Red Hat Enterprise Linux 7 update for microcode_ctl
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 9 |
| CVE-ID | CVE-2020-0543 CVE-2020-0548 CVE-2020-0549 CVE-2020-8695 CVE-2020-8696 CVE-2020-8698 CVE-2020-24489 CVE-2020-24511 CVE-2020-24512 |
| CWE-ID | CWE-200 CWE-204 CWE-264 CWE-459 CWE-203 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software Subscribe |
microcode_ctl (Red Hat package) Operating systems & Components / Operating system package or component Red Hat Enterprise Linux for Scientific Computing Operating systems & Components / Operating system Red Hat Enterprise Linux Desktop Operating systems & Components / Operating system Red Hat Enterprise Linux Workstation Operating systems & Components / Operating system Red Hat Enterprise Linux Server Operating systems & Components / Operating system |
| Vendor | Red Hat Inc. |
Security Bulletin
This security bulletin contains information about 9 vulnerabilities.
1) Information disclosure
EUVDB-ID: #VU28928
Risk: Low
CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-0543
CWE-ID:
CWE-200 - Information exposure
Exploit availability: No
DescriptionThe vulnerability allows a local user to gain access to potentially sensitive information.
The vulnerability exists due to incomplete cleanup from specific special register read operations in some Intel(R) Processors. A local user can gain unauthorized access to sensitive information on the system.
MitigationInstall updates from vendor's website.
microcode_ctl (Red Hat package): 2.1-73.8.el7_9 - 2.1-73.9.el7_9
Red Hat Enterprise Linux for Scientific Computing: 7
Red Hat Enterprise Linux Desktop: 7
Red Hat Enterprise Linux Workstation: 7
Red Hat Enterprise Linux Server: 7
CPE2.3- cpe:2.3:o:red_hat:microcode_ctl_redhat_package:2.1-73.9.el7_9:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:microcode_ctl_redhat_package:2.1-73.8.el7_9:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_for_scientific_computing:7:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_desktop:7:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_workstation:7:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_server:7:*:*:*:*:red_hat_enterprise_linux:*:
http://access.redhat.com/errata/RHSA-2021:3028
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Information disclosure
EUVDB-ID: #VU24688
Risk: Low
CVSSv3.1: 2.2 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-0548
CWE-ID:
CWE-200 - Information exposure
Exploit availability: No
DescriptionThe vulnerability allows a local user to gain access to potentially sensitive information.
The vulnerability exists due to cleanup errors. A local user can gain unauthorized access to sensitive information on the system.
MitigationInstall updates from vendor's website.
microcode_ctl (Red Hat package): 2.1-73.8.el7_9 - 2.1-73.9.el7_9
Red Hat Enterprise Linux for Scientific Computing: 7
Red Hat Enterprise Linux Desktop: 7
Red Hat Enterprise Linux Workstation: 7
Red Hat Enterprise Linux Server: 7
CPE2.3- cpe:2.3:o:red_hat:microcode_ctl_redhat_package:2.1-73.9.el7_9:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:microcode_ctl_redhat_package:2.1-73.8.el7_9:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_for_scientific_computing:7:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_desktop:7:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_workstation:7:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_server:7:*:*:*:*:red_hat_enterprise_linux:*:
http://access.redhat.com/errata/RHSA-2021:3028
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
3) Information disclosure
EUVDB-ID: #VU24689
Risk: Low
CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-0549
CWE-ID:
CWE-200 - Information exposure
Exploit availability: No
DescriptionThe vulnerability allows a local user to gain access to potentially sensitive information.
The vulnerability exists due to cleanup errors in some data cache evictions. A local user can gain unauthorized access to sensitive information on the system.
MitigationInstall updates from vendor's website.
microcode_ctl (Red Hat package): 2.1-73.8.el7_9 - 2.1-73.9.el7_9
Red Hat Enterprise Linux for Scientific Computing: 7
Red Hat Enterprise Linux Desktop: 7
Red Hat Enterprise Linux Workstation: 7
Red Hat Enterprise Linux Server: 7
CPE2.3- cpe:2.3:o:red_hat:microcode_ctl_redhat_package:2.1-73.9.el7_9:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:microcode_ctl_redhat_package:2.1-73.8.el7_9:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_for_scientific_computing:7:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_desktop:7:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_workstation:7:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_server:7:*:*:*:*:red_hat_enterprise_linux:*:
http://access.redhat.com/errata/RHSA-2021:3028
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
4) Observable Response Discrepancy
EUVDB-ID: #VU48372
Risk: Low
CVSSv3.1: 4.6 [CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-8695
CWE-ID:
CWE-204 - Observable Response Discrepancy
Exploit availability: No
DescriptionThe vulnerability allows a local user to gain access to potentially sensitive information.
The vulnerability exists due to observable discrepancy in the Running Average Power Limit (RAPL) Interface. A local administrator can gain access to sensitive information on the target system.
