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Ubuntu.comUB:CVE-2021-47367HistoryMay 21, 2024 - 12:00 a.m.
CVE-2021-47367
2024-05-2100:00:00
ubuntu.com
ubuntu.com
4
linux kernel
virtio-net
vulnerability
page leaking
fixed
unix
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.
References
git.kernel.org/linus/afd92d82c9d715fb97565408755acad81573591a (5.15-rc3)
git.kernel.org/stable/c/afd92d82c9d715fb97565408755acad81573591a
git.kernel.org/stable/c/f020bb63b5d2e5576acadd10e158fe3b04af67ba
launchpad.net/bugs/cve/CVE-2021-47367
nvd.nist.gov/vuln/detail/CVE-2021-47367
security-tracker.debian.org/tracker/CVE-2021-47367
www.cve.org/CVERecord?id=CVE-2021-47367
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