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oraclelinuxOracleLinuxELSA-2020-5084
HistoryNov 17, 2020 - 12:00 a.m.

microcode_ctl security, bug fix, and enhancement update

2020-11-1700:00:00
linux.oracle.com
63

0.0005 Low

EPSS

Percentile

17.7%

[3:1.17-33.31.0.1]

  • recognize the ‘force-intel’ file path available on EL7+ [orabug 31655792]
  • disable live load during %post due to UEK4 rendezvous timeouts [orabug 31655792]
  • merge Oracle changes for early load via dracut
  • remove no longer appropriate caveats for 06-2d-07 and 06-55-04
  • remove other caveat support to be compatible with early load logic
  • enable late load on install for UEK4 kernels marked safe (except BDW-79)
  • set early_microcode=‘no’ in virtualized guests to avoid early load bugs [Orabug: 30618737]
    [2:1.17-33.31]
  • Update Intel CPU microcode to microcode-20201027 release, addresses
    CVE-2020-8694, CVE-2020-8695, CVE-2020-8696, CVE-2020-8698
    (#1893243, #1893238):
    • Addition of 06-55-0b/0xbf (CPX-SP A1) microcode (in microcode.dat)
      at revision 0x700001e;
    • Addition of 06-8c-01/0x80 (TGL-UP3/UP4 B1) microcode (in
      microcode.dat) at revision 0x68;
    • Addition of 06-a5-02/0x20 (CML-H R1) microcode (in microcode.dat)
      at revision 0xe0;
    • Addition of 06-a5-03/0x22 (CML-S 6+2 G1) microcode (in microcode.dat)
      at revision 0xe0;
    • Addition of 06-a5-05/0x22 (CML-S 10+2 Q0) microcode (in microcode.dat)
      at revision 0xe0;
    • Addition of 06-a6-01/0x80 (CML-U 6+2 v2 K0) microcode (in
      microcode.dat) at revision 0xe0;
    • Update of 06-4e-03/0xc0 (SKL-U/U 2+3e/Y D0/K1) microcode (in
      microcode-06-4e-03.dat) from revision 0xdc up to 0xe2;
    • Update of 06-55-04/0xb7 (SKX-D/SP/W/X H0/M0/M1/U0) microcode (in
      microcode-06-55-04.dat) from revision 0x2006906 up to 0x2006a08;
    • Update of 06-5e-03/0x36 (SKL-H/S/Xeon E3 N0/R0/S0) microcode (in
      microcode-06-5e-03.dat) from revision 0xdc up to 0xe2;
    • Update of 06-3f-02/0x6f (HSX-E/EN/EP/EP 4S C0/C1/M1/R2) microcode
      (in microcode.dat) from revision 0x43 up to 0x44;
    • Update of 06-55-03/0x97 (SKX-SP B1) microcode (in microcode.dat)
      from revision 0x1000157 up to 0x1000159;
    • Update of 06-55-06/0xbf (CLX-SP B0) microcode (in microcode.dat)
      from revision 0x4002f01 up to 0x4003003;
    • Update of 06-55-07/0xbf (CLX-SP/W/X B1/L1) microcode (in
      microcode.dat) from revision 0x5002f01 up to 0x5003003;
    • Update of 06-5c-09/0x03 (APL D0) microcode (in microcode.dat) from
      revision 0x38 up to 0x40;
    • Update of 06-5c-0a/0x03 (APL B1/F1) microcode (in microcode.dat)
      from revision 0x16 up to 0x1e;
    • Update of 06-7a-08/0x01 (GLK-R R0) microcode (in microcode.dat)
      from revision 0x16 up to 0x18;
    • Update of 06-7e-05/0x80 (ICL-U/Y D1) microcode (in microcode.dat)
      from revision 0x78 up to 0xa0;
    • Update of 06-8e-09/0x10 (AML-Y 2+2 H0) microcode (in microcode.dat)
      from revision 0xd6 up to 0xde;
    • Update of 06-8e-09/0xc0 (KBL-U/U 2+3e/Y H0/J1) microcode (in
      microcode.dat) from revision 0xd6 up to 0xde;
    • Update of 06-8e-0a/0xc0 (CFL-U 4+3e D0, KBL-R Y0) microcode (in
      microcode.dat) from revision 0xd6 up to 0xe0;
    • Update of 06-8e-0b/0xd0 (WHL-U W0) microcode (in microcode.dat)
      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 microcode.dat) from revision 0xd6 up to 0xde;
    • Update of 06-9e-09/0x2a (KBL-G/H/S/X/Xeon E3 B0) microcode (in
      microcode.dat) from revision 0xd6 up to 0xde;
    • Update of 06-9e-0a/0x22 (CFL-H/S/Xeon E U0) microcode (in
      microcode.dat) from revision 0xd6 up to 0xde;
    • Update of 06-9e-0b/0x02 (CFL-E/H/S B0) microcode (in microcode.dat)
      from revision 0xd6 up to 0xde;
    • Update of 06-9e-0c/0x22 (CFL-H/S/Xeon E P0) microcode (in
      microcode.dat) from revision 0xd6 up to 0xde;
    • Update of 06-9e-0d/0x22 (CFL-H/S/Xeon E R0) microcode (in
      microcode.dat) from revision 0xd6 up to 0xde;
    • Update of 06-a6-00/0x80 (CML-U 6+2 A0) microcode (in microcode.dat)
      from revision 0xca up to 0xe0.
      [2:1.17-33.30]
  • 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.