CVE-2021-3178

Name
CVE-2021-3178
Description
** DISPUTED ** 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.
NVD Severity
medium
Other trackers
Mailing lists
Exploits
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
Mailing List https://patchwork.kernel.org/project/linux-nfs/patch/20210111210129.GA11652@fieldses.org/
Mailing List https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=51b2ee7d006a736a9126e8111d1f24e4fd0afaa6
Mailing List https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5SGB7TNDVQEOJ7NVTGX56UWHDNQM5TRC/
Mailing List https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html

Match rules

CPE URI Source package Min version Max version
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* linux_kernel >= None <= 5.10.8

Vulnerable and fixed packages

Source package Branch Version Maintainer Status