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ubuntucveUbuntu.comUB:CVE-2020-4788
HistoryNov 19, 2020 - 12:00 a.m.

CVE-2020-4788

2020-11-1900:00:00
ubuntu.com
ubuntu.com
19

4.7 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:L/AC:H/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

8.9%

JSON

IBM Power9 (AIX 7.1, 7.2, and VIOS 3.1) processors could allow a local user
to obtain sensitive information from the data in the L1 cache under
extenuating circumstances. IBM X-Force ID: 189296.

Bugs

Notes

Author Note
sbeattie Power9 support landed in ~4.9 timeframe
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux< 4.15.0-126.129UNKNOWN
ubuntu20.04noarchlinux< 5.4.0-56.62UNKNOWN
ubuntu20.10noarchlinux< 5.8.0-31.33UNKNOWN
ubuntu16.04noarchlinux< 4.4.0-197.229UNKNOWN
ubuntu20.04noarchlinux-aws< 5.4.0-1032.33UNKNOWN
ubuntu14.04noarchlinux-aws< 4.4.0-1082.86) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu16.04noarchlinux-aws< 4.4.0-1119.133UNKNOWN
ubuntu18.04noarchlinux-aws-5.4< 5.4.0-1032.33~18.04.1UNKNOWN
ubuntu20.04noarchlinux-azure< 5.4.0-1034.35UNKNOWN
ubuntu14.04noarchlinux-azure< 4.15.0-1100.111~14.04.1) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
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4.7 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:L/AC:H/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

8.9%

JSON
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