medium5.5
CVE-2021-47367
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…
Impact
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
| Vendor | Product | Affected versions |
|---|---|---|
| Linux | Linux Kernel | from 5.13 before 5.14.9 Version 5.15 |
Weakness classification
References
- NVD record
- CVE.org record
- https://git.kernel.org/stable/c/afd92d82c9d715fb97565408755acad81573591a
- https://git.kernel.org/stable/c/f020bb63b5d2e5576acadd10e158fe3b04af67ba
- https://git.kernel.org/stable/c/afd92d82c9d715fb97565408755acad81573591a
- https://git.kernel.org/stable/c/f020bb63b5d2e5576acadd10e158fe3b04af67ba