{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-89749",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-11T19:38:34.762Z",
        "datePublished": "2026-09-11T19:46:53.822Z",
        "dateUpdated": "2026-10-19T08:52:03.128Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-19T08:52:03.128Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntracing: Fix crash passing ERR_PTR to kthread_stop()\n\nevent_test_stuff() calls kthread_run() and unconditionally passes the\nreturned task_struct pointer to kthread_stop(). kthread_run() returns an\nerror pointer such as ERR_PTR(-ENOMEM) when kthread creation fails, for\nexample under memory pressure during the boot-time event self-test.\nkthread_stop() then dereferences the invalid pointer, crashing the kernel.\n\nCheck the result of kthread_run() before passing it to kthread_stop(). Use\nWARN_ON() so that a failure to create the self-test thread does not go\nunnoticed, matching the ring-buffer self-test fix in commit\n91542863abad (\"ring-buffer: Fix crash passing ERR_PTR to kthread_stop()\")."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "kernel/trace/trace_events.c"
                    ],
                    "versions": [
                        {
                            "version": "e6187007d6c365b551c69ea3df46f06fd1c8bd19",
                            "lessThan": "c1a4fb7aa290f158d50654d640292e49d9055fd1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e6187007d6c365b551c69ea3df46f06fd1c8bd19",
                            "lessThan": "42ccb215ef0a552acbbd32f81009bfe4b278ba77",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e6187007d6c365b551c69ea3df46f06fd1c8bd19",
                            "lessThan": "98d06fb9865a490e12ebe32d65b9ffac6108614d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e6187007d6c365b551c69ea3df46f06fd1c8bd19",
                            "lessThan": "ceb1707aef5824cf024eb82d10787b7621e2ff35",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e6187007d6c365b551c69ea3df46f06fd1c8bd19",
                            "lessThan": "12a499f741fc5be3731c8b0a0d909406575cc2eb",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e6187007d6c365b551c69ea3df46f06fd1c8bd19",
                            "lessThan": "adadf4192f700bca82abfda9fa6d58c0bf37cc04",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e6187007d6c365b551c69ea3df46f06fd1c8bd19",
                            "lessThan": "c40e0b4fa365969e67011529eabdfb66d1022256",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e6187007d6c365b551c69ea3df46f06fd1c8bd19",
                            "lessThan": "649bc7df3e5d7be6f7996a95084037dbf3cad1e5",
                            "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_events.c"
                    ],
                    "versions": [
                        {
                            "version": "2.6.31",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.31",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.270",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.221",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.188",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.157",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.109",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.50",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.4",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "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": "2.6.31",
                                    "versionEndExcluding": "5.10.270"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.31",
                                    "versionEndExcluding": "5.15.221"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.31",
                                    "versionEndExcluding": "6.1.188"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.31",
                                    "versionEndExcluding": "6.6.157"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.31",
                                    "versionEndExcluding": "6.12.109"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.31",
                                    "versionEndExcluding": "6.18.50"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.31",
                                    "versionEndExcluding": "7.2.4"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.31",
                                    "versionEndExcluding": "7.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/c1a4fb7aa290f158d50654d640292e49d9055fd1"
                },
                {
                    "url": "https://git.kernel.org/stable/c/42ccb215ef0a552acbbd32f81009bfe4b278ba77"
                },
                {
                    "url": "https://git.kernel.org/stable/c/98d06fb9865a490e12ebe32d65b9ffac6108614d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ceb1707aef5824cf024eb82d10787b7621e2ff35"
                },
                {
                    "url": "https://git.kernel.org/stable/c/12a499f741fc5be3731c8b0a0d909406575cc2eb"
                },
                {
                    "url": "https://git.kernel.org/stable/c/adadf4192f700bca82abfda9fa6d58c0bf37cc04"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c40e0b4fa365969e67011529eabdfb66d1022256"
                },
                {
                    "url": "https://git.kernel.org/stable/c/649bc7df3e5d7be6f7996a95084037dbf3cad1e5"
                }
            ],
            "title": "tracing: Fix crash passing ERR_PTR to kthread_stop()",
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}