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ubuntucveUbuntu.comUB:CVE-2019-18660
HistoryNov 27, 2019 - 12:00 a.m.

CVE-2019-18660

2019-11-2700:00:00
ubuntu.com
ubuntu.com
28

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

0.001 Low

EPSS

Percentile

29.0%

The Linux kernel before 5.4.1 on powerpc allows Information Exposure
because the Spectre-RSB mitigation is not in place for all applicable CPUs,
aka CID-39e72bf96f58. This is related to arch/powerpc/kernel/entry_64.S and
arch/powerpc/kernel/security.c.

Bugs

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux< 4.15.0-74.84UNKNOWN
ubuntu19.04noarchlinux< 5.0.0-38.41UNKNOWN
ubuntu19.10noarchlinux< 5.3.0-26.28UNKNOWN
ubuntu16.04noarchlinux< 4.4.0-171.200UNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1057.59UNKNOWN
ubuntu19.04noarchlinux-aws< 5.0.0-1023.26UNKNOWN
ubuntu19.10noarchlinux-aws< 5.3.0-1009.10UNKNOWN
ubuntu14.04noarchlinux-aws< 4.4.0-1060.64) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu16.04noarchlinux-aws< 4.4.0-1100.111UNKNOWN
ubuntu18.04noarchlinux-aws-5.0< 5.0.0-1023.26~18.04.1UNKNOWN
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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

0.001 Low

EPSS

Percentile

29.0%