- Vulnerability/
- RHSA-2020:5181
RHSA-2020:5181: Moderate: microcode_ctl security, bug fix and enhancement update
First published: Mon Nov 23 2020(Updated: )
The microcode_ctl packages provide microcode updates for Intel.<br>Security Fix(es):<br><li> hw: Information disclosure issue in Intel SGX via RAPL interface (CVE-2020-8695)</li> <li> hw: Vector Register Leakage-Active (CVE-2020-8696)</li> <li> hw: Fast forward store predictor (CVE-2020-8698)</li> Bug Fix(es) and Enhancement(s):<br><li> Update Intel CPU microcode to microcode-20201112 release, addresses:</li> <li> Addition of 06-55-0b/0xbf (CPX-SP A1) microcode at revision 0x700001e;</li> <li> Addition of 06-8a-01/0x10 (LKF B2/B3) microcode at revision 0x28;</li> <li> Addition of 06-8c-01/0x80 (TGL-UP3/UP4 B1) microcode at revision 0x68;</li> <li> Addition of 06-a5-02/0x20 (CML-H R1) microcode at revision 0xe0;</li> <li> Addition of 06-a5-03/0x22 (CML-S 6+2 G1) microcode at revision 0xe0;</li> <li> Addition of 06-a5-05/0x22 (CML-S 10+2 Q0) microcode at revision 0xe0;</li> <li> Addition of 06-a6-01/0x80 (CML-U 6+2 v2 K0) microcode at revision</li> 0xe0;<br><li> Update of 06-4e-03/0xc0 (SKL-U/U 2+3e/Y D0/K1) microcode (in</li> intel-06-4e-03/intel-ucode/06-4e-03) from revision 0xdc up to 0xe2;<br><li> Update of 06-55-04/0xb7 (SKX-D/SP/W/X H0/M0/M1/U0) microcode (in</li> intel-06-55-04/intel-ucode/06-55-04) from revision 0x2006906 up<br> to 0x2006a08;<br><li> Update of 06-5e-03/0x36 (SKL-H/S/Xeon E3 N0/R0/S0) microcode (in</li> intel-06-5e-03/intel-ucode/06-5e-03) from revision 0xdc up to 0xe2;<br><li> Update of 06-8e-09/0x10 (AML-Y 2+2 H0) microcode (in</li> intel-06-8e-9e-0x-dell/intel-ucode/06-8e-09) from revision 0xd6 up<br> to 0xde;<br><li> Update of 06-8e-09/0xc0 (KBL-U/U 2+3e/Y H0/J1) microcode (in</li> intel-06-8e-9e-0x-dell/intel-ucode/06-8e-09) from revision 0xd6 up<br> to 0xde;<br><li> Update of 06-8e-0a/0xc0 (CFL-U 4+3e D0, KBL-R Y0) microcode (in</li> intel-06-8e-9e-0x-dell/intel-ucode/06-8e-0a) from revision 0xd6 up<br> to 0xe0;<br><li> Update of 06-8e-0b/0xd0 (WHL-U W0) microcode (in</li> intel-06-8e-9e-0x-dell/intel-ucode/06-8e-0b) from revision 0xd6 up<br> to 0xde;<br><li> Update of 06-8e-0c/0x94 (AML-Y 4+2 V0, CML-U 4+2 V0, WHL-U V0)</li> microcode (in intel-06-8e-9e-0x-dell/intel-ucode/06-8e-0c) from<br> revision 0xd6 up to 0xde;<br><li> Update of 06-9e-09/0x2a (KBL-G/H/S/X/Xeon E3 B0) microcode (in</li> intel-06-8e-9e-0x-dell/intel-ucode/06-9e-09) from revision 0xd6 up<br> to 0xde;<br><li> Update of 06-9e-0a/0x22 (CFL-H/S/Xeon E U0) microcode (in</li> intel-06-8e-9e-0x-dell/intel-ucode/06-9e-0a) from revision 0xd6 up<br> to 0xde;<br><li> Update of 06-9e-0b/0x02 (CFL-E/H/S B0) microcode (in</li> intel-06-8e-9e-0x-dell/intel-ucode/06-9e-0b) from revision 0xd6 up<br> to 0xde;<br><li> Update of 06-9e-0c/0x22 (CFL-H/S/Xeon E P0) microcode (in</li> intel-06-8e-9e-0x-dell/intel-ucode/06-9e-0c) from revision 0xd6 up<br> to 0xde;<br><li> Update of 06-9e-0d/0x22 (CFL-H/S/Xeon E R0) microcode (in</li> intel-06-8e-9e-0x-dell/intel-ucode/06-9e-0d) from revision 0xd6 up<br> to 0xde;<br><li> Update of 06-3f-02/0x6f (HSX-E/EN/EP/EP 4S C0/C1/M1/R2) microcode</li> from revision 0x43 up to 0x44;<br><li> Update of 06-55-03/0x97 (SKX-SP B1) microcode from revision 0x1000157</li> up to 0x1000159;<br><li> Update of 06-55-06/0xbf (CLX-SP B0) microcode from revision 0x4002f01</li> up to 0x4003003;<br><li> Update of 06-55-07/0xbf (CLX-SP/W/X B1/L1) microcode from revision</li> 0x5002f01 up to 0x5003003;<br><li> Update of 06-5c-09/0x03 (APL D0) microcode from revision 0x38 up</li> to 0x40;<br><li> Update of 06-5c-0a/0x03 (APL B1/F1) microcode from revision 0x16 up</li> to 0x1e;<br><li> Update of 06-7a-01/0x01 (GLK B0) microcode from revision 0x32 up</li> to 0x34;<br><li> Update of 06-7a-08/0x01 (GLK-R R0) microcode from revision 0x16 up</li> to 0x18;<br><li> Update of 06-7e-05/0x80 (ICL-U/Y D1) microcode from revision 0x78</li> up to 0xa0;<br><li> Update of 06-a6-00/0x80 (CML-U 6+2 A0) microcode from revision 0xca</li> up to 0xe0.<br><li> Disable 06-8c-01 (TGL-UP3/UP4 B1) microcode update by default.</li> <li> Add README file to the documentation directory.</li> <li> Add publicly-sourced codenames list to supply to gen_provides.sh; update</li> the latter to handle the somewhat different format.<br><li> Add SUMMARY.intel-ucode file</li>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microcode |
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Reference Links
Frequently Asked Questions
What is the severity of RHSA-2020:5181?
The severity of RHSA-2020:5181 is considered high due to multiple significant vulnerabilities in Intel hardware.
How do I fix RHSA-2020:5181?
To fix RHSA-2020:5181, install the latest microcode_ctl package updates provided by your system vendor.
What vulnerabilities are addressed in RHSA-2020:5181?
RHSA-2020:5181 addresses CVE-2020-8695 and CVE-2020-8696, which involve information disclosure and vector register leakage respectively.
What products are affected by RHSA-2020:5181?
RHSA-2020:5181 affects systems using Intel processors that rely on the microcode_ctl package.
Is RHSA-2020:5181 applicable to all Intel processors?
No, RHSA-2020:5181 is specific to certain Intel processors that are susceptible to the disclosed vulnerabilities.
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