CVE-2026-53615

{"id": "CVE-2026-53615", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-53615", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-14T16:11:25.315520Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.0, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 5.5, "exploitabilityScore": 2.5}]}, "affected": [{"source": "security-advisories@github.com", "affectedData": [{"vendor": "util-linux", "product": "util-linux", "versions": [{"status": "affected", "version": "< 2.41.4"}]}]}], "published": "2026-10-14T16:17:46.070", "references": [{"url": "https://github.com/util-linux/util-linux/commit/05c2dbadf34cc74192287f377904afaaf4061623", "source": "security-advisories@github.com"}, {"url": "https://github.com/util-linux/util-linux/commit/a2d858176b609ab5b8535021a3af9cd302d23d31", "source": "security-advisories@github.com"}, {"url": "https://github.com/util-linux/util-linux/commit/e9d544d013267ea86b70ee8ff78abd280e6641af", "source": "security-advisories@github.com"}, {"url": "https://github.com/util-linux/util-linux/releases/tag/v2.41.4", "source": "security-advisories@github.com"}, {"url": "https://github.com/util-linux/util-linux/security/advisories/GHSA-h4rw-gv36-wmp5", "source": "security-advisories@github.com"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-190"}]}], "descriptions": [{"lang": "en", "value": "util-linux is a random collection of Linux utilities. Before util-linux 2.41.4, `parse_dos_extended()` in `libblkid/src/partitions/dos.c` computes an extended-partition start sector with 32-bit addition and does not apply the extended-area bounds checks to the first two EBR entries. A local attacker who causes a crafted DOS extended-partition disk image or removable medium to be probed can wrap `cur_start + start` to sector zero and cause libblkid to report a false partition overlapping the MBR. This directly compromises the integrity of the reported partition metadata; disk modification or availability loss requires a separate downstream consumer to act on that metadata. This issue is fixed in 2.41.4."}], "lastModified": "2026-10-16T16:00:33.533", "sourceIdentifier": "security-advisories@github.com"}