "affected",
              "version": "64836248dda20c8e7427b493f7e06d9bf8f58850",
              "versionType": "git"
            },
            {
              "lessThan": "fd0efd4f7bfe611a8339ba01bc2ac3c33e79159d",
              "status": "affected",
              "version": "64836248dda20c8e7427b493f7e06d9bf8f58850",
              "versionType": "git"
            },
            {
              "lessThan": "e0d75267f59d7084e0468bd68beeb1bf9c71d7c0",
              "status": "affected",
              "version": "64836248dda20c8e7427b493f7e06d9bf8f58850",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "kernel/trace/kprobe_event_gen_test.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.6"
            },
            {
              "lessThan": "5.6",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.156",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.80",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.0.*",
              "status": "unaffected",
              "version": "6.0.10",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntracing: kprobe: Fix potential null-ptr-deref on trace_event_file in kprobe_event_gen_test_exit()\n\nWhen trace_get_event_file() failed, gen_kretprobe_test will be assigned\nas the error code. If module kprobe_event_gen_test is removed now, the\nnull pointer dereference will happen in kprobe_event_gen_test_exit().\nCheck if gen_kprobe_test or gen_kretprobe_test is error code or NULL\nbefore dereference them.\n\nBUG: kernel NULL pointer dereference, address: 0000000000000012\nPGD 0 P4D 0\nOops: 0000 [#1] SMP PTI\nCPU: 3 PID: 2210 Comm: modprobe Not tainted\n6.1.0-rc1-00171-g2159299a3b74-dirty #217\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS\nrel-1.15.0-0-g2dd4b9b3f840-prebuilt.qemu.org 04/01/2014\nRIP: 0010:kprobe_event_gen_test_exit+0x1c/0xb5 [kprobe_event_gen_test]\nCode: Unable to access opcode bytes at 0xffffffff9ffffff2.\nRSP: 0018:ffffc900015bfeb8 EFLAGS: 00010246\nRAX: ffffffffffffffea RBX: ffffffffa0002080 RCX: 0000000000000000\nRDX: ffffffffa0001054 RSI: ffffffffa0001064 RDI: ffffffffdfc6349c\nRBP: ffffffffa0000000 R08: 0000000000000004 R09: 00000000001e95c0\nR10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000800\nR13: ffffffffa0002420 R14: 0000000000000000 R15: 0000000000000000\nFS:  00007f56b75be540(0000) GS:ffff88813bc00000(0000)\nknlGS:0000000000000000\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: ffffffff9ffffff2 CR3: 000000010874a006 CR4: 0000000000330ee0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n \u003cTASK\u003e\n __x64_sys_delete_module+0x206/0x380\n ? lockdep_hardirqs_on_prepare+0xd8/0x190\n ? syscall_enter_from_user_mode+0x1c/0x50\n do_syscall_64+0x3f/0x90\n entry_SYSCALL_64_after_hwframe+0x63/0xcd"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-01T14:09:26.998Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/bb70fcae4115d24b7e8cee17a6da8b1943f546bb"
        },
        {
          "url": "https://git.kernel.org/stable/c/3a41c0f2a5c3bf72b4c4e9dd4b1025378201e332"
        },
        {
          "url": "https://git.kernel.org/stable/c/fd0efd4f7bfe611a8339ba01bc2ac3c33e79159d"
        },
        {
          "url": "https://git.kernel.org/stable/c/e0d75267f59d7084e0468bd68beeb1bf9c71d7c0"
        }
      ],
      "title": "tracing: kprobe: Fix potential null-ptr-deref on trace_event_file in kprobe_event_gen_test_exit()",
      "x_generator": {
        "engine": "bippy-1.1.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-49797",
    "datePublished": "2025-05-01T14:09:26.998Z",
    "dateReserved": "2025-05-01T14:05:17.224Z",
    "dateUpdated": "2025-05-01T14:09:26.998Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-49797\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-05-01T15:16:02.990\",\"lastModified\":\"2025-05-01T15:16:02.990\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ntracing: kprobe: Fix potential null-ptr-deref on trace_event_file in kprobe_event_gen_test_exit()\\n\\nWhen trace_get_event_file() failed, gen_kretprobe_test will be assigned\\nas the error code. If module kprobe_event_gen_test is removed now, the\\nnull pointer dereference will happen in kprobe_event_gen_test_exit().\\nCheck if gen_kprobe_test or gen_kretprobe_test is error code or NULL\\nbefore dereference them.\\n\\nBUG: kernel NULL pointer dereference, address: 0000000000000012\\nPGD 0 P4D 0\\nOops: 0000 [#1] SMP PTI\\nCPU: 3 PID: 2210 Comm: modprobe Not tainted\\n6.1.0-rc1-00171-g2159299a3b74-dirty #217\\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS\\nrel-1.15.0-0-g2dd4b9b3f840-prebuilt.qemu.org 04/01/2014\\nRIP: 0010:kprobe_event_gen_test_exit+0x1c/0xb5 [kprobe_event_gen_test]\\nCode: Unable to access opcode bytes at 0xffffffff9ffffff2.\\nRSP: 0018:ffffc900015bfeb8 EFLAGS: 00010246\\nRAX: ffffffffffffffea RBX: ffffffffa0002080 RCX: 0000000000000000\\nRDX: ffffffffa0001054 RSI: ffffffffa0001064 RDI: ffffffffdfc6349c\\nRBP: ffffffffa0000000 R08: 0000000000000004 R09: 00000000001e95c0\\nR10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000800\\nR13: ffffffffa0002420 R14: 0000000000000000 R15: 0000000000000000\\nFS:  00007f56b75be540(0000) GS:ffff88813bc00000(0000)\\nknlGS:0000000000000000\\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\\nCR2: ffffffff9ffffff2 CR3: 000000010874a006 CR4: 0000000000330ee0\\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\\nCall Trace:\\n \u003cTASK\u003e\\n __x64_sys_delete_module+0x206/0x380\\n ? lockdep_hardirqs_on_prepare+0xd8/0x190\\n ? syscall_enter_from_user_mode+0x1c/0x50\\n do_syscall_64+0x3f/0x90\\n entry_SYSCALL_64_after_hwframe+0x63/0xcd\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/3a41c0f2a5c3bf72b4c4e9dd4b1025378201e332\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/bb70fcae4115d24b7e8cee17a6da8b1943f546bb\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/e0d75267f59d7084e0468bd68beeb1bf9c71d7c0\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/fd0efd4f7bfe611a8339ba01bc2ac3c33e79159d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}