{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-38071", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-04-16T04:51:23.980Z", "datePublished": "2025-06-18T09:33:47.975Z", "dateUpdated": "2025-06-18T09:33:47.975Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-06-18T09:33:47.975Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nx86/mm: Check return value from memblock_phys_alloc_range()\n\nAt least with CONFIG_PHYSICAL_START=0x100000, if there is < 4 MiB of\ncontiguous free memory available at this point, the kernel will crash\nand burn because memblock_phys_alloc_range() returns 0 on failure,\nwhich leads memblock_phys_free() to throw the first 4 MiB of physical\nmemory to the wolves.\n\nAt a minimum it should fail gracefully with a meaningful diagnostic,\nbut in fact everything seems to work fine without the weird reserve\nallocation."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["arch/x86/mm/init.c"], "versions": [{"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "8c18c904d301ffeb33b071eadc55cd6131e1e9be", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "bffd5f2815c5234d609725cd0dc2f4bc5de2fc67", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "c6f2694c580c27dca0cf7546ee9b4bfa6b940e38", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "dde4800d2b0f68b945fd81d4fc2d4a10ae25f743", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "631ca8909fd5c62b9fda9edda93924311a78a9c4", "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/mm/init.c"], "versions": [{"version": "6.1.141", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.93", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.31", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.14.9", "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:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.1.141"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.6.93"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.12.31"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.14.9"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.15"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/8c18c904d301ffeb33b071eadc55cd6131e1e9be"}, {"url": "https://git.kernel.org/stable/c/bffd5f2815c5234d609725cd0dc2f4bc5de2fc67"}, {"url": "https://git.kernel.org/stable/c/c6f2694c580c27dca0cf7546ee9b4bfa6b940e38"}, {"url": "https://git.kernel.org/stable/c/dde4800d2b0f68b945fd81d4fc2d4a10ae25f743"}, {"url": "https://git.kernel.org/stable/c/631ca8909fd5c62b9fda9edda93924311a78a9c4"}], "title": "x86/mm: Check return value from memblock_phys_alloc_range()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nx86/mm: Check return value from memblock_phys_alloc_range()\n\nAt least with CONFIG_PHYSICAL_START=0x100000, if there is < 4 MiB of\ncontiguous free memory available at this point, the kernel will crash\nand burn because memblock_phys_alloc_range() returns 0 on failure,\nwhich leads memblock_phys_free() to throw the first 4 MiB of physical\nmemory to the wolves.\n\nAt a minimum it should fail gracefully with a meaningful diagnostic,\nbut in fact everything seems to work fine without the weird reserve\nallocation."}], "id": "CVE-2025-38071", "lastModified": "2025-06-18T13:46:52.973", "metrics": {}, "published": "2025-06-18T10:15:40.450", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/631ca8909fd5c62b9fda9edda93924311a78a9c4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8c18c904d301ffeb33b071eadc55cd6131e1e9be"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/bffd5f2815c5234d609725cd0dc2f4bc5de2fc67"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c6f2694c580c27dca0cf7546ee9b4bfa6b940e38"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/dde4800d2b0f68b945fd81d4fc2d4a10ae25f743"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: x86/mm: Check return value from memblock_phys_alloc_range()", "id": "2373332", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2373332"}, "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:\nx86/mm: Check return value from memblock_phys_alloc_range()\nAt least with CONFIG_PHYSICAL_START=0x100000, if there is < 4 MiB of\ncontiguous free memory available at this point, the kernel will crash\nand burn because memblock_phys_alloc_range() returns 0 on failure,\nwhich leads memblock_phys_free() to throw the first 4 MiB of physical\nmemory to the wolves.\nAt a minimum it should fail gracefully with a meaningful diagnostic,\nbut in fact everything seems to work fine without the weird reserve\nallocation."], "name": "CVE-2025-38071", "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": "Under investigation", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Under investigation", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Under investigation", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "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": "2025-06-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-38071\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-38071\nhttps://lore.kernel.org/linux-cve-announce/2025061838-CVE-2025-38071-cc7c@gregkh/T"], "threat_severity": "Moderate"}