{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2024-56750", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-12-29T11:26:39.759Z", "datePublished": "2024-12-29T11:30:16.053Z", "dateUpdated": "2024-12-29T11:30:16.053Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-12-29T11:30:16.053Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nerofs: fix blksize < PAGE_SIZE for file-backed mounts\n\nAdjust sb->s_blocksize{,_bits} directly for file-backed\nmounts when the fs block size is smaller than PAGE_SIZE.\n\nPreviously, EROFS used sb_set_blocksize(), which caused\na panic if bdev-backed mounts is not used."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/erofs/super.c"], "versions": [{"version": "fb176750266a3d7f42ebdcf28e8ba40350b27847", "lessThan": "679d8537e5748241c71ac97a6b6dc919eae31716", "status": "affected", "versionType": "git"}, {"version": "fb176750266a3d7f42ebdcf28e8ba40350b27847", "lessThan": "bae0854160939a64a092516ff1b2f221402b843b", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/erofs/super.c"], "versions": [{"version": "6.12", "status": "affected"}, {"version": "0", "lessThan": "6.12", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.2", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.13-rc1", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/679d8537e5748241c71ac97a6b6dc919eae31716"}, {"url": "https://git.kernel.org/stable/c/bae0854160939a64a092516ff1b2f221402b843b"}], "title": "erofs: fix blksize < PAGE_SIZE for file-backed mounts", "x_generator": {"engine": "bippy-5f407fcff5a0"}}}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "D8882B1B-2ABC-4838-AC1D-DBDBB5764776", "versionEndExcluding": "6.12.2", "versionStartIncluding": "6.12", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nerofs: fix blksize < PAGE_SIZE for file-backed mounts\n\nAdjust sb->s_blocksize{,_bits} directly for file-backed\nmounts when the fs block size is smaller than PAGE_SIZE.\n\nPreviously, EROFS used sb_set_blocksize(), which caused\na panic if bdev-backed mounts is not used."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: erofs: corrige blksize &lt; PAGE_SIZE para montajes respaldados por archivos Ajuste sb-&gt;s_blocksize{,_bits} directamente para montajes respaldados por archivos cuando el tama\u00f1o de bloque fs es menor que PAGE_SIZE. Anteriormente, EROFS usaba sb_set_blocksize(), que causaba un p\u00e1nico si no se usaban montajes respaldados por bdev."}], "id": "CVE-2024-56750", "lastModified": "2025-01-06T17:04:58.267", "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"}]}, "published": "2024-12-29T12:15:08.517", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/679d8537e5748241c71ac97a6b6dc919eae31716"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/bae0854160939a64a092516ff1b2f221402b843b"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: erofs: fix blksize < PAGE_SIZE for file-backed mounts", "id": "2334832", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2334832"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nerofs: fix blksize < PAGE_SIZE for file-backed mounts\nAdjust sb->s_blocksize{,_bits} directly for file-backed\nmounts when the fs block size is smaller than PAGE_SIZE.\nPreviously, EROFS used sb_set_blocksize(), which caused\na panic if bdev-backed mounts is not used."], "name": "CVE-2024-56750", "package_state": [{"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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-12-29T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-56750\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-56750\nhttps://lore.kernel.org/linux-cve-announce/2024122927-CVE-2024-56750-db4d@gregkh/T"], "threat_severity": "Moderate"}