{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-40157", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-04-16T07:20:57.176Z", "datePublished": "2025-11-12T10:23:29.258Z", "dateUpdated": "2026-05-11T21:43:50.466Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T21:43:50.466Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nEDAC/i10nm: Skip DIMM enumeration on a disabled memory controller\n\nWhen loading the i10nm_edac driver on some Intel Granite Rapids servers,\na call trace may appear as follows:\n\n UBSAN: shift-out-of-bounds in drivers/edac/skx_common.c:453:16\n shift exponent -66 is negative\n ...\n __ubsan_handle_shift_out_of_bounds+0x1e3/0x390\n skx_get_dimm_info.cold+0x47/0xd40 [skx_edac_common]\n i10nm_get_dimm_config+0x23e/0x390 [i10nm_edac]\n skx_register_mci+0x159/0x220 [skx_edac_common]\n i10nm_init+0xcb0/0x1ff0 [i10nm_edac]\n ...\n\nThis occurs because some BIOS may disable a memory controller if there\naren't any memory DIMMs populated on this memory controller. The DIMMMTR\nregister of this disabled memory controller contains the invalid value\n~0, resulting in the call trace above.\n\nFix this call trace by skipping DIMM enumeration on a disabled memory\ncontroller."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/edac/i10nm_base.c"], "versions": [{"version": "ba987eaaabf99b462cdfed86274e3455d5126349", "lessThan": "8100b6c0f9089d5b156642b81270ce27fff17490", "status": "affected", "versionType": "git"}, {"version": "ba987eaaabf99b462cdfed86274e3455d5126349", "lessThan": "1652f14cf3bef5a4baa232de954fc22bdcaa78fe", "status": "affected", "versionType": "git"}, {"version": "ba987eaaabf99b462cdfed86274e3455d5126349", "lessThan": "c20da24272f1ac79e9f9083bba577d049cd02bbb", "status": "affected", "versionType": "git"}, {"version": "ba987eaaabf99b462cdfed86274e3455d5126349", "lessThan": "2e6fe1bbefd9c059c3787d1c620fe67343a94dff", "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/edac/i10nm_base.c"], "versions": [{"version": "6.3", "status": "affected"}, {"version": "0", "lessThan": "6.3", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.112", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.53", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.17.3", "lessThanOrEqual": "6.17.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18", "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": "6.3", "versionEndExcluding": "6.6.112"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.3", "versionEndExcluding": "6.12.53"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.3", "versionEndExcluding": "6.17.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.3", "versionEndExcluding": "6.18"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/8100b6c0f9089d5b156642b81270ce27fff17490"}, {"url": "https://git.kernel.org/stable/c/1652f14cf3bef5a4baa232de954fc22bdcaa78fe"}, {"url": "https://git.kernel.org/stable/c/c20da24272f1ac79e9f9083bba577d049cd02bbb"}, {"url": "https://git.kernel.org/stable/c/2e6fe1bbefd9c059c3787d1c620fe67343a94dff"}], "title": "EDAC/i10nm: Skip DIMM enumeration on a disabled memory controller", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nEDAC/i10nm: Skip DIMM enumeration on a disabled memory controller\n\nWhen loading the i10nm_edac driver on some Intel Granite Rapids servers,\na call trace may appear as follows:\n\n UBSAN: shift-out-of-bounds in drivers/edac/skx_common.c:453:16\n shift exponent -66 is negative\n ...\n __ubsan_handle_shift_out_of_bounds+0x1e3/0x390\n skx_get_dimm_info.cold+0x47/0xd40 [skx_edac_common]\n i10nm_get_dimm_config+0x23e/0x390 [i10nm_edac]\n skx_register_mci+0x159/0x220 [skx_edac_common]\n i10nm_init+0xcb0/0x1ff0 [i10nm_edac]\n ...\n\nThis occurs because some BIOS may disable a memory controller if there\naren't any memory DIMMs populated on this memory controller. The DIMMMTR\nregister of this disabled memory controller contains the invalid value\n~0, resulting in the call trace above.\n\nFix this call trace by skipping DIMM enumeration on a disabled memory\ncontroller."}], "id": "CVE-2025-40157", "lastModified": "2026-04-15T00:35:42.020", "metrics": {}, "published": "2025-11-12T11:15:45.763", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1652f14cf3bef5a4baa232de954fc22bdcaa78fe"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2e6fe1bbefd9c059c3787d1c620fe67343a94dff"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8100b6c0f9089d5b156642b81270ce27fff17490"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c20da24272f1ac79e9f9083bba577d049cd02bbb"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Deferred"}

{"bugzilla": {"description": "kernel: EDAC/i10nm: Skip DIMM enumeration on a disabled memory controller", "id": "2414477", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2414477"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nEDAC/i10nm: Skip DIMM enumeration on a disabled memory controller\nWhen loading the i10nm_edac driver on some Intel Granite Rapids servers,\na call trace may appear as follows:\nUBSAN: shift-out-of-bounds in drivers/edac/skx_common.c:453:16\nshift exponent -66 is negative\n...\n__ubsan_handle_shift_out_of_bounds+0x1e3/0x390\nskx_get_dimm_info.cold+0x47/0xd40 [skx_edac_common]\ni10nm_get_dimm_config+0x23e/0x390 [i10nm_edac]\nskx_register_mci+0x159/0x220 [skx_edac_common]\ni10nm_init+0xcb0/0x1ff0 [i10nm_edac]\n...\nThis occurs because some BIOS may disable a memory controller if there\naren't any memory DIMMs populated on this memory controller. The DIMMMTR\nregister of this disabled memory controller contains the invalid value\n~0, resulting in the call trace above.\nFix this call trace by skipping DIMM enumeration on a disabled memory\ncontroller."], "name": "CVE-2025-40157", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-11-12T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-40157\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-40157\nhttps://lore.kernel.org/linux-cve-announce/2025111258-CVE-2025-40157-d08c@gregkh/T"], "threat_severity": "Important"}

{"created": "2025-11-12T22:12:41.066227+00:00", "updated": "2025-11-12T22:12:41.066254+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}