Detections
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Oracle Linux 7 : microcode_ctl (ELSA-2021-2305)

high Nessus Plugin ID 150693

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Synopsis

The remote Oracle Linux host is missing one or more security updates.

Description

The remote Oracle Linux 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2021-2305 advisory.

 [2:2.1-73.9.0.1]
 - for Intel, do not trigger load if on-disk microcode is not an update [Orabug: 30634727]
 - set early_microcode='no' in virtualized guests to avoid early load bugs [Orabug: 30618736]
 - ensure late loading fixes are present on 4.1.12-* and 4.14.35-*
 - enable early and late load for 5.4.17-*
 - enable early loading for 06-4f-01 caveat
 - remove no longer appropriate caveats for 06-2d-07 and 06-55-04

 [2:2.1-73.9]
 - Update Intel CPU microcode to microcode-20210525 release, addresses CVE-2020-24489, CVE-2020-24511, CVE-2020-24512, and CVE-2020-24513 (#1962659, #1962709, #1962729, #1962675):
 - Addition of 06-55-05/0xb7 (CLX-SP A0) microcode at revision 0x3000010;
 - Addition of 06-6a-05/0x87 (ICX-SP C0) microcode at revision 0xc0002f0;
 - Addition of 06-6a-06/0x87 (ICX-SP D0) microcode at revision 0xd0002a0;
 - Addition of 06-86-04/0x01 (SNR B0) microcode at revision 0xb00000f;
 - Addition of 06-86-05/0x01 (SNR B1) microcode (in intel-ucode/06-86-04) at revision 0xb00000f;
 - Addition of 06-86-04/0x01 (SNR B0) microcode (in intel-ucode/06-86-05) at revision 0xb00000f;
 - Addition of 06-86-05/0x01 (SNR B1) microcode at revision 0xb00000f;
 - Addition of 06-8c-02/0xc2 (TGL-R C0) microcode at revision 0x16;
 - Addition of 06-8d-01/0xc2 (TGL-H R0) microcode at revision 0x2c;
 - Addition of 06-96-01/0x01 (EHL B1) microcode at revision 0x11;
 - Addition of 06-9c-00/0x01 (JSL A0/A1) microcode at revision 0x1d;
 - Addition of 06-a7-01/0x02 (RKL-S B0) microcode at revision 0x40;
 - 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 0xe2 up to 0xea;
 - Update of 06-4f-01/0xef (BDX-E/EP/EX/ML B0/M0/R0) microcode (in intel-06-4f-01/intel-ucode/06-4f-01) from revision 0xb000038 up to 0xb00003e;
 - 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 0x2006a0a up to 0x2006b06;
 - 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 0xe2 up to 0xea;
 - Update of 06-8c-01/0x80 (TGL-UP3/UP4 B1) microcode (in intel-06-8c-01/intel-ucode/06-8c-01) from revision 0x68 up to 0x88;
 - 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 0xde up to 0xea;
 - 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 0xde up to 0xea;
 - 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 0xe0 up to 0xea;
 - Update of 06-8e-0b/0xd0 (WHL-U W0) microcode (in intel-06-8e-9e-0x-dell/intel-ucode/06-8e-0b) from revision 0xde up to 0xea;
 - 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 0xde up to 0xea;
 - 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 0xde up to 0xea;
 - 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 0xde up to 0xea;
 - 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 0xde up to 0xea;
 - 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 0xde up to 0xea;
 - 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 0xde up to 0xea;
 - Update of 06-3f-02/0x6f (HSX-E/EN/EP/EP 4S C0/C1/M1/R2) microcode from revision 0x44 up to 0x46;
 - Update of 06-3f-04/0x80 (HSX-EX E0) microcode from revision 0x16 up to 0x19;
 - Update of 06-55-03/0x97 (SKX-SP B1) microcode from revision 0x1000159 up to 0x100015b;
 - Update of 06-55-06/0xbf (CLX-SP B0) microcode from revision 0x4003006 up to 0x4003102;
 - Update of 06-55-07/0xbf (CLX-SP/W/X B1/L1) microcode from revision 0x5003006 up to 0x5003102;
 - Update of 06-55-0b/0xbf (CPX-SP A1) microcode from revision 0x700001e up to 0x7002302;
 - Update of 06-56-03/0x10 (BDX-DE V2/V3) microcode from revision 0x7000019 up to 0x700001b;
 - Update of 06-56-04/0x10 (BDX-DE Y0) microcode from revision 0xf000017 up to 0xf000019;
 - Update of 06-56-05/0x10 (BDX-NS A0/A1, HWL A1) microcode from revision 0xe00000f up to 0xe000012;
 - Update of 06-5c-09/0x03 (APL D0) microcode from revision 0x40 up to 0x44;
 - Update of 06-5c-0a/0x03 (APL B1/F1) microcode from revision 0x1e up to 0x20;
 - Update of 06-5f-01/0x01 (DNV B0) microcode from revision 0x2e up to 0x34;
 - Update of 06-7a-01/0x01 (GLK B0) microcode from revision 0x34 up to 0x36;
 - Update of 06-7a-08/0x01 (GLK-R R0) microcode from revision 0x18 up to 0x1a;
 - Update of 06-7e-05/0x80 (ICL-U/Y D1) microcode from revision 0xa0 up to 0xa6;
 - Update of 06-8a-01/0x10 (LKF B2/B3) microcode from revision 0x28 up to 0x2a;
 - Update of 06-a5-02/0x20 (CML-H R1) microcode from revision 0xe0 up to 0xea;
 - Update of 06-a5-03/0x22 (CML-S 6+2 G1) microcode from revision 0xe0 up to 0xea;
 - Update of 06-a5-05/0x22 (CML-S 10+2 Q0) microcode from revision 0xe0 up to 0xec;
 - Update of 06-a6-00/0x80 (CML-U 6+2 A0) microcode from revision 0xe0 up to 0xe8;
 - Update of 06-a6-01/0x80 (CML-U 6+2 v2 K0) microcode from revision 0xe0 up to 0xea.

Tenable has extracted the preceding description block directly from the Oracle 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.

Solution

Update the affected microcode_ctl package.

See Also

https://linux.oracle.com/errata/ELSA-2021-2305.html

Plugin Details

Severity: High

ID: 150693

File Name: oraclelinux_ELSA-2021-2305.nasl

Version: 1.4

Type: local

Agent: unix

Published: 6/11/2021

Updated: 10/22/2024

Supported Sensors: Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.5

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2020-24489

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:microcode_ctl, cpe:/o:oracle:linux:7

Required KB Items: Host/OracleLinux, Host/RedHat/release, Host/RedHat/rpm-list, Host/local_checks_enabled

Exploit Ease: No known exploits are available

Patch Publication Date: 6/11/2021

Vulnerability Publication Date: 6/9/2021

Reference Information

CVE: CVE-2020-24489, CVE-2020-24511, CVE-2020-24512, CVE-2020-24513