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MitreCVELIST:CVE-2021-3178HistoryJan 19, 2021 - 6:44 a.m.
CVE-2021-3178
2021-01-1906:44:51
mitre
www.cve.org
2
fs/nfsd/nfs3xdr.c in the Linux kernel through 5.10.8, when there is an NFS export of a subdirectory of a filesystem, allows remote attackers to traverse to other parts of the filesystem via READDIRPLUS. NOTE: some parties argue that such a subdirectory export is not intended to prevent this attack; see also the exports(5) no_subtree_check default behavior
References
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=51b2ee7d006a736a9126e8111d1f24e4fd0afaa6
lists.debian.org/debian-lts-announce/2021/03/msg00010.html
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5SGB7TNDVQEOJ7NVTGX56UWHDNQM5TRC/
patchwork.kernel.org/project/linux-nfs/patch/20210111210129.GA11652%40fieldses.org/
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