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Fencer Vulns
medium 5.5

CVE-2022-21151 json

Processor optimization removal or modification of security-critical code for some Intel(R) Processors may allow an authenticated user to po…

published 2022-05-12 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-26396

cvss
5.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 30%
public exploits
0
none known

Summary

Processor optimization removal or modification of security-critical code for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.

Patch / fix

  • intel-microcode Debian 14, Debian 13, Debian 12 3.20220510.1

debian advisories DEBIAN-CVE-2022-21151

  • intel-microcode Ubuntu 18.04 LTS 3.20220510.0ubuntu0.18.04.1
  • intel-microcode Ubuntu 20.04 LTS 3.20220510.0ubuntu0.20.04.1
  • intel-microcode Ubuntu 22.04 LTS 3.20220510.0ubuntu0.22.04.1
  • intel-microcode Ubuntu Pro 16.04 LTS 3.20220510.0ubuntu0.16.04.1+esm1

ubuntu advisories UBUNTU-CVE-2022-21151

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

  • microcode_ctl RHEL 9 4:20220809-1.el9

red hat advisories RHBA-2022:8351

  • ucode-intel SLES for SAP 12 SP4, SLES for SAP 12 SP3, SLES 12 SP4-LTSS +8 more 20220510-13.97.1
  • ucode-intel SLES for SAP 12 SP5, SLES 12 SP5 20220510-3.42.2
  • ucode-intel SLES for SAP 15, SLE High Performance Computing 15-LTSS, SLE High Performance Computing 15-ESPOS 20220510-150000.3.74.1
  • ucode-intel SLES for SAP 15 SP1, SLES 15 SP1-LTSS, SLES 15 SP1-BCL +3 more 20220510-150100.3.210.1
  • ucode-intel SLES for SAP 15 SP2, SLES 15 SP2-LTSS, SLES 15 SP2-BCL +12 more 20220510-150200.14.1

suse advisories SUSE-SU-2022:1747-1SUSE-SU-2022:1744-1SUSE-SU-2022:1732-1SUSE-SU-2022:1728-1SUSE-SU-2022:1727-1

  • ucode-intel openSUSE Tumbleweed 20220510-1.1

opensuse advisories openSUSE-SU-2024:12070-1

  • intel-ucode Alpine 3.24, Alpine 3.23, Alpine 3.22 +10 more 20220510-r0

alpine advisories ALPINE-CVE-2022-21151

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

  • intel-ucode Arch Linux 20220510-1

arch linux advisories AVG-2796

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-2022-21151 updated cvss 5.3

hw: cpu: information disclosure in certain Intel processors

  • Red Hat Enterprise Linux 6 microcode_ctl Red Hat Enterprise Linux 7 microcode_ctl Red Hat Enterprise Linux 8 microcode_ctl
    affected: workaround, no fix available
  • Red Hat Enterprise Linux BaseOS (v. 9) microcode_ctl 20220809-1.el9
    fixed: vendor fix RHBA-2022:8351

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 ICSA-23-341-01 updated cvss 5.3

Mitsubishi Electric FA Engineering Software Products

  • Mitsubishi Electric MELIPC MI1002-W Mitsubishi Electric MELIPC MI2012-W Mitsubishi Electric MELIPC MI3315G-W Mitsubishi Electric MELIPC MI3321G-W Mitsubishi Electric MELIPC MI5122-VW Mitsubishi Electric MELSEC iQ-R R102WCPU-W
    +4 more products
    Mitsubishi Electric MELSEC Q Q24DHCCPU-LS Mitsubishi Electric MELSEC Q Q24DHCCPU-V Mitsubishi Electric MELSEC Q Q24DHCCPU-VG Mitsubishi Electric MELSEC Q Q26DHCCPU-LS
    affected: mitigation “Mitsubishi Electric recommends that users take the following mitigation measures to minimize the risk of exploiting these vulnerabilities:” mitsubishielectric.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
18 mo ago

Exploit prediction

0.36% chance of exploitation in the next 30 days, higher than 30% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CNA 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 2.1 AV:L/AC:L/Au:N/C:P/I:N/A:N

Affected products

  • n/a Intel(R) Processors

References

Sources

Fencer Vulns 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.