First published: Tue Jun 09 2020(Updated: )
The microcode_ctl packages provide microcode updates for Intel and AMD processors.<br>Security Fix(es):<br><li> hw: Special Register Buffer Data Sampling (SRBDS) (CVE-2020-0543)</li> <li> hw: L1D Cache Eviction Sampling (CVE-2020-0549)</li> <li> hw: Vector Register Data Sampling (CVE-2020-0548)</li> For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.<br>Bug Fix(es) and Enhancement(s):<br><li> Update Intel CPU microcode to microcode-20200602 release, addresses:</li> <li> Update of 06-3c-03/0x32 (HSW C0) microcode from revision 0x27 up to 0x28;</li> <li> Update of 06-3d-04/0xc0 (BDW-U/Y E0/F0) microcode from revision 0x2e</li> up to 0x2f;<br><li> Update of 06-45-01/0x72 (HSW-U C0/D0) microcode from revision 0x25</li> up to 0x26;<br><li> Update of 06-46-01/0x32 (HSW-H C0) microcode from revision 0x1b up to 0x1c;</li> <li> Update of 06-47-01/0x22 (BDW-H/Xeon E3 E0/G0) microcode from revision 0x21</li> up to 0x22;<br><li> Update of 06-4e-03/0xc0 (SKL-U/Y D0) microcode from revision 0xd6</li> up to 0xdc;<br><li> Update of 06-55-03/0x97 (SKX-SP B1) microcode from revision 0x1000151</li> up to 0x1000157;<br><li> Update of 06-55-04/0xb7 (SKX-SP H0/M0/U0, SKX-D M1) microcode</li> (in intel-06-55-04/intel-ucode/06-55-04) from revision 0x2000065<br> up to 0x2006906;<br><li> Update of 06-55-06/0xbf (CLX-SP B0) microcode from revision 0x400002c</li> up to 0x4002f01;<br><li> Update of 06-55-07/0xbf (CLX-SP B1) microcode from revision 0x500002c</li> up to 0x5002f01;<br><li> Update of 06-5e-03/0x36 (SKL-H/S R0/N0) microcode from revision 0xd6</li> up to 0xdc;<br><li> Update of 06-8e-09/0x10 (AML-Y22 H0) microcode from revision 0xca</li> up to 0xd6;<br><li> Update of 06-8e-09/0xc0 (KBL-U/Y H0) microcode from revision 0xca</li> up to 0xd6;<br><li> Update of 06-8e-0a/0xc0 (CFL-U43e D0) microcode from revision 0xca</li> up to 0xd6;<br><li> Update of 06-8e-0b/0xd0 (WHL-U W0) microcode from revision 0xca</li> up to 0xd6;<br><li> Update of 06-8e-0c/0x94 (AML-Y42 V0, CML-Y42 V0, WHL-U V0) microcode</li> from revision 0xca up to 0xd6;<br><li> Update of 06-9e-09/0x2a (KBL-G/H/S/X/Xeon E3 B0) microcode from revision</li> 0xca up to 0xd6;<br><li> Update of 06-9e-0a/0x22 (CFL-H/S/Xeon E3 U0) microcode from revision 0xca</li> up to 0xd6;<br><li> Update of 06-9e-0b/0x02 (CFL-S B0) microcode from revision 0xca up to 0xd6;</li> <li> Update of 06-9e-0c/0x22 (CFL-H/S P0) microcode from revision 0xca</li> up to 0xd6;<br><li> Update of 06-9e-0d/0x22 (CFL-H R0) microcode from revision 0xca up to 0xd6.</li> <li> Update Intel CPU microcode to microcode-20200520 release:</li> <li> Update of 06-2d-06/0x6d (SNB-E/EN/EP C1/M0) microcode from revision 0x61f</li> up to 0x621;<br><li> Update of 06-2d-07/0x6d (SNB-E/EN/EP C2/M1) microcode from revision 0x718</li> up to 0x71a;<br><li> Update of 06-7e-05/0x80 (ICL-U/Y D1) microcode from revision 0x46</li> up to 0x78.<br>(BZ#1839193)<br><li> Narrow down SKL-SP/W/X blacklist to exclude Server/FPGA/Fabric segment</li> models. (BZ#1835555)
Affected Software | Affected Version | How to fix |
---|---|---|
Microcode | ||
AMD CPU ROM microcode patch loader |
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RHSA-2020:2433 addresses vulnerabilities related to Special Register Buffer Data Sampling (CVE-2020-0543), L1D Cache Eviction Sampling (CVE-2020-0549), and others in Intel and AMD processors.
To fix the vulnerabilities in RHSA-2020:2433, update the microcode_ctl package to the latest version as provided in the advisory.
RHSA-2020:2433 is classified as important and should be addressed urgently to mitigate risks associated with processor vulnerabilities.
The RHSA-2020:2433 advisory impacts specific Intel and AMD processors that are susceptible to the identified security vulnerabilities.
Failing to address RHSA-2020:2433 may leave your system vulnerable to side-channel attacks that can compromise sensitive data.