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ubuntuUbuntuUSN-3549-1
HistoryJan 29, 2018 - 12:00 a.m.

Linux kernel (KVM) vulnerabilities

2018-01-2900:00:00
ubuntu.com
74

CVSS2

4.7

Attack Vector

LOCAL

Attack 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

CVSS3

5.6

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

AI Score

6.5

Confidence

High

EPSS

0.976

Percentile

100.0%

JSON

Releases

  • Ubuntu 16.04 ESM

Packages

  • linux-kvm - Linux kernel for cloud environments

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. (CVE-2017-5715, CVE-2017-5753)

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Unbreakable Enterprise kernel security update
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CVSS2

4.7

Attack Vector

LOCAL

Attack 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

CVSS3

5.6

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

AI Score

6.5

Confidence

High

EPSS

0.976

Percentile

100.0%

JSON
Related for USN-3549-1
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