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Fencer Intel
high 8.4

CVE-2025-2296 json

Un-verified kernel bypass Secure Boot mechanism in direct boot mode

published 11mo ago modified last mo. also EUVD-2025-201946

cvss
8.4
version 4.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 57%
public exploits
0
none known

Summary

EDK2 contains a vulnerability in BIOS where an attacker may cause “ Improper Input Validation” by local access. Successful exploitation of this vulnerability could alter control flow in unexpected ways, potentially allowing arbitrary command execution and impacting Confidentiality, Integrity, and Availability.

Patch / fix

  • TianoCore EDK2 edk2-stable202502
  • edk2 Debian 14, Debian 13 2025.02-1

debian advisories DEBIAN-CVE-2025-2296

  • edk2 RHEL 10.2 20251114-5.el10_2
  • edk2-ovmf RHEL 10.2 20251114-5.el10_2
  • edk2-tools RHEL 10.2 20251114-5.el10_2
  • edk2-aarch64 RHEL 10.2 20251114-5.el10_2

red hat advisories RHSA-2026:18465

  • ovmf openSUSE Tumbleweed 202602-6.1

opensuse advisories openSUSE-SU-2026:10467-1

  • edk2-ovmf AlmaLinux 10 20251114-5.el10_2
  • edk2-tools AlmaLinux 10 20251114-5.el10_2
  • edk2-aarch64 AlmaLinux 10 20251114-5.el10_2

almalinux advisories ALSA-2026:18465

  • edk2 Rocky Linux 10 20251114-5.el10

rocky linux advisories RLSA-2026:18465

  • edk2 Azure Linux 3.0 20240524git3e722403cd16-11
  • edk2 CBL-Mariner 2.0 20230301gitf80f052277c8-44
  • hvloader CBL-Mariner 2.0 1.0.1-15

azure linux advisories AZL-72545AZL-72556AZL-72559

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

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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-2025-2296 updated cvss 8.2

edk2: EDK2: Improper Input Validation allows arbitrary command execution

  • Red Hat Enterprise Linux 8 edk2, edk2-ovmf, edk2-aarch64 Red Hat Enterprise Linux 9 edk2, edk2-ovmf, edk2-tools, edk2-aarch64
    affected: workaround, no fix available
  • Red Hat OpenShift Container Platform 4 openshift/ose-rhel-coreos-8, openshift/ose-rhel-coreos-9
    affected: workaround, no fix planned “Will not fix”
  • Red Hat Enterprise Linux AppStream (v. 10) edk2 20251114-5.el10_2, edk2-ovmf 20251114-5.el10_2, edk2-aarch64 20251114-5.el10_2 Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) edk2-ovmf 20251114-5.el10_2, edk2-tools 20251114-5.el10_2, edk2-aarch64 20251114-5.el10_2
    fixed: vendor fix RHSA-2026:18465

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
partial
Assessed
11mo ago

Exploit prediction

0.83% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 4.0 8.4 CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:H/VA:L/SC:L/SI:H/SA:L
CNA 4.0 8.4 CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:H/VA:L/SC:L/SI:H/SA:L/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

  • TianoCore EDK2

Classification

Weakness
  • CWE-20 Improper Input Validation

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.