{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-49852",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-05-01T14:05:17.230Z",
        "datePublished": "2025-05-01T14:10:07.001Z",
        "dateUpdated": "2026-05-11T19:08:00.422Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:08:00.422Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nriscv: process: fix kernel info leakage\n\nthread_struct's s[12] may contain random kernel memory content, which\nmay be finally leaked to userspace. This is a security hole. Fix it\nby clearing the s[12] array in thread_struct when fork.\n\nAs for kthread case, it's better to clear the s[12] array as well."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "arch/riscv/kernel/process.c"
                    ],
                    "versions": [
                        {
                            "version": "7db91e57a0acde126a162ababfb1e0ab190130cb",
                            "lessThan": "c4601d30f7d989b4f354df899ab85b5f7a750d30",
                            "status": "affected",
                            "versionType": "git"
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                        {
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                            "lessThan": "c5c0b3167537793a7cf936fb240366eefd2fc7fb",
                            "status": "affected",
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                        },
                        {
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                            "lessThan": "e56d18a976dda653194218df6d40d8122c775712",
                            "status": "affected",
                            "versionType": "git"
                        },
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                            "lessThan": "cc36c7fa5d9384602529ba3eea8c5daee7be4dbc",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "7db91e57a0acde126a162ababfb1e0ab190130cb",
                            "lessThan": "358a68f98304b40b201ba5afe94c20355aa3dc68",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "7db91e57a0acde126a162ababfb1e0ab190130cb",
                            "lessThan": "6510c78490c490a6636e48b61eeaa6fb65981f4b",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "arch/riscv/kernel/process.c"
                    ],
                    "versions": [
                        {
                            "version": "4.15",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.15",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.19.267",
                            "lessThanOrEqual": "4.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.225",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.155",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.79",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.0.9",
                            "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": "4.15",
                                    "versionEndExcluding": "4.19.267"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.15",
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.15",
                                    "versionEndExcluding": "6.0.9"
                                },
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                                    "versionStartIncluding": "4.15",
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            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/c4601d30f7d989b4f354df899ab85b5f7a750d30"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c5c0b3167537793a7cf936fb240366eefd2fc7fb"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e56d18a976dda653194218df6d40d8122c775712"
                },
                {
                    "url": "https://git.kernel.org/stable/c/cc36c7fa5d9384602529ba3eea8c5daee7be4dbc"
                },
                {
                    "url": "https://git.kernel.org/stable/c/358a68f98304b40b201ba5afe94c20355aa3dc68"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6510c78490c490a6636e48b61eeaa6fb65981f4b"
                }
            ],
            "title": "riscv: process: fix kernel info leakage",
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