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CVE-2021-3178

Опубликовано: 29 янв. 2021
Источник: msrc
CVSS3: 6.5
EPSS Низкий

Описание

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

FAQ

Is Azure Linux the only Microsoft product that includes this open-source library and is therefore potentially affected by this vulnerability?

One of the main benefits to our customers who choose to use the Azure Linux distro is the commitment to keep it up to date with the most recent and most secure versions of the open source libraries with which the distro is composed. Microsoft is committed to transparency in this work which is why we began publishing CSAF/VEX in October 2025. See this blog post for more information. If impact to additional products is identified, we will update the CVE to reflect this.

EPSS

Процентиль: 37%
0.00156
Низкий

6.5 Medium

CVSS3

Связанные уязвимости

CVSS3: 6.5
ubuntu
около 5 лет назад

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

CVSS3: 5.7
redhat
около 5 лет назад

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

CVSS3: 6.5
nvd
около 5 лет назад

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

CVSS3: 6.5
debian
около 5 лет назад

fs/nfsd/nfs3xdr.c in the Linux kernel through 5.10.8, when there is an ...

CVSS3: 6.5
github
больше 3 лет назад

** 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.

EPSS

Процентиль: 37%
0.00156
Низкий

6.5 Medium

CVSS3