The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2020:5185 advisory.

    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-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.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Detections

Analytics

RHEL 8 : microcode_ctl (RHSA-2020:5185)

medium Nessus Plugin ID 143205

Version 1.10

Version 1.9

Version 1.7

Version 1.10 Nov 7, 2024, 8:52 AM CVSS metrics ("Cvssv4 score" set to 0.0) CVSSv2 severity (based on None, severity decreased from "High" to "Low") Plugin metadata Plugin Feed: 202411070852
Version 1.9 Nov 5, 2024, 12:50 PM CVSS metrics ("Cvssv4 score" set to 0.0) CVSSv2 severity (based on None, severity decreased from "High" to "Low") Plugin metadata Plugin Feed: 202411051250
Version 1.7 Jan 23, 2023, 7:12 PM Logic Changes (Added support for repository relative URLs) Plugin Feed: 202301231912