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ubuntucveUbuntu.comUB:CVE-2021-3178
HistoryJan 19, 2021 - 12:00 a.m.

CVE-2021-3178

2021-01-1900:00:00
ubuntu.com
ubuntu.com
14

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

5.5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:S/C:P/I:P/A:N

0.002 Low

EPSS

Percentile

56.7%

JSON

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.

Notes

Author Note
mdeslaur security relevance is disputed
OSVersionArchitecturePackageVersionFilename
ubuntu20.04noarchlinux< 5.4.0-67.75UNKNOWN
ubuntu16.04noarchlinux< 4.4.0-204.236UNKNOWN
ubuntu20.10noarchlinux< 5.8.0-49.55UNKNOWN
ubuntu18.04noarchlinux< 4.15.0-137.141UNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1095.102UNKNOWN
ubuntu20.10noarchlinux-aws< 5.8.0-1028.30UNKNOWN
ubuntu14.04noarchlinux-aws< 4.4.0-1087.91) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu20.04noarchlinux-aws< 5.4.0-1039.41UNKNOWN
ubuntu16.04noarchlinux-aws< 4.4.0-1123.137UNKNOWN
ubuntu18.04noarchlinux-aws-5.4< 5.4.0-1039.41~18.04.1UNKNOWN
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[SECURITY] Fedora 33 Update: kernel-5.10.10-200.fc33
2021-01-27 01:19:45
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CVE-2021-3178 affecting package kernel 5.4.91-6
2021-08-25 19:57:09
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Important: kernel
2021-02-17 18:07:00
Important: kernel
2021-02-17 18:07:00
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2021-02-16 00:13:00
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Fix of CVE: CVE-2021-34693, CVE-2021-20292, CVE-2021-28972, CVE-2021-20265, CVE-2021-32399, CVE-2014-4508, CVE-2021-3612, CVE-2021-3178, CVE-2021-37159, CVE-2021-38205, CVE-2021-3573, CVE-2021-38160
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Fix of CVE: CVE-2021-38160, CVE-2021-3573, CVE-2021-38205, CVE-2021-3178, CVE-2021-20265, CVE-2021-3612, CVE-2021-32399, CVE-2021-37159, CVE-2014-4508, CVE-2021-28972, CVE-2021-34693, CVE-2021-20292
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[SECURITY] [DLA 2586-1] linux security update
2021-03-09 18:08:10

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

5.5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:S/C:P/I:P/A:N

0.002 Low

EPSS

Percentile

56.7%

JSON
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