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CVE Vulnerabilities

CVE-2020-0548

Improper Resource Shutdown or Release

Published: Jan 28, 2020 | Modified: Nov 21, 2024
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
2.8 LOW
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N
Ubuntu
MEDIUM
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2020-0548
CWEhttps://cwe.mitre.org/data/definitions/404.html

Cleanup errors in 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

NameVendorStart VersionEnd Version
Core_i7-8700b_firmwareIntel- (including)- (including)
Red Hat Enterprise Linux 6RedHatmicrocode_ctl-2:1.17-33.26.el6_10*
Red Hat Enterprise Linux 6.5 Advanced Update SupportRedHatmicrocode_ctl-2:1.17-17.31.el6_5*
Red Hat Enterprise Linux 6.6 Advanced Update SupportRedHatmicrocode_ctl-2:1.17-19.29.el6_6*
Red Hat Enterprise Linux 7RedHatmicrocode_ctl-2:2.1-61.6.el7_8*
Red Hat Enterprise Linux 7RedHatmicrocode_ctl-2:2.1-73.11.el7_9*
Red Hat Enterprise Linux 7.2 Advanced Update SupportRedHatmicrocode_ctl-2:2.1-12.30.el7_2*
Red Hat Enterprise Linux 7.2 Advanced Update SupportRedHatmicrocode_ctl-2:2.1-12.39.el7_2*
Red Hat Enterprise Linux 7.3 Advanced Update SupportRedHatmicrocode_ctl-2:2.1-16.33.el7_3*
Red Hat Enterprise Linux 7.3 Advanced Update SupportRedHatmicrocode_ctl-2:2.1-16.42.el7_3*
Red Hat Enterprise Linux 7.3 Telco Extended Update SupportRedHatmicrocode_ctl-2:2.1-16.33.el7_3*
Red Hat Enterprise Linux 7.3 Update Services for SAP SolutionsRedHatmicrocode_ctl-2:2.1-16.33.el7_3*
Red Hat Enterprise Linux 7.4 Advanced Update SupportRedHatmicrocode_ctl-2:2.1-22.32.el7_4*
Red Hat Enterprise Linux 7.4 Advanced Update SupportRedHatmicrocode_ctl-2:2.1-22.41.el7_4*
Red Hat Enterprise Linux 7.4 Telco Extended Update SupportRedHatmicrocode_ctl-2:2.1-22.32.el7_4*
Red Hat Enterprise Linux 7.4 Telco Extended Update SupportRedHatmicrocode_ctl-2:2.1-22.41.el7_4*
Red Hat Enterprise Linux 7.4 Update Services for SAP SolutionsRedHatmicrocode_ctl-2:2.1-22.32.el7_4*
Red Hat Enterprise Linux 7.4 Update Services for SAP SolutionsRedHatmicrocode_ctl-2:2.1-22.41.el7_4*
Red Hat Enterprise Linux 7.6 Advanced Update Support(Disable again in 2026 - SPRHEL-7118)RedHatmicrocode_ctl-2:2.1-47.23.el7_6*
Red Hat Enterprise Linux 7.6 Extended Update SupportRedHatmicrocode_ctl-2:2.1-47.14.el7_6*
Red Hat Enterprise Linux 7.6 Telco Extended Update SupportRedHatmicrocode_ctl-2:2.1-47.23.el7_6*
Red Hat Enterprise Linux 7.6 Update Services for SAP SolutionsRedHatmicrocode_ctl-2:2.1-47.23.el7_6*
Red Hat Enterprise Linux 7.7 Extended Update SupportRedHatmicrocode_ctl-2:2.1-53.9.el7_7*
Red Hat Enterprise Linux 7.7 Extended Update SupportRedHatmicrocode_ctl-2:2.1-53.18.el7_7*
Red Hat Enterprise Linux 8RedHatmicrocode_ctl-4:20191115-4.20200602.2.el8_2*
Red Hat Enterprise Linux 8RedHatmicrocode_ctl-4:20210216-1.20210608.1.el8_4*
Red Hat Enterprise Linux 8.0 Update Services for SAP SolutionsRedHatmicrocode_ctl-4:20180807a-2.20200609.1.el8_0*
Red Hat Enterprise Linux 8.1 Extended Update SupportRedHatmicrocode_ctl-4:20190618-1.20200609.1.el8_1*
Red Hat Enterprise Linux 8.1 Extended Update SupportRedHatmicrocode_ctl-4:20190618-1.20210608.1.el8_1*
Red Hat Enterprise Linux 8.2 Extended Update SupportRedHatmicrocode_ctl-4:20191115-4.20210608.1.el8_2*
Intel-microcodeUbuntubionic*
Intel-microcodeUbuntudevel*
Intel-microcodeUbuntudisco*
Intel-microcodeUbuntueoan*
Intel-microcodeUbuntuesm-infra-legacy/trusty*
Intel-microcodeUbuntuesm-infra/bionic*
Intel-microcodeUbuntuesm-infra/focal*
Intel-microcodeUbuntuesm-infra/xenial*
Intel-microcodeUbuntufocal*
Intel-microcodeUbuntugroovy*
Intel-microcodeUbuntutrusty*
Intel-microcodeUbuntutrusty/esm*
Intel-microcodeUbuntuupstream*
Intel-microcodeUbuntuxenial*

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

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