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ubuntuUbuntuUSN-3541-1
HistoryJan 23, 2018 - 12:00 a.m.

Linux kernel vulnerabilities

2018-01-2300:00:00
ubuntu.com
43

5.6 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

6.6 Medium

AI Score

Confidence

High

4.7 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

NONE

Availability Impact

NONE

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

0.976 High

EPSS

Percentile

100.0%

JSON

Releases

  • Ubuntu 17.10

Packages

  • linux - Linux kernel

Details

Jann Horn discovered that microprocessors utilizing speculative
execution and branch prediction may allow unauthorized memory
reads via sidechannel attacks. This flaw is known as Spectre. A
local attacker could use this to expose sensitive information,
including kernel memory. This update provides mitigations for the
i386 (CVE-2017-5753 only), amd64, ppc64el, and s390x architectures.
(CVE-2017-5715, CVE-2017-5753)

USN-3523-1 mitigated CVE-2017-5754 (Meltdown) for the amd64
architecture in Ubuntu 17.10. This update provides the corresponding
mitigations for the ppc64el architecture. Original advisory details:

Jann Horn discovered that microprocessors utilizing speculative
execution and indirect branch prediction may allow unauthorized memory
reads via sidechannel attacks. This flaw is known as Meltdown. A local
attacker could use this to expose sensitive information, including
kernel memory. (CVE-2017-5754)

OSVersionArchitecturePackageVersionFilename
Ubuntu17.10noarchlinux-image-4.13.0-31-generic< 4.13.0-31.34UNKNOWN
Ubuntu17.10noarchblock-modules-4.13.0-31-generic-di< 4.13.0-31.34UNKNOWN
Ubuntu17.10noarchcrypto-modules-4.13.0-31-generic-di< 4.13.0-31.34UNKNOWN
Ubuntu17.10noarchfat-modules-4.13.0-31-generic-di< 4.13.0-31.34UNKNOWN
Ubuntu17.10noarchfb-modules-4.13.0-31-generic-di< 4.13.0-31.34UNKNOWN
Ubuntu17.10noarchfirewire-core-modules-4.13.0-31-generic-di< 4.13.0-31.34UNKNOWN
Ubuntu17.10noarchfloppy-modules-4.13.0-31-generic-di< 4.13.0-31.34UNKNOWN
Ubuntu17.10noarchfs-core-modules-4.13.0-31-generic-di< 4.13.0-31.34UNKNOWN
Ubuntu17.10noarchfs-secondary-modules-4.13.0-31-generic-di< 4.13.0-31.34UNKNOWN
Ubuntu17.10noarchinput-modules-4.13.0-31-generic-di< 4.13.0-31.34UNKNOWN
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1-10 of 581

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5.6 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

6.6 Medium

AI Score

Confidence

High

4.7 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

NONE

Availability Impact

NONE

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

0.976 High

EPSS

Percentile

100.0%

JSON
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