Affected products:
|
Product Collection |
Vertical Segment |
CPUID |
|
8th Generation Intel® Core™ Processor Family |
Mobile |
806E9 |
|
10th Generation Intel® Core™ Processor Family |
Mobile |
806EC |
|
8th Generation Intel® Core™ Processor Family |
Mobile |
906EA |
|
9th Generation Intel® Core™ Processor Family |
Mobile |
906EC |
|
8th Generation Intel® Core™ Processor Family |
Desktop |
906EA |
|
9th Generation Intel® Core™ Processor Family |
Desktop |
906EC |
|
Intel® Xeon® Processor E Family |
Server Workstation AMT Server |
906EA |
|
8th Generation Intel® Core™ Processor Family |
Mobile |
806EA |
|
8th Generation Intel® Core™ Processor Family Intel® Pentium® Gold Processor Series Intel® Celeron® Processor G Series |
Desktop |
906EB |
|
Intel® Xeon® Processor E Family |
Server Workstation AMT Server |
906EA |
|
8th Generation Intel® Core™ Processor Family |
Desktop |
906EA |
|
9th Generation Intel® Core™ Processor Family |
Desktop |
906ED |
|
9th Generation Intel® Core™ Processor Family |
Desktop |
906ED |
|
10th Generation Intel® Core™ Processor Family |
Mobile |
A0660 |
|
10th Generation Intel® Core™ Processor Family |
Mobile |
A0661 |
|
10th Generation Intel® Core™ Processor Family |
Mobile |
806EC |
|
10th Generation Intel® Core™ Processor Family |
Desktop |
A0653 |
|
10th Generation Intel® Core™ Processor Family |
Mobile |
A0655 |
|
10th Generation Intel® Core™ Processor Family |
Mobile |
A0652 |
|
Intel® Pentium® Processor Silver Series Intel® Celeron® Processor J Series Intel® Celeron® Processor N Series |
Desktop Mobile Embedded |
706A1 |
|
Intel® Pentium® Processor Silver Series Intel® Celeron® Processor J Series Intel® Celeron® Processor N Series |
Desktop Mobile Embedded |
706A8 |
|
10th Generation Intel® Core™ Processor Family |
Mobile |
706E5 |
|
8th Generation Intel® Core™ Processor Family |
Mobile |
906E9 |
|
7th Generation Intel® Core™ Processor Family |
Mobile Embedded |
906E9 |
|
8th Generation Intel® Core™ Processor Family |
Mobile |
806EA |
|
7th Generation Intel® Core™ Processor Family |
Desktop Embedded |
906E9 |
|
7th Generation Intel® Core™ Processor Family |
Mobile |
806E9 |
|
7th Generation Intel® Core™ Processor Family |
Mobile |
806E9 |
|
Intel® Core™ X-series Processors |
Desktop |
906E9 |
|
Intel® Xeon® Processor E3 v6 Family |
Server Workstation AMT Server |
906E9 |
|
7th Generation Intel® Core™ Processor Family |
Mobile |
806E9 |
|
6th Generation Intel® Core™ Processor Family |
Mobile |
506E3 |
|
6th Generation Intel® Core™ Processor Family |
Desktop Embedded |
506E3 |
|
6th Generation Intel® Core™ Processors |
Mobile |
406E3 |
|
6th Generation Intel® Core™ Processor Family |
Mobile |
406E3 |
|
Intel® Xeon® Processor E3 v5 Family |
Server Workstation AMT Server |
506E3 |
|
6th Generation Intel® Core™ Processor Family |
Mobile |
406E3 |
|
8th Generation Intel® Core™ Processors |
Mobile |
806EB |
|
8th Generation Intel® Core™ Processors |
Mobile |
806EC |
Install updates from vendor's website.
microcode_ctl (Red Hat package): 2.1-73.8.el7_9 - 2.1-73.9.el7_9
Red Hat Enterprise Linux for Scientific Computing: 7
Red Hat Enterprise Linux Desktop: 7
Red Hat Enterprise Linux Workstation: 7
Red Hat Enterprise Linux Server: 7
CPE2.3- cpe:2.3:o:red_hat:microcode_ctl_redhat_package:2.1-73.9.el7_9:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:microcode_ctl_redhat_package:2.1-73.8.el7_9:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_for_scientific_computing:7:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_desktop:7:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_workstation:7:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_server:7:*:*:*:*:red_hat_enterprise_linux:*:
http://access.redhat.com/errata/RHSA-2021:3028
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
5) Security restrictions bypass
EUVDB-ID: #VU48630
Risk: Low
CVSSv3.1: 5.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-8696
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to improper removal of sensitive information before storage or transfer in
some Intel(R) Processors. A local user can gain access to sensitive information on the system.
