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Fencer Intel
high 7.2

CVE-2022-33196 json

Incorrect default permissions in some memory controller configurations for some Intel(R) Xeon(R) Processors when using Intel(R) Software Gu…

published 3y ago modified 4mo ago also EUVD-2022-36240

cvss
7.2
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 11%
public exploits
0
none known

Summary

Incorrect default permissions in some memory controller configurations for some Intel(R) Xeon(R) Processors when using Intel(R) Software Guard Extensions which may allow a privileged user to potentially enable escalation of privilege via local access.

Patch / fix

  • intel-microcode Debian 14, Debian 13, Debian 12 3.20230214.1

debian advisories DEBIAN-CVE-2022-33196

  • intel-microcode Ubuntu 18.04 LTS 3.20230214.0ubuntu0.18.04.1
  • intel-microcode Ubuntu 20.04 LTS 3.20230214.0ubuntu0.20.04.1
  • intel-microcode Ubuntu 22.04 LTS 3.20230214.0ubuntu0.22.04.1
  • intel-microcode Ubuntu Pro 16.04 LTS 3.20230214.0ubuntu0.16.04.1+esm1

ubuntu advisories UBUNTU-CVE-2022-33196

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • redhat-virtualization-host rhev hypervisor 4.4 4.5.3-202309130206_8.6
  • redhat-virtualization-host-image-update rhev hypervisor 4.4 4.5.3-202309130206_8.6
  • microcode_ctl RHEL 7 2:2.1-73.16.el7_9
  • microcode_ctl RHEL 8 4:20230808-2.el8
  • microcode_ctl RHEL 9 4:20230808-2.el9

red hat advisories RHSA-2023:5209RHEA-2023:4636RHEA-2023:7117RHEA-2023:6637

  • ucode-intel SLES for SAP 15 SP3, SLES for SAP 15 SP2, SLES 15 SP3-LTSS +15 more 20230214-150200.21.1
  • ucode-intel SLES for SAP 12 SP5, SLES 12 SP5 20230214-3.49.1
  • ucode-intel SLES for SAP 12 SP4, SLES 12 SP4-LTSS, SLES 12 SP2-BCL +2 more 20230214-13.104.1
  • ucode-intel SLES for SAP 15 SP1, SLES 15 SP1-LTSS, SLE High Performance Computing 15 SP1-LTSS 20230214-150100.3.217.1

suse advisories SUSE-SU-2023:0568-1SUSE-SU-2023:0456-1SUSE-SU-2023:0455-1SUSE-SU-2023:0454-1

  • ucode-intel openSUSE Tumbleweed 20230214-1.1

opensuse advisories openSUSE-SU-2024:12704-1

  • intel-ucode Alpine 3.24, Alpine 3.23, Alpine 3.22 +8 more 20230214-r0

alpine advisories ALPINE-CVE-2022-33196

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Is CVE-2022-33196 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2022-33196 updated cvss 7.2

kernel: Intel firmware update for Incorrect default permissions in some memory controller configurations

  • Red Hat Enterprise Linux 6 microcode_ctl
    affected: no fix planned “Out of support scope”
  • Red Hat Enterprise Linux BaseOS (v. 8) microcode_ctl 20230808-2.el8
    fixed: vendor fix RHEA-2023:7117
  • Red Hat Enterprise Linux BaseOS (v. 9) microcode_ctl 20230808-2.el9
    fixed: vendor fix RHEA-2023:6637
  • Red Hat Enterprise Linux Client (v. 7) microcode_ctl 2.1-73.16.el7_9 Red Hat Enterprise Linux Server (v. 7) microcode_ctl 2.1-73.16.el7_9 Red Hat Enterprise Linux Workstation (v. 7) microcode_ctl 2.1-73.16.el7_9
    fixed: vendor fix RHEA-2023:4636
  • Red Hat Virtualization 4 Hypervisor for RHEL 8 redhat-virtualization-host 4.5.3-202309130206_8.6, redhat-virtualization-host-image-update 4.5.3-202309130206_8.6
    fixed: vendor fix RHSA-2023:5209
  • Red Hat RHEL 8-based RHEV-H for RHEV 4 (build requirements) redhat-release-virtualization-host 4.5.3-9.el8ev, redhat-release-virtualization-host-content 4.5.3-9.el8ev, redhat-virtualization-host-image-update-placeholder 4.5.3-9.el8ev
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
last yr.

Exploit prediction

0.21% chance of exploitation in the next 30 days, higher than 11% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 7.2 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N
NVD 3.1 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected products

  • n/a Intel(R) Xeon(R) Processors with Intel® Software Guard Extensions (SGX)

Classification

Weakness
  • CWE-276 Incorrect Default Permissions

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.