--- title: "CVE-2026-53615: util-linux - Data Tampering" description: "util-linux < 2.41.4 contains a partition metadata integrity compromise caused by 32-bit addition overflow and missing bounds checks in parse_dos_extended(), letting local attackers cause false overlapping partition reports, exploit requires crafted DOS extended-partition disk image." url: https://panop.io/threat-heartbeat/CVE-2026-53615/ --- # CVE-2026-53615 util-linux - Data Tampering util-linux < 2.41.4 contains a partition metadata integrity compromise caused by 32-bit addition overflow and missing bounds checks in parse\_dos\_extended(), letting local attackers cause false overlapping partition reports, exploit requires crafted DOS extended-partition disk image. CVSS base score 8.0 /10 High CISA KEV Not listed Public exploit None known Authentication Not required [View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-53615) ## Details Type Data Tampering Impact Data Tampering CVSS vector CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H Published 14 October 2026 Updated 15 October 2026 Weakness [CWE-190](https://cwe.mitre.org/data/definitions/190.html) ## Vendor fix Update to version 2.41.4 or later. Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them. ## References - [https://nvd.nist.gov/vuln/detail/CVE-2026-53615](https://nvd.nist.gov/vuln/detail/CVE-2026-53615) - [https://github.com/util-linux/util-linux/security/advisories/GHSA-h4rw-gv36-wmp5](https://github.com/util-linux/util-linux/security/advisories/GHSA-h4rw-gv36-wmp5) - [https://github.com/util-linux/util-linux/commit/05c2dbadf34cc74192287f377904afaaf4061623](https://github.com/util-linux/util-linux/commit/05c2dbadf34cc74192287f377904afaaf4061623) - [https://github.com/util-linux/util-linux/commit/a2d858176b609ab5b8535021a3af9cd302d23d31](https://github.com/util-linux/util-linux/commit/a2d858176b609ab5b8535021a3af9cd302d23d31) - [https://github.com/util-linux/util-linux/commit/e9d544d013267ea86b70ee8ff78abd280e6641af](https://github.com/util-linux/util-linux/commit/e9d544d013267ea86b70ee8ff78abd280e6641af) - [https://github.com/util-linux/util-linux/releases/tag/v2.41.4](https://github.com/util-linux/util-linux/releases/tag/v2.41.4) [← All CVEs](https://panop.io/threat-heartbeat/) ## What this record can't tell you - Whether you run the affected software, and where - Whether an attacker can actually reach and exploit it - The misconfigurations that never get a CVE number - What it would cost the business, ranked into what to fix first Panop answers these inside your environment, for this CVE and every other finding. [Book a demo](https://panop.io/demo)