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ubuntucveUbuntu.comUB:CVE-2020-24394
HistoryAug 19, 2020 - 12:00 a.m.

CVE-2020-24394

2020-08-1900:00:00
ubuntu.com
ubuntu.com
26
linux
nfs server
filesystem permissions

CVSS2

3.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

7.1

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

EPSS

0.001

Percentile

18.9%

JSON

In the Linux kernel before 5.7.8, fs/nfsd/vfs.c (in the NFS server) can set
incorrect permissions on new filesystem objects when the filesystem lacks
ACL support, aka CID-22cf8419f131. This occurs because the current umask is
not considered.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux< 4.15.0-115.116UNKNOWN
ubuntu20.04noarchlinux< 5.4.0-45.49UNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1080.84UNKNOWN
ubuntu20.04noarchlinux-aws< 5.4.0-1022.22UNKNOWN
ubuntu18.04noarchlinux-aws-5.3< 5.3.0-1033.35UNKNOWN
ubuntu18.04noarchlinux-aws-5.4< 5.4.0-1022.22~18.04.1UNKNOWN
ubuntu16.04noarchlinux-aws-hwe< 4.15.0-1080.84~16.04.1UNKNOWN
ubuntu20.04noarchlinux-azure< 5.4.0-1023.23UNKNOWN
ubuntu14.04noarchlinux-azure< 4.15.0-1093.103~14.04.1UNKNOWN
ubuntu16.04noarchlinux-azure< 4.15.0-1093.103~16.04.1UNKNOWN
Rows per page:
1-10 of 361

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K04553557 : Linux nfsd kernel vulnerability CVE-2020-24394
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CVSS2

3.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

7.1

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

EPSS

0.001

Percentile

18.9%

JSON
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