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ubuntucveUbuntu.comUB:CVE-2020-14386
HistorySep 04, 2020 - 12:00 a.m.

CVE-2020-14386

2020-09-0400:00:00
ubuntu.com
ubuntu.com
18

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.2 High

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.0004 Low

EPSS

Percentile

13.3%

JSON

A flaw was found in the Linux kernel before 5.9-rc4. Memory corruption can
be exploited to gain root privileges from unprivileged processes. The
highest threat from this vulnerability is to data confidentiality and
integrity.

Notes

Author Note
sbeattie requires CAP_NET_RAW
cascardo Added break as investigated by Solar Designer.
sbeattie older backports without 8e8e2951e309 will need second lore.kernel.org variant
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux< 4.15.0-117.118UNKNOWN
ubuntu20.04noarchlinux< 5.4.0-47.51UNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1082.86UNKNOWN
ubuntu20.04noarchlinux-aws< 5.4.0-1024.24UNKNOWN
ubuntu18.04noarchlinux-aws-5.3< 5.3.0-1035.37UNKNOWN
ubuntu18.04noarchlinux-aws-5.4< 5.4.0-1024.24~18.04.1UNKNOWN
ubuntu16.04noarchlinux-aws-hwe< 4.15.0-1082.86~16.04.1UNKNOWN
ubuntu20.04noarchlinux-azure< 5.4.0-1025.25UNKNOWN
ubuntu14.04noarchlinux-azure< 4.15.0-1095.105~14.04.1) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu16.04noarchlinux-azure< 4.15.0-1095.105~16.04.1UNKNOWN
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7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.2 High

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.0004 Low

EPSS

Percentile

13.3%

JSON
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