{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2023-54171",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-12-30T12:06:44.496Z",
        "datePublished": "2025-12-30T12:08:45.441Z",
        "dateUpdated": "2026-05-11T19:56:49.388Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:56:49.388Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntracing: Fix memory leak of iter->temp when reading trace_pipe\n\nkmemleak reports:\n  unreferenced object 0xffff88814d14e200 (size 256):\n    comm \"cat\", pid 336, jiffies 4294871818 (age 779.490s)\n    hex dump (first 32 bytes):\n      04 00 01 03 00 00 00 00 08 00 00 00 00 00 00 00  ................\n      0c d8 c8 9b ff ff ff ff 04 5a ca 9b ff ff ff ff  .........Z......\n    backtrace:\n      [<ffffffff9bdff18f>] __kmalloc+0x4f/0x140\n      [<ffffffff9bc9238b>] trace_find_next_entry+0xbb/0x1d0\n      [<ffffffff9bc9caef>] trace_print_lat_context+0xaf/0x4e0\n      [<ffffffff9bc94490>] print_trace_line+0x3e0/0x950\n      [<ffffffff9bc95499>] tracing_read_pipe+0x2d9/0x5a0\n      [<ffffffff9bf03a43>] vfs_read+0x143/0x520\n      [<ffffffff9bf04c2d>] ksys_read+0xbd/0x160\n      [<ffffffff9d0f0edf>] do_syscall_64+0x3f/0x90\n      [<ffffffff9d2000aa>] entry_SYSCALL_64_after_hwframe+0x6e/0xd8\n\nwhen reading file 'trace_pipe', 'iter->temp' is allocated or relocated\nin trace_find_next_entry() but not freed before 'trace_pipe' is closed.\n\nTo fix it, free 'iter->temp' in tracing_release_pipe()."
                }
            ],
            "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": "ff895103a84abc85a5f43ecabc7f67cf36e1348f",
                            "lessThan": "1a1e793e021d75cd0accd8f329ec9456e5cd105e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ff895103a84abc85a5f43ecabc7f67cf36e1348f",
                            "lessThan": "954792db9f61b6c0b8a94b8831fed5f146014029",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ff895103a84abc85a5f43ecabc7f67cf36e1348f",
                            "lessThan": "be970e22c53d5572b2795b79da9716ada937023b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ff895103a84abc85a5f43ecabc7f67cf36e1348f",
                            "lessThan": "3f42d57a76e7e96585f08855554e002218cbca0c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ff895103a84abc85a5f43ecabc7f67cf36e1348f",
                            "lessThan": "d5a821896360cc8b93a15bd888fabc858c038dc0",
                            "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": "5.7",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.7",
                            "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": "5.7",
                                    "versionEndExcluding": "5.10.188"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.7",
                                    "versionEndExcluding": "5.15.121"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.7",
                                    "versionEndExcluding": "6.1.40"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.7",
                                    "versionEndExcluding": "6.4.5"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.7",
                                    "versionEndExcluding": "6.5"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/1a1e793e021d75cd0accd8f329ec9456e5cd105e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/954792db9f61b6c0b8a94b8831fed5f146014029"
                },
                {
                    "url": "https://git.kernel.org/stable/c/be970e22c53d5572b2795b79da9716ada937023b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/3f42d57a76e7e96585f08855554e002218cbca0c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d5a821896360cc8b93a15bd888fabc858c038dc0"
                }
            ],
            "title": "tracing: Fix memory leak of iter->temp when reading trace_pipe",
            "x_generator": {
                "engine": "bippy-1.2.0"
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        }
    }
}