CVE-2025-21913

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This results\nin the following warning:\n\n unchecked MSR access error: RDMSR from 0xc0010058 at rIP: 0xffffffff8101d19f (xen_do_read_msr+0x7f/0xa0)\n Call Trace:\n xen_read_msr+0x1e/0x30\n amd_get_mmconfig_range+0x2b/0x80\n quirk_amd_mmconfig_area+0x28/0x100\n pnp_fixup_device+0x39/0x50\n __pnp_add_device+0xf/0x150\n pnp_add_device+0x3d/0x100\n pnpacpi_add_device_handler+0x1f9/0x280\n acpi_ns_get_device_callback+0x104/0x1c0\n acpi_ns_walk_namespace+0x1d0/0x260\n acpi_get_devices+0x8a/0xb0\n pnpacpi_init+0x50/0x80\n do_one_initcall+0x46/0x2e0\n kernel_init_freeable+0x1da/0x2f0\n kernel_init+0x16/0x1b0\n ret_from_fork+0x30/0x50\n ret_from_fork_asm+0x1b/0x30\n\nbased on quirks for a \"PNP0c01\" device. Treating MMCFG as disabled is the\nright course of action, so no change is needed there.\n\nThis was most likely exposed by fixing the Xen MSR accessors to not be\nsilently-safe."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["arch/x86/kernel/amd_nb.c"], "versions": [{"version": "3fac3734c43a2e21fefeb72124d8bd31dff3956f", "lessThan": "0c65d13bdcc54e5b924ebe790f85a7f01bfe1cb1", "status": "affected", "versionType": "git"}, {"version": "3fac3734c43a2e21fefeb72124d8bd31dff3956f", "lessThan": "8f43ba5ee498fe037d1570f6868d9aeaf49dda80", "status": "affected", "versionType": "git"}, {"version": "3fac3734c43a2e21fefeb72124d8bd31dff3956f", "lessThan": "ebf6a763904e42dabeb2e270ceb0bbe0f825d7ae", "status": "affected", "versionType": "git"}, {"version": "3fac3734c43a2e21fefeb72124d8bd31dff3956f", "lessThan": "923fede9eae9865af305bcdf8f111e4b62ae4bda", "status": 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"https://git.kernel.org/stable/c/8f43ba5ee498fe037d1570f6868d9aeaf49dda80"}, {"url": "https://git.kernel.org/stable/c/ebf6a763904e42dabeb2e270ceb0bbe0f825d7ae"}, {"url": "https://git.kernel.org/stable/c/923fede9eae9865af305bcdf8f111e4b62ae4bda"}, {"url": "https://git.kernel.org/stable/c/14cb5d83068ecf15d2da6f7d0e9ea9edbcbc0457"}], "title": "x86/amd_nb: Use rdmsr_safe() in amd_get_mmconfig_range()", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"title": "CVE Program Container", "references": [{"url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-11-03T19:38:59.818Z"}}, {"x_adpType": "supplier", "providerMetadata": {"orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "shortName": "siemens-SADP", "dateUpdated": "2026-11-10T12:35:27.249Z"}, "affected": [{"vendor": "Siemens", "product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0)", 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(6AG1518-4AX00-4AC0)", "versions": [{"status": "affected", "version": "V3.1.7", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}], "references": [{"url": "https://cert-portal.siemens.com/productcert/html/ssa-019113.html"}, {"url": "https://cert-portal.siemens.com/productcert/html/ssa-457936.html"}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-21913", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-11-05T20:36:48.446470Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-11-05T20:41:47.762Z"}}]}}

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MSR_FAM10H_MMIO_CONF_BASE to all guests. This results\nin the following warning:\n\n unchecked MSR access error: RDMSR from 0xc0010058 at rIP: 0xffffffff8101d19f (xen_do_read_msr+0x7f/0xa0)\n Call Trace:\n xen_read_msr+0x1e/0x30\n amd_get_mmconfig_range+0x2b/0x80\n quirk_amd_mmconfig_area+0x28/0x100\n pnp_fixup_device+0x39/0x50\n __pnp_add_device+0xf/0x150\n pnp_add_device+0x3d/0x100\n pnpacpi_add_device_handler+0x1f9/0x280\n acpi_ns_get_device_callback+0x104/0x1c0\n acpi_ns_walk_namespace+0x1d0/0x260\n acpi_get_devices+0x8a/0xb0\n pnpacpi_init+0x50/0x80\n do_one_initcall+0x46/0x2e0\n kernel_init_freeable+0x1da/0x2f0\n kernel_init+0x16/0x1b0\n ret_from_fork+0x30/0x50\n ret_from_fork_asm+0x1b/0x30\n\nbased on quirks for a \"PNP0c01\" device. 