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DebianDEBIAN:DSA-4565-1:21F87
HistoryNov 13, 2019 - 6:05 a.m.

[SECURITY] [DSA 4565-1] intel-microcode security update

2019-11-1306:05:34
lists.debian.org
96

6 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

2.1 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.0004 Low

EPSS

Percentile

12.1%


Debian Security Advisory DSA-4565-1 security@debian.org
https://www.debian.org/security/ Salvatore Bonaccorso
November 13, 2019 https://www.debian.org/security/faq


Package : intel-microcode
CVE ID : CVE-2019-11135 CVE-2019-11139

This update ships updated CPU microcode for some types of Intel CPUs. In
particular it provides mitigations for the TAA (TSX Asynchronous Abort)
vulnerability. For affected CPUs, to fully mitigate the vulnerability it
is also necessary to update the Linux kernel packages as released in DSA
4564-1.

For the oldstable distribution (stretch), these problems have been fixed
in version 3.20191112.1~deb9u1.

For the stable distribution (buster), these problems have been fixed in
version 3.20191112.1~deb10u1.

We recommend that you upgrade your intel-microcode packages.

For the detailed security status of intel-microcode please refer to its
security tracker page at:
https://security-tracker.debian.org/tracker/intel-microcode

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org

How to protect your server from attacks?

6 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

2.1 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.0004 Low

EPSS

Percentile

12.1%

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