{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-49801",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-05-01T14:05:17.225Z",
        "datePublished": "2025-05-01T14:09:29.682Z",
        "dateUpdated": "2026-05-23T15:22:55.157Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-23T15:22:55.157Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntracing: Fix memory leak in tracing_read_pipe()\n\nkmemleak reports this issue:\n\nunreferenced object 0xffff888105a18900 (size 128):\n  comm \"test_progs\", pid 18933, jiffies 4336275356 (age 22801.766s)\n  hex dump (first 32 bytes):\n    25 73 00 90 81 88 ff ff 26 05 00 00 42 01 58 04  %s......&...B.X.\n    03 00 00 00 02 00 00 00 00 00 00 00 00 00 00 00  ................\n  backtrace:\n    [<00000000560143a1>] __kmalloc_node_track_caller+0x4a/0x140\n    [<000000006af00822>] krealloc+0x8d/0xf0\n    [<00000000c309be6a>] trace_iter_expand_format+0x99/0x150\n    [<000000005a53bdb6>] trace_check_vprintf+0x1e0/0x11d0\n    [<0000000065629d9d>] trace_event_printf+0xb6/0xf0\n    [<000000009a690dc7>] trace_raw_output_bpf_trace_printk+0x89/0xc0\n    [<00000000d22db172>] print_trace_line+0x73c/0x1480\n    [<00000000cdba76ba>] tracing_read_pipe+0x45c/0x9f0\n    [<0000000015b58459>] vfs_read+0x17b/0x7c0\n    [<000000004aeee8ed>] ksys_read+0xed/0x1c0\n    [<0000000063d3d898>] do_syscall_64+0x3b/0x90\n    [<00000000a06dda7f>] entry_SYSCALL_64_after_hwframe+0x63/0xcd\n\niter->fmt alloced in\n  tracing_read_pipe() -> .. ->trace_iter_expand_format(), but not\nfreed, to fix, add free 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": "efbbdaa22bb78761bff8dfdde027ad04bedd47ce",
                            "lessThan": "2c21ee020ce43d744ecd7f3e9bddfcaafef270ce",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "efbbdaa22bb78761bff8dfdde027ad04bedd47ce",
                            "lessThan": "a7d3f8f33c113478737bc61bb32ec5f9a987da7d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "efbbdaa22bb78761bff8dfdde027ad04bedd47ce",
                            "lessThan": "649e72070cbbb8600eb823833e4748f5a0815116",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "840ce9cfc86f89c335625ec297acc0375f82e19b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5.10.190",
                            "lessThan": "5.11",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "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": "5.12",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.12",
                            "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": "5.12",
                                    "versionEndExcluding": "5.15.80"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.12",
                                    "versionEndExcluding": "6.0.10"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.12",
                                    "versionEndExcluding": "6.1"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.10.190"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/2c21ee020ce43d744ecd7f3e9bddfcaafef270ce"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a7d3f8f33c113478737bc61bb32ec5f9a987da7d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/649e72070cbbb8600eb823833e4748f5a0815116"
                }
            ],
            "title": "tracing: Fix memory leak in tracing_read_pipe()",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}