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ubuntucveUbuntu.comUB:CVE-2020-10767
HistoryJun 10, 2020 - 12:00 a.m.

CVE-2020-10767

2020-06-1000:00:00
ubuntu.com
ubuntu.com
18

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

1.9 Low

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.0004 Low

EPSS

Percentile

5.3%

A flaw was found in the Linux kernel before 5.8-rc1 in the implementation
of the Enhanced IBPB (Indirect Branch Prediction Barrier). The IBPB
mitigation will be disabled when STIBP is not available or when the
Enhanced Indirect Branch Restricted Speculation (IBRS) is available. This
flaw allows a local attacker to perform a Spectre V2 style attack when this
configuration is active. The highest threat from this vulnerability is to
confidentiality.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux< 4.15.0-115.116UNKNOWN
ubuntu20.04noarchlinux< 5.4.0-45.49UNKNOWN
ubuntu16.04noarchlinux< 4.4.0-186.216UNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1080.84UNKNOWN
ubuntu20.04noarchlinux-aws< 5.4.0-1022.22UNKNOWN
ubuntu14.04noarchlinux-aws< 4.4.0-1075.79) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu16.04noarchlinux-aws< 4.4.0-1111.123UNKNOWN
ubuntu18.04noarchlinux-aws-5.3< 5.3.0-1032.34~18.04.2UNKNOWN
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
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5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

1.9 Low

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.0004 Low

EPSS

Percentile

5.3%