Ubuntu Security Notices guidance
Vendor revision: Oct 13, 2026This update corrects flaws in the following subsystems: - IPv6 networking; - Netfilter; (CVE-2026-53131)
Vulnerability intelligence
CVE-2018-13100 and is rated Medium severity with a CVSS score of 5.5. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.
This update corrects flaws in the following subsystems: - IPv6 networking; - Netfilter; (CVE-2026-53131)
An issue was discovered in fs/f2fs/super.c in the Linux kernel through 4.17.3, which does not properly validate secs_per_zone in a corrupted f2fs image, as demonstrated by a divide-by-zero error.
Source: NVD