{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2025-37960",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-04-16T04:51:23.974Z",
        "datePublished": "2025-05-20T16:01:53.264Z",
        "dateUpdated": "2026-05-11T21:18:25.936Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T21:18:25.936Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmemblock: Accept allocated memory before use in memblock_double_array()\n\nWhen increasing the array size in memblock_double_array() and the slab\nis not yet available, a call to memblock_find_in_range() is used to\nreserve/allocate memory. However, the range returned may not have been\naccepted, which can result in a crash when booting an SNP guest:\n\n  RIP: 0010:memcpy_orig+0x68/0x130\n  Code: ...\n  RSP: 0000:ffffffff9cc03ce8 EFLAGS: 00010006\n  RAX: ff11001ff83e5000 RBX: 0000000000000000 RCX: fffffffffffff000\n  RDX: 0000000000000bc0 RSI: ffffffff9dba8860 RDI: ff11001ff83e5c00\n  RBP: 0000000000002000 R08: 0000000000000000 R09: 0000000000002000\n  R10: 000000207fffe000 R11: 0000040000000000 R12: ffffffff9d06ef78\n  R13: ff11001ff83e5000 R14: ffffffff9dba7c60 R15: 0000000000000c00\n  memblock_double_array+0xff/0x310\n  memblock_add_range+0x1fb/0x2f0\n  memblock_reserve+0x4f/0xa0\n  memblock_alloc_range_nid+0xac/0x130\n  memblock_alloc_internal+0x53/0xc0\n  memblock_alloc_try_nid+0x3d/0xa0\n  swiotlb_init_remap+0x149/0x2f0\n  mem_init+0xb/0xb0\n  mm_core_init+0x8f/0x350\n  start_kernel+0x17e/0x5d0\n  x86_64_start_reservations+0x14/0x30\n  x86_64_start_kernel+0x92/0xa0\n  secondary_startup_64_no_verify+0x194/0x19b\n\nMitigate this by calling accept_memory() on the memory range returned\nbefore the slab is available.\n\nPrior to v6.12, the accept_memory() interface used a 'start' and 'end'\nparameter instead of 'start' and 'size', therefore the accept_memory()\ncall must be adjusted to specify 'start + size' for 'end' when applying\nto kernels prior to v6.12."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "mm/memblock.c"
                    ],
                    "versions": [
                        {
                            "version": "dcdfdd40fa82b6704d2841938e5c8ec3051eb0d6",
                            "lessThan": "7bcd29181bab8d508d2adfdbb132de8b1e088698",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "dcdfdd40fa82b6704d2841938e5c8ec3051eb0d6",
                            "lessThan": "d66a22f6a432a9dd376c9b365d7dc89bd416909c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "dcdfdd40fa82b6704d2841938e5c8ec3051eb0d6",
                            "lessThan": "aa513e69e011a2b19fa22ce62ce35effbd5e0c81",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "dcdfdd40fa82b6704d2841938e5c8ec3051eb0d6",
                            "lessThan": "da8bf5daa5e55a6af2b285ecda460d6454712ff4",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "mm/memblock.c"
                    ],
                    "versions": [
                        {
                            "version": "6.5",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.5",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.92",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.29",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.14.7",
                            "lessThanOrEqual": "6.14.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.15",
                            "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": "6.5",
                                    "versionEndExcluding": "6.6.92"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.5",
                                    "versionEndExcluding": "6.12.29"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.5",
                                    "versionEndExcluding": "6.14.7"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.5",
                                    "versionEndExcluding": "6.15"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/7bcd29181bab8d508d2adfdbb132de8b1e088698"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d66a22f6a432a9dd376c9b365d7dc89bd416909c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/aa513e69e011a2b19fa22ce62ce35effbd5e0c81"
                },
                {
                    "url": "https://git.kernel.org/stable/c/da8bf5daa5e55a6af2b285ecda460d6454712ff4"
                }
            ],
            "title": "memblock: Accept allocated memory before use in memblock_double_array()",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}