{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2023-53167",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-09-15T13:59:19.063Z",
        "datePublished": "2025-09-15T14:03:56.025Z",
        "dateUpdated": "2026-05-11T19:39:34.087Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:39:34.087Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntracing: Fix null pointer dereference in tracing_err_log_open()\n\nFix an issue in function 'tracing_err_log_open'.\nThe function doesn't call 'seq_open' if the file is opened only with\nwrite permissions, which results in 'file->private_data' being left as null.\nIf we then use 'lseek' on that opened file, 'seq_lseek' dereferences\n'file->private_data' in 'mutex_lock(&m->lock)', resulting in a kernel panic.\nWriting to this node requires root privileges, therefore this bug\nhas very little security impact.\n\nTracefs node: /sys/kernel/tracing/error_log\n\nExample Kernel panic:\n\nUnable to handle kernel NULL pointer dereference at virtual address 0000000000000038\nCall trace:\n mutex_lock+0x30/0x110\n seq_lseek+0x34/0xb8\n __arm64_sys_lseek+0x6c/0xb8\n invoke_syscall+0x58/0x13c\n el0_svc_common+0xc4/0x10c\n do_el0_svc+0x24/0x98\n el0_svc+0x24/0x88\n el0t_64_sync_handler+0x84/0xe4\n el0t_64_sync+0x1b4/0x1b8\nCode: d503201f aa0803e0 aa1f03e1 aa0103e9 (c8e97d02)\n---[ end trace 561d1b49c12cf8a5 ]---\nKernel panic - not syncing: Oops: Fatal exception"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "kernel/trace/trace.c"
                    ],
                    "versions": [
                        {
                            "version": "8a062902be725f647dc8da532b04d836546a369a",
                            "lessThan": "93114cbc7cb169f6f26eeaed5286b91bb86b463b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8a062902be725f647dc8da532b04d836546a369a",
                            "lessThan": "7060e5aac6dc195124c106f49106d653a416323a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8a062902be725f647dc8da532b04d836546a369a",
                            "lessThan": "3b5d9b7b875968a8a8c99dac45cb85b705c44802",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8a062902be725f647dc8da532b04d836546a369a",
                            "lessThan": "938d5b7a75e18264887387ddf9169db6d8aeef98",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8a062902be725f647dc8da532b04d836546a369a",
                            "lessThan": "1e1c9aa9288a46c342f0f2c5c0b1c0876b9b0276",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8a062902be725f647dc8da532b04d836546a369a",
                            "lessThan": "02b0095e2fbbc060560c1065f86a211d91e27b26",
                            "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/trace.c"
                    ],
                    "versions": [
                        {
                            "version": "5.2",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.2",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.251",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.188",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.121",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.40",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.4.5",
                            "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": "5.2",
                                    "versionEndExcluding": "5.4.251"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.2",
                                    "versionEndExcluding": "5.10.188"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.2",
                                    "versionEndExcluding": "5.15.121"
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                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.2",
                                    "versionEndExcluding": "6.1.40"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.2",
                                    "versionEndExcluding": "6.4.5"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.2",
                                    "versionEndExcluding": "6.5"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/93114cbc7cb169f6f26eeaed5286b91bb86b463b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/7060e5aac6dc195124c106f49106d653a416323a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/3b5d9b7b875968a8a8c99dac45cb85b705c44802"
                },
                {
                    "url": "https://git.kernel.org/stable/c/938d5b7a75e18264887387ddf9169db6d8aeef98"
                },
                {
                    "url": "https://git.kernel.org/stable/c/1e1c9aa9288a46c342f0f2c5c0b1c0876b9b0276"
                },
                {
                    "url": "https://git.kernel.org/stable/c/02b0095e2fbbc060560c1065f86a211d91e27b26"
                }
            ],
            "title": "tracing: Fix null pointer dereference in tracing_err_log_open()",
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}