{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-50206",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-06-18T10:57:27.428Z",
        "datePublished": "2025-06-18T11:03:46.505Z",
        "dateUpdated": "2026-05-11T19:14:51.053Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:14:51.053Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\narm64: fix oops in concurrently setting insn_emulation sysctls\n\nemulation_proc_handler() changes table->data for proc_dointvec_minmax\nand can generate the following Oops if called concurrently with itself:\n\n | Unable to handle kernel NULL pointer dereference at virtual address 0000000000000010\n | Internal error: Oops: 96000006 [#1] SMP\n | Call trace:\n | update_insn_emulation_mode+0xc0/0x148\n | emulation_proc_handler+0x64/0xb8\n | proc_sys_call_handler+0x9c/0xf8\n | proc_sys_write+0x18/0x20\n | __vfs_write+0x20/0x48\n | vfs_write+0xe4/0x1d0\n | ksys_write+0x70/0xf8\n | __arm64_sys_write+0x20/0x28\n | el0_svc_common.constprop.0+0x7c/0x1c0\n | el0_svc_handler+0x2c/0xa0\n | el0_svc+0x8/0x200\n\nTo fix this issue, keep the table->data as &insn->current_mode and\nuse container_of() to retrieve the insn pointer. Another mutex is\nused to protect against the current_mode update but not for retrieving\ninsn_emulation as table->data is no longer changing."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "arch/arm64/kernel/armv8_deprecated.c"
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                            "status": "affected",
                            "versionType": "git"
                        },
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                            "lessThan": "b51881b1da57fe9877125dfdd0aac5172958fcfd",
                            "status": "affected",
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                            "lessThan": "04549063d5701976034d8c2bfda3d3a8cbf0409f",
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                            "lessThan": "353b4673d01c512303c45cf2346f630cda73b5c9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0be7320a635c2e434e8b67e0e9474a85ceb421c4",
                            "lessThan": "cc69ef95988b9ef2fc730ec452a7441efb90ef5e",
                            "status": "affected",
                            "versionType": "git"
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                        {
                            "version": "0be7320a635c2e434e8b67e0e9474a85ceb421c4",
                            "lessThan": "6a2fd114678d7fc1b5a0f8865ae98f1c17787455",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0be7320a635c2e434e8b67e0e9474a85ceb421c4",
                            "lessThan": "07022e07017ee5540f5559b0aeb916e8383c1e1a",
                            "status": "affected",
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                        },
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                            "version": "0be7320a635c2e434e8b67e0e9474a85ceb421c4",
                            "lessThan": "af483947d472eccb79e42059276c4deed76f99a6",
                            "status": "affected",
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                        }
                    ]
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                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "arch/arm64/kernel/armv8_deprecated.c"
                    ],
                    "versions": [
                        {
                            "version": "3.7",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.7",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.14.291",
                            "lessThanOrEqual": "4.14.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.19.256",
                            "lessThanOrEqual": "4.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.211",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.137",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.61",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.18.18",
                            "lessThanOrEqual": "5.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.19.2",
                            "lessThanOrEqual": "5.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.0",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
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                            "negate": false,
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                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/9d5fec6ba2e4117d196a8259ab54615ffe562460"
                },
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                    "url": "https://git.kernel.org/stable/c/b51881b1da57fe9877125dfdd0aac5172958fcfd"
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                    "url": "https://git.kernel.org/stable/c/04549063d5701976034d8c2bfda3d3a8cbf0409f"
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                },
                {
                    "url": "https://git.kernel.org/stable/c/af483947d472eccb79e42059276c4deed76f99a6"
                }
            ],
            "title": "arm64: fix oops in concurrently setting insn_emulation sysctls",
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