CVE-2021-47367: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: virtio-net: fix pages leaking when building skb in big mode We try to use build_skb() if we had sufficient tailroom. But we forget to release the unused pages chained via private in big mode which will leak pages. Fixing this by release the pages after building the skb in big mode.

Affected products

• Linux Linux Kernel: from 5.13, before 5.14.9 (fixed in 5.14.9); version 5.15 only

Published 2024-05-21. Last modified 2026-06-17.