{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-50494",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-10-04T15:39:19.464Z",
        "datePublished": "2025-10-04T15:43:46.562Z",
        "dateUpdated": "2026-05-11T19:20:33.464Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:20:33.464Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nthermal: intel_powerclamp: Use get_cpu() instead of smp_processor_id() to avoid crash\n\nWhen CPU 0 is offline and intel_powerclamp is used to inject\nidle, it generates kernel BUG:\n\nBUG: using smp_processor_id() in preemptible [00000000] code: bash/15687\ncaller is debug_smp_processor_id+0x17/0x20\nCPU: 4 PID: 15687 Comm: bash Not tainted 5.19.0-rc7+ #57\nCall Trace:\n<TASK>\ndump_stack_lvl+0x49/0x63\ndump_stack+0x10/0x16\ncheck_preemption_disabled+0xdd/0xe0\ndebug_smp_processor_id+0x17/0x20\npowerclamp_set_cur_state+0x7f/0xf9 [intel_powerclamp]\n...\n...\n\nHere CPU 0 is the control CPU by default and changed to the current CPU,\nif CPU 0 offlined. This check has to be performed under cpus_read_lock(),\nhence the above warning.\n\nUse get_cpu() instead of smp_processor_id() to avoid this BUG.\n\n[ rjw: Subject edits ]"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/thermal/intel/intel_powerclamp.c"
                    ],
                    "versions": [
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                            "version": "d6d71ee4a14ae602db343ec48c491851d7ec5267",
                            "lessThan": "3e799e815097febbcb81b472285be824f5d089f9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d6d71ee4a14ae602db343ec48c491851d7ec5267",
                            "lessThan": "0f91f66c568b316b19cb042cf50584467b3bdff4",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d6d71ee4a14ae602db343ec48c491851d7ec5267",
                            "lessThan": "6904727db0eb62fb0c2dce1cf331c341d97ee4b7",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d6d71ee4a14ae602db343ec48c491851d7ec5267",
                            "lessThan": "5a646c38f648185ee2c62f2a19da3c6f04e27612",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d6d71ee4a14ae602db343ec48c491851d7ec5267",
                            "lessThan": "513943bf879d45005213e6f5cfb7d9e9943f589f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d6d71ee4a14ae602db343ec48c491851d7ec5267",
                            "lessThan": "5614908434451aafbf9b24cb5247cf1d21269f76",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d6d71ee4a14ae602db343ec48c491851d7ec5267",
                            "lessThan": "6e2a347b304224b2aeb1c0ea000d1cf8a02cc592",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d6d71ee4a14ae602db343ec48c491851d7ec5267",
                            "lessThan": "418fae0700e85a498062424f8656435c32cdb200",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d6d71ee4a14ae602db343ec48c491851d7ec5267",
                            "lessThan": "68b99e94a4a2db6ba9b31fe0485e057b9354a640",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/thermal/intel/intel_powerclamp.c"
                    ],
                    "versions": [
                        {
                            "version": "3.9",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.9",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.9.331",
                            "lessThanOrEqual": "4.9.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.14.296",
                            "lessThanOrEqual": "4.14.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.19.262",
                            "lessThanOrEqual": "4.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.220",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.150",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.75",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.19.17",
                            "lessThanOrEqual": "5.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.0.3",
                            "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": "3.9",
                                    "versionEndExcluding": "4.9.331"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/3e799e815097febbcb81b472285be824f5d089f9"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0f91f66c568b316b19cb042cf50584467b3bdff4"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6904727db0eb62fb0c2dce1cf331c341d97ee4b7"
                },
                {
                    "url": "https://git.kernel.org/stable/c/5a646c38f648185ee2c62f2a19da3c6f04e27612"
                },
                {
                    "url": "https://git.kernel.org/stable/c/513943bf879d45005213e6f5cfb7d9e9943f589f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/5614908434451aafbf9b24cb5247cf1d21269f76"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6e2a347b304224b2aeb1c0ea000d1cf8a02cc592"
                },
                {
                    "url": "https://git.kernel.org/stable/c/418fae0700e85a498062424f8656435c32cdb200"
                },
                {
                    "url": "https://git.kernel.org/stable/c/68b99e94a4a2db6ba9b31fe0485e057b9354a640"
                }
            ],
            "title": "thermal: intel_powerclamp: Use get_cpu() instead of smp_processor_id() to avoid crash",
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}