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-2018-13097 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. There is an out-of-bounds read or a divide-by-zero error for an incorrect user_block_count in a corrupted f2fs image, leading to a denial of service (BUG).
Source: NVD