Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconncount: Update lastgc only when garbage collection GC has been performed. Currently, lastgc is updated every time a new connection is tracked. This means it is updated even if no garbage collection was performed...

SUSE CVE-2026-23139

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconncount: update lastgc only when GC has been performed Currently lastgc is being updated everytime a new connection is tracked, that means that it is updated even if a GC wasn't performed. With a sufficiently high...

CVE-2026-23139

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconncount: update lastgc only when GC has been performed Currently lastgc is being updated everytime a new connection is tracked, that means that it is updated even if a GC wasn't performed. With a sufficiently high...

UBUNTU-CVE-2026-23139

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconncount: update lastgc only when GC has been performed Currently lastgc is being updated everytime a new connection is tracked, that means that it is updated even if a GC wasn't performed. With a sufficiently high...

CVE-2026-23139

CVE-2026-23139 affects the Linux kernel netfilter nf_conncount code. The root cause was that the last_gc timestamp was updated every time a connection was tracked, even when a garbage collection (GC) was not performed, enabling potential GC bypass under high packet rates and unbounded growth of t...