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redhatRedHatRHSA-2020:5084
HistoryNov 11, 2020 - 9:27 a.m.

(RHSA-2020:5084) Moderate: microcode_ctl security, bug fix, and enhancement update

2020-11-1109:27:51
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45

2.1 Low

CVSS2

Attack Vector

LOCAL

Attack 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

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

0.0005 Low

EPSS

Percentile

17.3%

Security Fix(es):

  • hw: Vector Register Leakage-Active (CVE-2020-8696)

  • hw: Fast forward store predictor (CVE-2020-8698)

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.

Bug Fix(es) and Enhancement(s):

  • Update Intel CPU microcode to microcode-20201027 release, addresses:

    • Addition of 06-55-0b/0xbf (CPX-SP A1) microcode at revision 0x700001e;
    • Addition of 06-8c-01/0x80 (TGL-UP3/UP4 B1) microcode at revision 0x68;
    • Addition of 06-a5-02/0x20 (CML-H R1) microcode at revision 0xe0;
    • Addition of 06-a5-03/0x22 (CML-S 6+2 G1) microcode at revision 0xe0;
    • Addition of 06-a5-05/0x22 (CML-S 10+2 Q0) microcode at revision 0xe0;
    • Addition of 06-a6-01/0x80 (CML-U 6+2 v2 K0) microcode at revision
      0xe0;
    • Update of 06-4e-03/0xc0 (SKL-U/U 2+3e/Y D0/K1) microcode (in
      intel-06-4e-03/intel-ucode/06-4e-03) from revision 0xdc up to 0xe2;
    • Update of 06-55-04/0xb7 (SKX-D/SP/W/X H0/M0/M1/U0) microcode (in
      intel-06-55-04/intel-ucode/06-55-04) from revision 0x2006906 up
      to 0x2006a08;
    • Update of 06-5e-03/0x36 (SKL-H/S/Xeon E3 N0/R0/S0) microcode (in
      intel-06-5e-03/intel-ucode/06-5e-03) from revision 0xdc up to 0xe2;
    • Update of 06-8e-09/0x10 (AML-Y 2+2 H0) microcode (in
      intel-06-8e-9e-0x-dell/intel-ucode/06-8e-09) from revision 0xd6 up
      to 0xde;
    • Update of 06-8e-09/0xc0 (KBL-U/U 2+3e/Y H0/J1) microcode (in
      intel-06-8e-9e-0x-dell/intel-ucode/06-8e-09) from revision 0xd6 up
      to 0xde;
    • Update of 06-8e-0a/0xc0 (CFL-U 4+3e D0, KBL-R Y0) microcode (in
      intel-06-8e-9e-0x-dell/intel-ucode/06-8e-0a) from revision 0xd6 up
      to 0xe0;
    • Update of 06-8e-0b/0xd0 (WHL-U W0) microcode (in
      intel-06-8e-9e-0x-dell/intel-ucode/06-8e-0b) from revision 0xd6 up
      to 0xde;
    • Update of 06-8e-0c/0x94 (AML-Y 4+2 V0, CML-U 4+2 V0, WHL-U V0)
      microcode (in intel-06-8e-9e-0x-dell/intel-ucode/06-8e-0c) from
      revision 0xd6 up to 0xde;
    • Update of 06-9e-09/0x2a (KBL-G/H/S/X/Xeon E3 B0) microcode (in
      intel-06-8e-9e-0x-dell/intel-ucode/06-9e-09) from revision 0xd6 up
      to 0xde;
    • Update of 06-9e-0a/0x22 (CFL-H/S/Xeon E U0) microcode (in
      intel-06-8e-9e-0x-dell/intel-ucode/06-9e-0a) from revision 0xd6 up
      to 0xde;
    • Update of 06-9e-0b/0x02 (CFL-E/H/S B0) microcode (in
      intel-06-8e-9e-0x-dell/intel-ucode/06-9e-0b) from revision 0xd6 up
      to 0xde;
    • Update of 06-9e-0c/0x22 (CFL-H/S/Xeon E P0) microcode (in
      intel-06-8e-9e-0x-dell/intel-ucode/06-9e-0c) from revision 0xd6 up
      to 0xde;
    • Update of 06-9e-0d/0x22 (CFL-H/S/Xeon E R0) microcode (in
      intel-06-8e-9e-0x-dell/intel-ucode/06-9e-0d) from revision 0xd6 up
      to 0xde;
    • Update of 06-3f-02/0x6f (HSX-E/EN/EP/EP 4S C0/C1/M1/R2) microcode
      from revision 0x43 up to 0x44;
    • Update of 06-55-03/0x97 (SKX-SP B1) microcode from revision 0x1000157
      up to 0x1000159;
    • Update of 06-55-06/0xbf (CLX-SP B0) microcode from revision 0x4002f01
      up to 0x4003003;
    • Update of 06-55-07/0xbf (CLX-SP/W/X B1/L1) microcode from revision
      0x5002f01 up to 0x5003003;
    • Update of 06-5c-09/0x03 (APL D0) microcode from revision 0x38 up
      to 0x40;
    • Update of 06-5c-0a/0x03 (APL B1/F1) microcode from revision 0x16 up
      to 0x1e;
    • Update of 06-7a-08/0x01 (GLK-R R0) microcode from revision 0x16 up
      to 0x18;
    • Update of 06-7e-05/0x80 (ICL-U/Y D1) microcode from revision 0x78
      up to 0xa0;
    • Update of 06-a6-00/0x80 (CML-U 6+2 A0) microcode from revision 0xca
      up to 0xe0.
  • Add README file to the documentation directory.

  • Add publicly-sourced codenames list to supply to gen_provides.sh; update
    the latter to handle the somewhat different format.

  • Add SUMMARY.intel-ucode file containing metadata information from
    the microcode file headers.

2.1 Low

CVSS2

Attack Vector

LOCAL

Attack 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

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

0.0005 Low

EPSS

Percentile

17.3%