RLSA-2026:96240: Critical: edk2 security update

Q: Does exploitation require credentials or user interaction?

No. The supplied CVSS vector indicates that exploitation requires no privileges and no user interaction, but requires adjacent-network access.

Q: Which deployments should be prioritized for remediation?

Prioritize Rocky Linux systems using the edk2 package's sample 64-bit UEFI firmware with QEMU or KVM, particularly where the firmware's PXE functionality is in scope. The reported flaw is in the EDK II PXE driver.

Published Nov 10, 2026

Updated

EDK (Embedded Development Kit) is a project to enable UEFI support for Virtual Machines. This package contains a sample 64-bit UEFI firmware for QEMU and KVM.

Security Fix(es):

edk2: Pre-boot RCE in EDK II PXE driver (CVE-2026-97631)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Affected Software

1 affected componentFixes available

rocky-linux/edk2<0:20251114-5.el10_2.3

0:20251114-5.el10_2.3

Remediation

Recommended actions to resolve this vulnerability, in priority order.

Upgrade
Upgrade rocky-linux/edk2 to a version that resolves this vulnerability.
Fixed in 0:20251114-5.el10_2.3

Event History

Nov 10, 2026

Advisory Published

via OSV·12:09 PM

Data Sourced

via OSV·12:09 PM

DescriptionSeverityAffected Software

Child vulnerabilities

Contains the following vulnerabilities.

CVE-2026-97631

Frequently Asked Questions

Does exploitation require credentials or user interaction?

No. The supplied CVSS vector indicates that exploitation requires no privileges and no user interaction, but requires adjacent-network access.

Which deployments should be prioritized for remediation?

Prioritize Rocky Linux systems using the edk2 package's sample 64-bit UEFI firmware with QEMU or KVM, particularly where the firmware's PXE functionality is in scope. The reported flaw is in the EDK II PXE driver.

RLSA-2026:96240: Critical: edk2 security update

Affected Software

Remediation

Event History

Child vulnerabilities

Frequently Asked Questions

Does exploitation require credentials or user interaction?

Which deployments should be prioritized for remediation?

Company

Resources

Contact

Frequently Asked Questions

Does exploitation require credentials or user interaction?

Which deployments should be prioritized for remediation?