Install updates from vendor's website.
microcode_ctl (Red Hat package): 2.1-73.8.el7_9 - 2.1-73.9.el7_9
Red Hat Enterprise Linux for Scientific Computing: 7
Red Hat Enterprise Linux Desktop: 7
Red Hat Enterprise Linux Workstation: 7
Red Hat Enterprise Linux Server: 7
CPE2.3- cpe:2.3:o:red_hat:microcode_ctl_redhat_package:2.1-73.9.el7_9:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:microcode_ctl_redhat_package:2.1-73.8.el7_9:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_for_scientific_computing:7:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_desktop:7:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_workstation:7:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_server:7:*:*:*:*:red_hat_enterprise_linux:*:
http://access.redhat.com/errata/RHSA-2021:3028
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
6) Security restrictions bypass
EUVDB-ID: #VU48629
Risk: Low
CVSSv3.1: 5.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-8698
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to improper isolation of shared resources in some Intel(R) Processors. A local user can gain access to sensitive information on the system.
Install updates from vendor's website.
microcode_ctl (Red Hat package): 2.1-73.8.el7_9 - 2.1-73.9.el7_9
Red Hat Enterprise Linux for Scientific Computing: 7
Red Hat Enterprise Linux Desktop: 7
Red Hat Enterprise Linux Workstation: 7
Red Hat Enterprise Linux Server: 7
CPE2.3- cpe:2.3:o:red_hat:microcode_ctl_redhat_package:2.1-73.9.el7_9:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:microcode_ctl_redhat_package:2.1-73.8.el7_9:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_for_scientific_computing:7:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_desktop:7:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_workstation:7:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_server:7:*:*:*:*:red_hat_enterprise_linux:*:
http://access.redhat.com/errata/RHSA-2021:3028
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
7) Incomplete cleanup
EUVDB-ID: #VU54191
Risk: Low
CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-24489
CWE-ID:
CWE-459 - Incomplete cleanup
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to incomplete cleanup, which leads to security restrictions bypass and privilege escalation.
MitigationInstall updates from vendor's website.
microcode_ctl (Red Hat package): 2.1-73.8.el7_9 - 2.1-73.9.el7_9
Red Hat Enterprise Linux for Scientific Computing: 7
Red Hat Enterprise Linux Desktop: 7
Red Hat Enterprise Linux Workstation: 7
Red Hat Enterprise Linux Server: 7
CPE2.3- cpe:2.3:o:red_hat:microcode_ctl_redhat_package:2.1-73.9.el7_9:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:microcode_ctl_redhat_package:2.1-73.8.el7_9:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_for_scientific_computing:7:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_desktop:7:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_workstation:7:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_server:7:*:*:*:*:red_hat_enterprise_linux:*:
http://access.redhat.com/errata/RHSA-2021:3028
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
8) Information disclosure
EUVDB-ID: #VU54203
Risk: Low
CVSSv3.1: 4.9 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-24511
CWE-ID:
CWE-200 - Information exposure
Exploit availability: No
DescriptionThe vulnerability allows a local user to gain access to potentially sensitive information.
The vulnerability exists due to improper isolation of shared resources. A local user can gain unauthorized access to sensitive information on the system.
MitigationInstall updates from vendor's website.
microcode_ctl (Red Hat package): 2.1-73.8.el7_9 - 2.1-73.9.el7_9
Red Hat Enterprise Linux for Scientific Computing: 7
Red Hat Enterprise Linux Desktop: 7
Red Hat Enterprise Linux Workstation: 7
Red Hat Enterprise Linux Server: 7
CPE2.3- cpe:2.3:o:red_hat:microcode_ctl_redhat_package:2.1-73.9.el7_9:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:microcode_ctl_redhat_package:2.1-73.8.el7_9:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_for_scientific_computing:7:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_desktop:7:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_workstation:7:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_server:7:*:*:*:*:red_hat_enterprise_linux:*:
http://access.redhat.com/errata/RHSA-2021:3028
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
9) Observable discrepancy
EUVDB-ID: #VU54204
Risk: Low
CVSSv3.1: 2.5 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-24512
CWE-ID:
CWE-203 - Observable discrepancy
Exploit availability: No
DescriptionThe vulnerability allows a local user to gain access to potentially sensitive information.
The vulnerability exists due to observable timing discrepancy. A local user can gain unauthorized access to sensitive information on the system.
MitigationInstall updates from vendor's website.
microcode_ctl (Red Hat package): 2.1-73.8.el7_9 - 2.1-73.9.el7_9
Red Hat Enterprise Linux for Scientific Computing: 7
Red Hat Enterprise Linux Desktop: 7
Red Hat Enterprise Linux Workstation: 7
Red Hat Enterprise Linux Server: 7
CPE2.3- cpe:2.3:o:red_hat:microcode_ctl_redhat_package:2.1-73.9.el7_9:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:microcode_ctl_redhat_package:2.1-73.8.el7_9:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_for_scientific_computing:7:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_desktop:7:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_workstation:7:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_server:7:*:*:*:*:red_hat_enterprise_linux:*:
http://access.redhat.com/errata/RHSA-2021:3028
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
