{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-50266",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-09-15T13:58:00.975Z",
        "datePublished": "2025-09-15T14:21:02.529Z",
        "dateUpdated": "2026-05-23T15:24:03.591Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-23T15:24:03.591Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nkprobes: Fix check for probe enabled in kill_kprobe()\n\nIn kill_kprobe(), the check whether disarm_kprobe_ftrace() needs to be\ncalled always fails. This is because before that we set the\nKPROBE_FLAG_GONE flag for kprobe so that \"!kprobe_disabled(p)\" is always\nfalse.\n\nThe disarm_kprobe_ftrace() call introduced by commit:\n\n  0cb2f1372baa (\"kprobes: Fix NULL pointer dereference at kprobe_ftrace_handler\")\n\nto fix the NULL pointer reference problem. When the probe is enabled, if\nwe do not disarm it, this problem still exists.\n\nFix it by putting the probe enabled check before setting the\nKPROBE_FLAG_GONE flag."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "kernel/kprobes.c"
                    ],
                    "versions": [
                        {
                            "version": "3031313eb3d549b7ad6f9fbcc52ba04412e3eb9e",
                            "lessThan": "f20a067f13106565816b4b6a6b665b2088a63824",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3031313eb3d549b7ad6f9fbcc52ba04412e3eb9e",
                            "lessThan": "c909985dd0c0f74b61e3f8f0e04bf8aa9c8b97c7",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3031313eb3d549b7ad6f9fbcc52ba04412e3eb9e",
                            "lessThan": "0c76ef3f26d5ef2ac2c21b47e7620cff35809fbb",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3c5f8d371b7fef3e3714c4a062c7f3b4aa41d122",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9b55d84deec88c02b053a819acf08a6d471dda02",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2295608b44c91df767a5c68027f9c9e52ecb28e7",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ce7ff920092130f249b75f9fe177edb3362fefe8",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3995f7a60feceba6c8f762f4aff3184f90a1291d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "247c62ebdfae450bb76dd89cd4724df6be07df75",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4.4.238",
                            "lessThan": "4.5",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.9.238",
                            "lessThan": "4.10",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.14.200",
                            "lessThan": "4.15",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.19.149",
                            "lessThan": "4.20",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.69",
                            "lessThan": "5.5",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.8.13",
                            "lessThan": "5.9",
                            "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/kprobes.c"
                    ],
                    "versions": [
                        {
                            "version": "5.9",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.9",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.0.16",
                            "lessThanOrEqual": "6.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.2",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.2",
                            "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": "5.9",
                                    "versionEndExcluding": "6.0.16"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.9",
                                    "versionEndExcluding": "6.1.2"
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.9.238"
                                },
                                {
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                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.4.69"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.8.13"
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            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/f20a067f13106565816b4b6a6b665b2088a63824"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c909985dd0c0f74b61e3f8f0e04bf8aa9c8b97c7"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0c76ef3f26d5ef2ac2c21b47e7620cff35809fbb"
                }
            ],
            "title": "kprobes: Fix check for probe enabled in kill_kprobe()",
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}