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openSUSE: 2020:0791-1 Moderate: Ucode-Intel Security Fixes

opensuse
Calendar Grey June 10, 2020
Dist Opensuse Esm H88
The latest ucode-intel release tackles numerous vulnerabilities on openSUSE, enhancing the CPU's defenses and addressing potential exploitation risks.
An update that fixes three vulnerabilities is now available.

Description

This update for ucode-intel fixes the following issues:

Updated Intel CPU Microcode to 20200602 (prerelease) (bsc#1172466)

This update contains security mitigations for:

- CVE-2020-0543: Fixed a side channel attack against special registers which could have resulted in leaking of read values to cores other than

the one which called it. This attack is known as Special Register

Buffer Data Sampling (SRBDS) or "CrossTalk" (bsc#1154824).

- CVE-2020-0548,CVE-2020-0549: Additional ucode updates were supplied to

mitigate the Vector Register and L1D Eviction Sampling aka

"CacheOutAttack" attacks. (bsc#1156353)

Microcode Table:

Processor Identifier Version Products Model

Stepping F-MO-S/PI Old->New

---- new platforms ----------------------------------------

---- updated platforms ------------------------------------ HSW

C0 6-3c-3/32 00000027->00000028 Core Gen4 BDW-U/Y E0/F0

...

Read the Full Advisory

Patch

Patch Instructions:

To install this openSUSE Security Update use the SUSE recommended installation methods

like YaST online_update or "zypper patch".

Alternatively you can run the command listed for your product:

- openSUSE Leap 15.1:

zypper in -t patch openSUSE-2020-791=1

Package List

- openSUSE Leap 15.1 (x86_64):

ucode-intel-20200602-lp151.2.24.1

References

https://www.suse.com/security/cve/CVE-2020-0543.html

https://www.suse.com/security/cve/CVE-2020-0548.html

https://www.suse.com/security/cve/CVE-2020-0549.html

https://bugzilla.suse.com/1154824

https://bugzilla.suse.com/1156353

https://bugzilla.suse.com/1172466

--

Announcement ID: openSUSE-SU-2020:0791-1
Rating: moderate
Affected Products: openSUSE Leap 15.1

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