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"versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["arch/x86/kernel/amd_nb.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.1"}, {"lessThan": "6.1", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.131", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.83", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.19", "versionType": "semver"}, {"lessThanOrEqual": "6.13.*", "status": "unaffected", "version": "6.13.7", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "6.14", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"affectedData": [{"defaultStatus": "unknown", "product": "SIMATIC S7-1500 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"status": "affected", "version": "V3.1.6", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AB0)", "vendor": "Siemens", "versions": [{"lessThan": "*", "status": "affected", "version": "V3.1.7", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AC0)", "vendor": "Siemens", "versions": [{"lessThan": "*", "status": "affected", "version": "V3.1.6", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AC0)", "vendor": "Siemens", "versions": [{"lessThan": "*", "status": "affected", "version": "V3.1.7", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SIPLUS S7-1500 CPU 1518-4 PN/DP MFP (6AG1518-4AX00-4AC0)", "vendor": "Siemens", "versions": [{"lessThan": "*", "status": "affected", "version": "V3.1.6", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SIPLUS S7-1500 CPU 1518-4 PN/DP MFP (6AG1518-4AX00-4AC0)", "vendor": "Siemens", "versions": [{"lessThan": "*", "status": "affected", "version": "V3.1.7", "versionType": "custom"}]}], "source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "550D2D4D-B8BC-42BB-850B-AAAFDBEDAB8B", "versionEndExcluding": "6.1.131", "versionStartIncluding": "6.1", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "7D9F642F-6E05-4926-B0FE-62F95B7266BC", "versionEndExcluding": "6.6.83", "versionStartIncluding": "6.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "32865E5C-8AE1-4D3D-A64D-299039694A88", "versionEndExcluding": "6.12.19", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "842F5A44-3E71-4546-B4FD-43B0ACE3F32B", "versionEndExcluding": "6.13.7", "versionStartIncluding": "6.13", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.14:rc1:*:*:*:*:*:*", "matchCriteriaId": "186716B6-2B66-4BD0-852E-D48E71C0C85F", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.14:rc2:*:*:*:*:*:*", "matchCriteriaId": "0D3E781C-403A-498F-9DA9-ECEE50F41E75", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.14:rc3:*:*:*:*:*:*", "matchCriteriaId": "66619FB8-0AAF-4166-B2CF-67B24143261D", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.14:rc4:*:*:*:*:*:*", "matchCriteriaId": "D3D6550E-6679-4560-902D-AF52DCFE905B", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.14:rc5:*:*:*:*:*:*", "matchCriteriaId": "45B90F6B-BEC7-4D4E-883A-9DBADE021750", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nx86/amd_nb: Use rdmsr_safe() in amd_get_mmconfig_range()\n\nXen doesn't offer MSR_FAM10H_MMIO_CONF_BASE to all guests. This results\nin the following warning:\n\n unchecked MSR access error: RDMSR from 0xc0010058 at rIP: 0xffffffff8101d19f (xen_do_read_msr+0x7f/0xa0)\n Call Trace:\n xen_read_msr+0x1e/0x30\n amd_get_mmconfig_range+0x2b/0x80\n quirk_amd_mmconfig_area+0x28/0x100\n pnp_fixup_device+0x39/0x50\n __pnp_add_device+0xf/0x150\n pnp_add_device+0x3d/0x100\n pnpacpi_add_device_handler+0x1f9/0x280\n acpi_ns_get_device_callback+0x104/0x1c0\n acpi_ns_walk_namespace+0x1d0/0x260\n acpi_get_devices+0x8a/0xb0\n pnpacpi_init+0x50/0x80\n do_one_initcall+0x46/0x2e0\n kernel_init_freeable+0x1da/0x2f0\n kernel_init+0x16/0x1b0\n ret_from_fork+0x30/0x50\n ret_from_fork_asm+0x1b/0x30\n\nbased on quirks for a \"PNP0c01\" device. Treating MMCFG as disabled is the\nright course of action, so no change is needed there.