Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.13, < 5.14.9 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/afd92d82c9d715fb97565408755acad81573591aPatch
- https://git.kernel.org/stable/c/f020bb63b5d2e5576acadd10e158fe3b04af67baPatch
- https://git.kernel.org/stable/c/afd92d82c9d715fb97565408755acad81573591aPatch
- https://git.kernel.org/stable/c/f020bb63b5d2e5576acadd10e158fe3b04af67baPatch
FAQ
What is CVE-2021-47367?
CVE-2021-47367 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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...
How severe is CVE-2021-47367?
CVE-2021-47367 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-47367?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.