CVE & CISA-KEV Catalog

CVE-2022-21216

HIGH
7.5
CVSS v3
NVD

Description

Insufficient granularity of access control in out-of-band management in some Intel(R) Atom and Intel Xeon Scalable Processors may allow a privileged user to potentially enable escalation of privilege via adjacent network access.

How to fix

Remediation Available
intel-microcodeDebian
Fixed in:3.20230214.1~deb11u1CVE-2022-21216
Fixed in:3.20230214.1CVE-2022-21216
Fixed in:3.20230214.1CVE-2022-21216
Fixed in:3.20230214.1CVE-2022-21216
microcode_ctlRed Hat / RHEL
Fixed in:2:2.1-73.16.el7_9RHEA-2023:4636
Fixed in:2:2.1-73.16.el7_9RHEA-2023:4636
Fixed in:4:20230808-2.el8RHEA-2023:7117
Fixed in:4:20230808-2.el8RHEA-2023:7117
Fixed in:4:20230808-2.el9RHEA-2023:6637
Fixed in:4:20230808-2.el9RHEA-2023:6637
microcode_ctlRocky
Fixed in:2:2.1-73.16.el7_9RHEA-2023:4636
Fixed in:2:2.1-73.16.el7_9RHEA-2023:4636
Fixed in:4:20230808-2.el8RHEA-2023:7117
Fixed in:4:20230808-2.el8RHEA-2023:7117
Fixed in:4:20230808-2.el9RHEA-2023:6637
Fixed in:4:20230808-2.el9RHEA-2023:6637
microcode_ctl-debuginfoRed Hat / RHEL
Fixed in:2:2.1-73.16.el7_9RHEA-2023:4636
microcode_ctl-debuginfoRocky
Fixed in:2:2.1-73.16.el7_9RHEA-2023:4636
redhat-release-virtualization-hostRocky
Fixed in:0:4.5.3-9.el8evRHSA-2023:5209
Fixed in:0:4.5.3-9.el8evRHSA-2023:5209
redhat-release-virtualization-hostRed Hat / RHEL
Fixed in:0:4.5.3-9.el8evRHSA-2023:5209
Fixed in:0:4.5.3-9.el8evRHSA-2023:5209
redhat-release-virtualization-host-contentRed Hat / RHEL
Fixed in:0:4.5.3-9.el8evRHSA-2023:5209
redhat-release-virtualization-host-contentRocky
Fixed in:0:4.5.3-9.el8evRHSA-2023:5209
redhat-virtualization-hostRocky
Fixed in:0:4.5.3-202309130206_8.6RHSA-2023:5209
redhat-virtualization-hostRed Hat / RHEL
Fixed in:0:4.5.3-202309130206_8.6RHSA-2023:5209
redhat-virtualization-host-image-updateRed Hat / RHEL
Fixed in:0:4.5.3-202309130206_8.6RHSA-2023:5209
redhat-virtualization-host-image-updateRocky
Fixed in:0:4.5.3-202309130206_8.6RHSA-2023:5209
redhat-virtualization-host-image-update-placeholderRocky
Fixed in:0:4.5.3-9.el8evRHSA-2023:5209
redhat-virtualization-host-image-update-placeholderRed Hat / RHEL
Fixed in:0:4.5.3-9.el8evRHSA-2023:5209
intel-microcodeUbuntu
Fixed in:3.20230214.0ubuntu0.16.04.1+esm1USN-5886-1
Fixed in:3.20230214.0ubuntu0.18.04.1USN-5886-1
Fixed in:3.20230214.0ubuntu0.20.04.1USN-5886-1
Fixed in:3.20230214.0ubuntu0.22.04.1USN-5886-1
Fixed in:3.20230214.0ubuntu0.22.10.1USN-5886-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorAdjacent
Attack ComplexityLow
Privileges RequiredHigh
User InteractionNone
ScopeChanged

Impact

ConfidentialityHigh
IntegrityLow
AvailabilityLow

CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:L

Exploit Intelligence

0.54%probability of exploitation in 30 days
41stpercentile

Moderate risk: more likely to be exploited than 41% of all known CVEs.

References

Vendor Advisory1
Other references1
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.