{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2023-52659",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-03-07T14:49:46.884Z",
        "datePublished": "2024-05-17T12:08:36.098Z",
        "dateUpdated": "2024-08-02T23:03:21.334Z"
    },
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                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2024-05-29T05:15:26.187Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nx86/mm: Ensure input to pfn_to_kaddr() is treated as a 64-bit type\n\nOn 64-bit platforms, the pfn_to_kaddr() macro requires that the input\nvalue is 64 bits in order to ensure that valid address bits don't get\nlost when shifting that input by PAGE_SHIFT to calculate the physical\naddress to provide a virtual address for.\n\nOne such example is in pvalidate_pages() (used by SEV-SNP guests), where\nthe GFN in the struct used for page-state change requests is a 40-bit\nbit-field, so attempts to pass this GFN field directly into\npfn_to_kaddr() ends up causing guest crashes when dealing with addresses\nabove the 1TB range due to the above.\n\nFix this issue with SEV-SNP guests, as well as any similar cases that\nmight cause issues in current/future code, by using an inline function,\ninstead of a macro, so that the input is implicitly cast to the\nexpected 64-bit input type prior to performing the shift operation.\n\nWhile it might be argued that the issue is on the caller side, other\narchs/macros have taken similar approaches to deal with instances like\nthis, such as ARM explicitly casting the input to phys_addr_t:\n\n  e48866647b48 (\"ARM: 8396/1: use phys_addr_t in pfn_to_kaddr()\")\n\nA C inline function is even better though.\n\n[ mingo: Refined the changelog some more & added __always_inline. ]"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "arch/x86/include/asm/page.h"
                    ],
                    "versions": [
                        {
                            "version": "6c3211796326",
                            "lessThan": "325956b0173f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6c3211796326",
                            "lessThan": "7e1471888a5e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6c3211796326",
                            "lessThan": "814305b5c23c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6c3211796326",
                            "lessThan": "8e5647a723c4",
                            "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/x86/include/asm/page.h"
                    ],
                    "versions": [
                        {
                            "version": "6.5",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.5",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.6.23",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.7.11",
                            "lessThanOrEqual": "6.7.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.8.2",
                            "lessThanOrEqual": "6.8.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.9",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
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                }
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            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/325956b0173f11e98f90462be4829a8b8b0682ce"
                },
                {
                    "url": "https://git.kernel.org/stable/c/7e1471888a5e6e846e9b4d306e5327db2b58e64e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/814305b5c23cb815ada68d43019f39050472b25f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/8e5647a723c49d73b9f108a8bb38e8c29d3948ea"
                }
            ],
            "title": "x86/mm: Ensure input to pfn_to_kaddr() is treated as a 64-bit type",
            "x_generator": {
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        },
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                "title": "CISA ADP Vulnrichment",
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                            "type": "ssvc",
                            "content": {
                                "id": "CVE-2023-52659",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
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                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
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                                "version": "2.0.3",
                                "timestamp": "2024-05-21T15:56:17.694229Z"
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                    "shortName": "CISA-ADP",
                    "dateUpdated": "2024-06-04T17:23:47.671Z"
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                    "shortName": "CVE",
                    "dateUpdated": "2024-08-02T23:03:21.334Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://git.kernel.org/stable/c/325956b0173f11e98f90462be4829a8b8b0682ce",
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