A bulletin dated September 25, 2026 reports an update addressing flaws in the Linux kernel’s NFS, IPv6 networking, and Netfilter subsystems.
Bulletin USN-8819-2, dated September 25, 2026, reports several security issues in the Linux kernel. According to the notice, an attacker could possibly exploit them to compromise a system. The stated update fixes issues in the network file system server (NFS), IPv6 networking, and Netfilter. The cited identifiers are CVE-2025-38724, CVE-2026-53131, and CVE-2026-53221.
The supplied text is an automatic translation of content from the Ubuntu Security feed. To confirm the scope, exact wording, and update guidance, consult the original notice by searching for USN-8819-2, and check the three CVEs against recognized security sources. Do not treat this summary as a substitute for official instructions applicable to your distribution and system version.