\n\nThis was most likely exposed by fixing the Xen MSR accessors to not be\nsilently-safe."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: x86/amd_nb: Utilice rdmsr_safe() en amd_get_mmconfig_range() Xen no ofrece MSR_FAM10H_MMIO_CONF_BASE a todos los invitados. Esto genera la siguiente advertencia: error de acceso a MSR sin marcar: RDMSR desde 0xc0010058 en rIP: 0xffffffff8101d19f (xen_do_read_msr+0x7f/0xa0) Seguimiento de llamadas: xen_read_msr+0x1e/0x30 amd_get_mmconfig_range+0x2b/0x80 quirk_amd_mmconfig_area+0x28/0x100 pnp_fixup_device+0x39/0x50 __pnp_add_device+0xf/0x150 pnp_add_device+0x3d/0x100 pnpacpi_add_device_handler+0x1f9/0x280 acpi_ns_get_device_callback+0x104/0x1c0 acpi_ns_walk_namespace+0x1d0/0x260 acpi_get_devices+0x8a/0xb0 pnpacpi_init+0x50/0x80 do_one_initcall+0x46/0x2e0 kernel_init_freeable+0x1da/0x2f0 kernel_init+0x16/0x1b0 ret_from_fork+0x30/0x50 ret_from_fork_asm+0x1b/0x30 basado en peculiaridades de un dispositivo \"PNP0c01\". Considerar MMCFG como deshabilitado es la acci\u00f3n correcta, por lo que no es necesario realizar ning\u00fan cambio. Esto probablemente se expuso al corregir los accesores MSR de Xen para que no fueran silenciosamente seguros."}], "id": "CVE-2025-21913", "lastModified": "2026-11-10T13:17:38.880", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-21913", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-11-05T20:36:48.446470Z", "version": "2.0.3"}}]}, "published": "2025-04-01T16:15:21.893", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/0c65d13bdcc54e5b924ebe790f85a7f01bfe1cb1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/14cb5d83068ecf15d2da6f7d0e9ea9edbcbc0457"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8f43ba5ee498fe037d1570f6868d9aeaf49dda80"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/923fede9eae9865af305bcdf8f111e4b62ae4bda"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ebf6a763904e42dabeb2e270ceb0bbe0f825d7ae"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-019113.html"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-457936.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: x86/amd_nb: Use rdmsr_safe() in amd_get_mmconfig_range()", "id": "2356672", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2356672"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.3", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L", "status": "draft"}, "cwe": "CWE-20", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nx86/amd_nb: Use rdmsr_safe() in amd_get_mmconfig_range()\nXen doesn't offer MSR_FAM10H_MMIO_CONF_BASE to all guests. This results\nin the following warning:\nunchecked MSR access error: RDMSR from 0xc0010058 at rIP: 0xffffffff8101d19f (xen_do_read_msr+0x7f/0xa0)\nCall Trace:\nxen_read_msr+0x1e/0x30\namd_get_mmconfig_range+0x2b/0x80\nquirk_amd_mmconfig_area+0x28/0x100\npnp_fixup_device+0x39/0x50\n__pnp_add_device+0xf/0x150\npnp_add_device+0x3d/0x100\npnpacpi_add_device_handler+0x1f9/0x280\nacpi_ns_get_device_callback+0x104/0x1c0\nacpi_ns_walk_namespace+0x1d0/0x260\nacpi_get_devices+0x8a/0xb0\npnpacpi_init+0x50/0x80\ndo_one_initcall+0x46/0x2e0\nkernel_init_freeable+0x1da/0x2f0\nkernel_init+0x16/0x1b0\nret_from_fork+0x30/0x50\nret_from_fork_asm+0x1b/0x30\nbased on quirks for a \"PNP0c01\" device. Treating MMCFG as disabled is the\nright course of action, so no change is needed there.\nThis was most likely exposed by fixing the Xen MSR accessors to not be\nsilently-safe."], "name": "CVE-2025-21913", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "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": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "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": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-04-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-21913\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-21913\nhttps://lore.kernel.org/linux-cve-announce/2025040130-CVE-2025-21913-b942@gregkh/T"], "threat_severity": "Moderate"}

{}