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Fencer Vulns
high 7.5

CVE-2024-28127 json

Improper input validation in UEFI firmware for some Intel(R) Processors may allow a privileged user to potentially enable escalation of pri…

published 2025-02-12 20 mo ago modified 2026-06-17 4 mo ago also EUVD-2024-25274

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 17%
public exploits
0
none known

Summary

Improper input validation in UEFI firmware for some Intel(R) Processors may allow a privileged user to potentially enable escalation of privilege via local access.

Patch / fix

  • intel-microcode Debian 12 3.20250211.1~deb12u1
  • intel-microcode Debian 14, Debian 13 3.20250211.1

debian advisories DEBIAN-CVE-2024-28127

  • microcode_ctl RHEL 8 4:20250211-1.el8_10
  • microcode_ctl RHEL 9 4:20240910-1.20250211.1.el9_5
  • microcode_ctl RHEL 8.2 AUS 4:20191115-4.20250211.1.el8_2
  • microcode_ctl RHEL 7 ELS 2:2.1-73.23.el7_9
  • microcode_ctl RHEL 8.4 TUS, RHEL 8.4 E4S, RHEL 8.4 AUS 4:20210216-1.20250211.1.el8_4
  • microcode_ctl RHEL 9.2 EUS 4:20220809-2.20250211.1.el9_2
  • microcode_ctl RHEL 8.8 EUS 4:20220809-2.20250211.1.el8_8
  • microcode_ctl RHEL 9.0 E4S 4:20220207-1.20250211.1.el9_0

red hat advisories RHEA-2025:3114RHEA-2025:2424RHEA-2025:2427RHEA-2025:2423RHEA-2025:2420RHEA-2025:2421

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-2024-28127 updated cvss 7.5

microcode_ctl: Improper input validation in UEFI firmware

  • Red Hat Enterprise Linux BaseOS (v. 8) microcode_ctl 20250211-1.el8_10
    fixed: vendor fix RHEA-2025:3114
  • Red Hat Enterprise Linux BaseOS (v. 9) microcode_ctl 20240910-1.20250211.1.el9_5
    fixed: vendor fix RHBA-2025:2991
  • Red Hat Enterprise Linux BaseOS AUS (v. 8.2) microcode_ctl 20191115-4.20250211.1.el8_2
    fixed: vendor fix RHEA-2025:2424
  • Red Hat Enterprise Linux BaseOS AUS (v.8.4) microcode_ctl 20210216-1.20250211.1.el8_4
    fixed: vendor fix RHEA-2025:2423
  • Red Hat Enterprise Linux BaseOS AUS (v.8.6) microcode_ctl 20220207-1.20250211.1.el8_6
    fixed: vendor fix RHEA-2025:2422
  • Red Hat Enterprise Linux BaseOS E4S (v.8.4) microcode_ctl 20210216-1.20250211.1.el8_4
    fixed: vendor fix RHEA-2025:2423
  • Red Hat Enterprise Linux BaseOS E4S (v.8.6) microcode_ctl 20220207-1.20250211.1.el8_6
    fixed: vendor fix RHEA-2025:2422
  • Red Hat Enterprise Linux BaseOS E4S (v.9.0) microcode_ctl 20220207-1.20250211.1.el9_0
    fixed: vendor fix RHEA-2025:2419
show 8 more
  • Red Hat Enterprise Linux BaseOS EUS (v.8.8) microcode_ctl 20220809-2.20250211.1.el8_8
    fixed: vendor fix RHEA-2025:2421
  • Red Hat Enterprise Linux BaseOS EUS (v.9.2) microcode_ctl 20220809-2.20250211.1.el9_2
    fixed: vendor fix RHEA-2025:2420
  • Red Hat Enterprise Linux BaseOS EUS (v.9.4) microcode_ctl 20230808-2.20250211.1.el9_4
    fixed: vendor fix RHEA-2025:2418
  • Red Hat Enterprise Linux BaseOS TUS (v.8.4) microcode_ctl 20210216-1.20250211.1.el8_4
    fixed: vendor fix RHEA-2025:2423
  • Red Hat Enterprise Linux BaseOS TUS (v.8.6) microcode_ctl 20220207-1.20250211.1.el8_6
    fixed: vendor fix RHEA-2025:2422
  • Red Hat Enterprise Linux Server (v. 7 ELS) microcode_ctl 2.1-73.23.el7_9
    fixed: vendor fix RHEA-2025:2427
  • Red Hat Enterprise Linux Server AUS (v. 7.7) microcode_ctl 2.1-53.25.el7_7.1
    fixed: vendor fix RHBA-2025:2428
  • Red Hat Enterprise Linux 10 microcode_ctl
    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
20 mo ago

Exploit prediction

0.25% chance of exploitation in the next 30 days, higher than 17% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 4.0 8.7 CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
CNA 3.1 7.5 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
CNA 4.0 8.7 CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected products

  • n/a Intel(R) Processors

Classification

Weakness
  • CWE-20 Improper Input Validation

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.