Basic search

K
debianDebianDEBIAN:DSA-5178-1:9B2D2
HistoryJul 06, 2022 - 1:12 p.m.

[SECURITY] [DSA 5178-1] intel-microcode security update

2022-07-0613:12:52
lists.debian.org
27

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

2.1 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.0005 Low

EPSS

Percentile

14.4%


Debian Security Advisory DSA-5178-1 security@debian.org
https://www.debian.org/security/ Salvatore Bonaccorso
July 06, 2022 https://www.debian.org/security/faq


Package : intel-microcode
CVE ID : CVE-2022-21123 CVE-2022-21125 CVE-2022-21127 CVE-2022-21151
CVE-2022-21166
Debian Bug : 1010947

This update ships updated CPU microcode for some types of Intel CPUs and
provides mitigations for security vulnerabilities.

CVE-2022-21123, CVE-2022-21125, CVE-2022-21127, CVE-2022-21166

Various researchers discovered flaws in Intel processors,
collectively referred to as MMIO Stale Data vulnerabilities, which
may result in information leak to local users.

For details please refer to
https://www.intel.com/content/www/us/en/developer/articles/technical/software-security-guidance/technical-documentation/processor-mmio-stale-data-vulnerabilities.html

CVE-2022-21151

Alysa Milburn, Jason Brandt, Avishai Redelman and Nir Lavi
discovered that for some Intel processors optimization removal or
modification of security-critical code may result in information
disclosure to local users.

For the oldstable distribution (buster), these problems have been fixed
in version 3.20220510.1~deb10u1.

For the stable distribution (bullseye), these problems have been fixed in
version 3.20220510.1~deb11u1.

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

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

2.1 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.0005 Low

EPSS

Percentile

14.4%

Related for DEBIAN:DSA-5178-1:9B2D2