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debianDebianDEBIAN:DLA-2148-1:72DBC
HistoryMar 20, 2020 - 7:56 p.m.

[SECURITY] [DLA 2148-1] amd64-microcode security update

2020-03-2019:56:36
lists.debian.org
140

1.9 Low

CVSS2

Attack Vector

LOCAL

Attack 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

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

0.975 High

EPSS

Percentile

100.0%

Package : amd64-microcode
Version : 3.20181128.1~deb8u1
CVE ID : CVE-2017-5715
Debian Bug : 886382

It was discovered that systems with microprocessors utilizing
speculative execution and indirect branch prediction may allow
unauthorized disclosure of information to an attacker with local
user access via a side-channel analysis (Spectre v2).
Multiple fixes were done already in Linux kernel, intel-microcode etc.
This fix adds amd-microcode-based IBPB support.

For Debian 8 "Jessie", this problem has been fixed in version
3.20181128.1~deb8u1.

We recommend that you upgrade your amd64-microcode package.

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequent

Regards,

Anton

1.9 Low

CVSS2

Attack Vector

LOCAL

Attack 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

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

0.975 High

EPSS

Percentile

100.0%