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redhatRedHatRHSA-2020:5190
HistoryNov 23, 2020 - 6:42 p.m.

(RHSA-2020:5190) Moderate: microcode_ctl security, bug fix, and enhancement update

2020-11-2318:42:23
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39

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

16.1%

The microcode_ctl packages provide microcode updates for Intel.

Security Fix(es):

  • hw: Information disclosure issue in Intel SGX via RAPL interface (CVE-2020-8695)

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

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

Bug Fix(es) and Enhancement(s):

  • Update Intel CPU microcode to microcode-20201112 release, addresses:
    • Addition of 06-55-0b/0xbf (CPX-SP A1) microcode at revision 0x700001e;
    • Addition of 06-8a-01/0x10 (LKF B2/B3) microcode at revision 0x28;
    • 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-01/0x01 (GLK B0) microcode from revision 0x32 up
      to 0x34;
    • 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.
  • Disable 06-8c-01 (TGL-UP3/UP4 B1) microcode update by default.
  • 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

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

16.1%