CVE Vulnerabilities

CVE-2020-0549

Improper Resource Shutdown or Release

Published: Jan 28, 2020 | Modified: Nov 07, 2023
CVSS 3.x
5.5
MEDIUM
Source:
NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS 2.x
2.1 LOW
AV:L/AC:L/Au:N/C:P/I:N/A:N
RedHat/V2
RedHat/V3
6.5 MODERATE
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Ubuntu
MEDIUM

Cleanup errors in some data cache evictions for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.

Weakness

The product does not release or incorrectly releases a resource before it is made available for re-use.

Affected Software

Name Vendor Start Version End Version
Core_i7-8700b_firmware Intel - (including) - (including)
Red Hat Enterprise Linux 6 RedHat microcode_ctl-2:1.17-33.26.el6_10 *
Red Hat Enterprise Linux 6.5 Advanced Update Support RedHat microcode_ctl-2:1.17-17.31.el6_5 *
Red Hat Enterprise Linux 6.6 Advanced Update Support RedHat microcode_ctl-2:1.17-19.29.el6_6 *
Red Hat Enterprise Linux 7 RedHat microcode_ctl-2:2.1-61.6.el7_8 *
Red Hat Enterprise Linux 7 RedHat microcode_ctl-2:2.1-73.11.el7_9 *
Red Hat Enterprise Linux 7.2 Advanced Update Support RedHat microcode_ctl-2:2.1-12.30.el7_2 *
Red Hat Enterprise Linux 7.2 Advanced Update Support RedHat microcode_ctl-2:2.1-12.39.el7_2 *
Red Hat Enterprise Linux 7.3 Advanced Update Support RedHat microcode_ctl-2:2.1-16.33.el7_3 *
Red Hat Enterprise Linux 7.3 Advanced Update Support RedHat microcode_ctl-2:2.1-16.42.el7_3 *
Red Hat Enterprise Linux 7.3 Telco Extended Update Support RedHat microcode_ctl-2:2.1-16.33.el7_3 *
Red Hat Enterprise Linux 7.3 Update Services for SAP Solutions RedHat microcode_ctl-2:2.1-16.33.el7_3 *
Red Hat Enterprise Linux 7.4 Advanced Update Support RedHat microcode_ctl-2:2.1-22.32.el7_4 *
Red Hat Enterprise Linux 7.4 Advanced Update Support RedHat microcode_ctl-2:2.1-22.41.el7_4 *
Red Hat Enterprise Linux 7.4 Telco Extended Update Support RedHat microcode_ctl-2:2.1-22.32.el7_4 *
Red Hat Enterprise Linux 7.4 Telco Extended Update Support RedHat microcode_ctl-2:2.1-22.41.el7_4 *
Red Hat Enterprise Linux 7.4 Update Services for SAP Solutions RedHat microcode_ctl-2:2.1-22.32.el7_4 *
Red Hat Enterprise Linux 7.4 Update Services for SAP Solutions RedHat microcode_ctl-2:2.1-22.41.el7_4 *
Red Hat Enterprise Linux 7.6 Advanced Update Support RedHat microcode_ctl-2:2.1-47.23.el7_6 *
Red Hat Enterprise Linux 7.6 Extended Update Support RedHat microcode_ctl-2:2.1-47.14.el7_6 *
Red Hat Enterprise Linux 7.6 Telco Extended Update Support RedHat microcode_ctl-2:2.1-47.23.el7_6 *
Red Hat Enterprise Linux 7.6 Update Services for SAP Solutions RedHat microcode_ctl-2:2.1-47.23.el7_6 *
Red Hat Enterprise Linux 7.7 Extended Update Support RedHat microcode_ctl-2:2.1-53.9.el7_7 *
Red Hat Enterprise Linux 7.7 Extended Update Support RedHat microcode_ctl-2:2.1-53.18.el7_7 *
Red Hat Enterprise Linux 8 RedHat microcode_ctl-4:20191115-4.20200602.2.el8_2 *
Red Hat Enterprise Linux 8 RedHat microcode_ctl-4:20210216-1.20210608.1.el8_4 *
Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions RedHat microcode_ctl-4:20180807a-2.20200609.1.el8_0 *
Red Hat Enterprise Linux 8.1 Extended Update Support RedHat microcode_ctl-4:20190618-1.20200609.1.el8_1 *
Red Hat Enterprise Linux 8.1 Extended Update Support RedHat microcode_ctl-4:20190618-1.20210608.1.el8_1 *
Red Hat Enterprise Linux 8.2 Extended Update Support RedHat microcode_ctl-4:20191115-4.20210608.1.el8_2 *
Intel-microcode Ubuntu bionic *
Intel-microcode Ubuntu devel *
Intel-microcode Ubuntu disco *
Intel-microcode Ubuntu eoan *
Intel-microcode Ubuntu focal *
Intel-microcode Ubuntu groovy *
Intel-microcode Ubuntu trusty *
Intel-microcode Ubuntu trusty/esm *
Intel-microcode Ubuntu upstream *
Intel-microcode Ubuntu xenial *

Potential Mitigations

  • Use a language that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
  • For example, languages such as Java, Ruby, and Lisp perform automatic garbage collection that releases memory for objects that have been deallocated.

References