{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2024-46688", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-09-11T15:12:18.249Z", "datePublished": "2024-09-13T05:29:19.031Z", "dateUpdated": "2024-09-15T17:57:41.075Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-09-15T17:57:41.075Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nerofs: fix out-of-bound access when z_erofs_gbuf_growsize() partially fails\n\nIf z_erofs_gbuf_growsize() partially fails on a global buffer due to\nmemory allocation failure or fault injection (as reported by syzbot [1]),\nnew pages need to be freed by comparing to the existing pages to avoid\nmemory leaks.\n\nHowever, the old gbuf->pages[] array may not be large enough, which can\nlead to null-ptr-deref or out-of-bound access.\n\nFix this by checking against gbuf->nrpages in advance.\n\n[1] https://lore.kernel.org/r/000000000000f7b96e062018c6e3@google.com"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/erofs/zutil.c"], "versions": [{"version": "d6db47e571dc", "lessThan": "49c0e0819980", "status": "affected", "versionType": "git"}, {"version": "d6db47e571dc", "lessThan": "0005e01e1e87", "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/zutil.c"], "versions": [{"version": "6.10", "status": "affected"}, {"version": "0", "lessThan": "6.10", "status": "unaffected", "versionType": "custom"}, {"version": "6.10.8", "lessThanOrEqual": "6.10.*", "status": "unaffected", "versionType": "custom"}, {"version": "6.11", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/49c0e081998008cde0c872c0ff9affa1ece4b878"}, {"url": "https://git.kernel.org/stable/c/0005e01e1e875c5e27130c5e2ed0189749d1e08a"}], "title": "erofs: fix out-of-bound access when z_erofs_gbuf_growsize() partially fails", "x_generator": {"engine": "bippy-c9c4e1df01b2"}}}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "2CE718D7-41ED-4D4A-AED5-326C3D4383FB", "versionEndExcluding": "6.10.8", "versionStartIncluding": "6.10", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.11:rc1:*:*:*:*:*:*", "matchCriteriaId": "8B3CE743-2126-47A3-8B7C-822B502CF119", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.11:rc2:*:*:*:*:*:*", "matchCriteriaId": "4DEB27E7-30AA-45CC-8934-B89263EF3551", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.11:rc3:*:*:*:*:*:*", "matchCriteriaId": "E0005AEF-856E-47EB-BFE4-90C46899394D", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.11:rc4:*:*:*:*:*:*", "matchCriteriaId": "39889A68-6D34-47A6-82FC-CD0BF23D6754", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nerofs: fix out-of-bound access when z_erofs_gbuf_growsize() partially fails\n\nIf z_erofs_gbuf_growsize() partially fails on a global buffer due to\nmemory allocation failure or fault injection (as reported by syzbot [1]),\nnew pages need to be freed by comparing to the existing pages to avoid\nmemory leaks.\n\nHowever, the old gbuf->pages[] array may not be large enough, which can\nlead to null-ptr-deref or out-of-bound access.\n\nFix this by checking against gbuf->nrpages in advance.\n\n[1] https://lore.kernel.org/r/000000000000f7b96e062018c6e3@google.com"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: erofs: se corrige el acceso fuera de los l\u00edmites cuando z_erofs_gbuf_growsize() falla parcialmente Si z_erofs_gbuf_growsize() falla parcialmente en un b\u00fafer global debido a un error en la asignaci\u00f3n de memoria o inyecci\u00f3n de fallas (como lo inform\u00f3 syzbot [1]), se deben liberar nuevas p\u00e1ginas compar\u00e1ndolas con las p\u00e1ginas existentes para evitar fugas de memoria. Sin embargo, la matriz gbuf->pages[] anterior puede no ser lo suficientemente grande, lo que puede provocar un acceso fuera de los l\u00edmites o una desreferencia de ptr nula. Corrija esto verificando con gbuf->nrpages de antemano. [1] https://lore.kernel.org/r/000000000000f7b96e062018c6e3@google.com"}], "id": "CVE-2024-46688", "lastModified": "2024-09-19T18:01:43.037", "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": "2024-09-13T06:15:13.547", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/0005e01e1e875c5e27130c5e2ed0189749d1e08a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/49c0e081998008cde0c872c0ff9affa1ece4b878"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: erofs: fix out-of-bound access when z_erofs_gbuf_growsize() partially fails", "id": "2312076", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2312076"}, "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 out-of-bound access when z_erofs_gbuf_growsize() partially fails\nIf z_erofs_gbuf_growsize() partially fails on a global buffer due to\nmemory allocation failure or fault injection (as reported by syzbot [1]),\nnew pages need to be freed by comparing to the existing pages to avoid\nmemory leaks.\nHowever, the old gbuf->pages[] array may not be large enough, which can\nlead to null-ptr-deref or out-of-bound access.\nFix this by checking against gbuf->nrpages in advance.\n[1] https://lore.kernel.org/r/000000000000f7b96e062018c6e3@google.com"], "name": "CVE-2024-46688", "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": "2024-09-13T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-46688\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-46688\nhttps://lore.kernel.org/linux-cve-announce/2024091338-CVE-2024-46688-7a5a@gregkh/T"], "threat_severity": "Moderate"}