CVE-2026-23139

In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_conncount: update last_gc only when GC has been performed Currently last_gc 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 packet rate, it is possible to always bypass the GC, causing the list to grow infinitely. Update the last_gc value only when a GC has been actually performed.

The following products are affected by CVE-2026-23139 vulnerability.

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-23139.

URL	Resource
https://git.kernel.org/stable/c/26a82dce2beee39c43c109d9647e16f49cb02a35
https://git.kernel.org/stable/c/2c7c71113ed6d3e2f3aca4c088f22283016ff34f
https://git.kernel.org/stable/c/3cd717359e56f82f06cbf8279b47a7d79880c6f3
https://git.kernel.org/stable/c/7811ba452402d58628e68faedf38745b3d485e3c
https://git.kernel.org/stable/c/8bdafdf4900040a81422056cabe5e00a37bd101a
https://git.kernel.org/stable/c/9f45588993d7f115280fc726119ca86fba32a811
https://git.kernel.org/stable/c/c4cde57c8affdcca5bcff53a1047e15d268bdca1
https://lore.kernel.org/linux-cve-announce/2026021429-CVE-2026-23139-a7b4@gregkh/T
https://nvd.nist.gov/vuln/detail/CVE-2026-23139
https://www.cve.org/CVERecord?id=CVE-2026-23139