{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-49797",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-05-01T14:05:17.224Z",
        "datePublished": "2025-05-01T14:09:26.998Z",
        "dateUpdated": "2026-05-11T19:06:58.372Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:06:58.372Z"
            },
            "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 <TASK>\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"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "kernel/trace/kprobe_event_gen_test.c"
                    ],
                    "versions": [
                        {
                            "version": "64836248dda20c8e7427b493f7e06d9bf8f58850",
                            "lessThan": "bb70fcae4115d24b7e8cee17a6da8b1943f546bb",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "64836248dda20c8e7427b493f7e06d9bf8f58850",
                            "lessThan": "3a41c0f2a5c3bf72b4c4e9dd4b1025378201e332",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "64836248dda20c8e7427b493f7e06d9bf8f58850",
                            "lessThan": "fd0efd4f7bfe611a8339ba01bc2ac3c33e79159d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "64836248dda20c8e7427b493f7e06d9bf8f58850",
                            "lessThan": "e0d75267f59d7084e0468bd68beeb1bf9c71d7c0",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "kernel/trace/kprobe_event_gen_test.c"
                    ],
                    "versions": [
                        {
                            "version": "5.6",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.6",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.156",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.80",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.0.10",
                            "lessThanOrEqual": "6.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1",
                            "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": "5.6",
                                    "versionEndExcluding": "5.10.156"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.6",
                                    "versionEndExcluding": "5.15.80"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.6",
                                    "versionEndExcluding": "6.0.10"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.6",
                                    "versionEndExcluding": "6.1"
                                }
                            ]
                        }
                    ]
                }
            ],
            "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-1.2.0"
            }
        }
    }
}