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Vulnerabilities / CVE-2026-97631

critical

CVE-2026-97631

edk2: Pre-boot RCE in EDK II PXE driver

Published Modified CWE 120, 131, 787
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

Red Hat8.8CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Trivy's own label is CRITICAL. Rated critical by Red Hat.

Description

EDK2 contains a vulnerability in BIOS where a user may cause “Out-of-bounds Write”, Classic Buffer Overflow, and “Incorrect Calculation of Buffer Size” by remote access. Successful exploitation of this vulnerability can lead to arbitrary code execution. It could also impact Confidentiality, Integrity, and Availability.

Affected packages and fixed versions

SourcePackageFixed in
Red Hatedk2, edk2-aarch64, edk2-ovmf and 4 moreno fix listed
debian 11edk2no fix listed
debian 12edk2no fix listed
debian 13edk2no fix listed
debian 14edk2no fix listed
echoedk2no fix listed
rapidfort alma 10edk2-aarch64, edk2-ovmf, edk2-tools and 1 moreno fix listed
rapidfort alma 8edk2-aarch64, edk2-ovmfno fix listed
rapidfort alma 9edk2-aarch64, edk2-ovmf, edk2-tools and 1 moreno fix listed
rapidfort debian 12edk2no fix listed
rapidfort debian 13edk2no fix listed
rapidfort fedora 43edk2, edk2-aarch64, edk2-ovmf and 2 more20260812-6.fc43
Show all 50 entries from 19 sources
SourcePackageFixed in
Red Hatedk2no fix listed
Red Hatedk2-aarch64no fix listed
Red Hatedk2-ovmfno fix listed
Red Hatedk2-toolsno fix listed
Red Hatedk2-tools-docno fix listed
Red Hatopenshift/ose-rhel-coreos-8no fix listed
Red Hatopenshift/ose-rhel-coreos-9no fix listed
debian 11edk2no fix listed
debian 12edk2no fix listed
debian 13edk2no fix listed
debian 14edk2no fix listed
echoedk2no fix listed
rapidfort alma 10edk2-aarch64no fix listed
rapidfort alma 10edk2-ovmfno fix listed
rapidfort alma 10edk2-toolsno fix listed
rapidfort alma 10edk2-tools-docno fix listed
rapidfort alma 8edk2-aarch64no fix listed
rapidfort alma 8edk2-ovmfno fix listed
rapidfort alma 9edk2-aarch64no fix listed
rapidfort alma 9edk2-ovmfno fix listed
rapidfort alma 9edk2-toolsno fix listed
rapidfort alma 9edk2-tools-docno fix listed
rapidfort debian 12edk2no fix listed
rapidfort debian 13edk2no fix listed
rapidfort fedora 43edk220260812-6.fc43
rapidfort fedora 43edk2-aarch6420260812-6.fc43
rapidfort fedora 43edk2-ovmf20260812-6.fc43
rapidfort fedora 43edk2-tools20260812-6.fc43
rapidfort fedora 43edk2-tools-doc20260812-6.fc43
rapidfort Oracle Linux 10edk2-aarch64no fix listed
rapidfort Oracle Linux 10edk2-ovmfno fix listed
rapidfort Oracle Linux 10edk2-toolsno fix listed
rapidfort Oracle Linux 10edk2-tools-docno fix listed
rapidfort Oracle Linux 9edk2-aarch64no fix listed
rapidfort Oracle Linux 9edk2-ovmfno fix listed
rapidfort Oracle Linux 9edk2-toolsno fix listed
rapidfort Oracle Linux 9edk2-tools-docno fix listed
rapidfort Red Hat 10edk2-aarch64no fix listed
rapidfort Red Hat 10edk2-ovmfno fix listed
rapidfort Red Hat 10edk2-toolsno fix listed
rapidfort Red Hat 10edk2-tools-docno fix listed
rapidfort Red Hat 9edk2-aarch64no fix listed
rapidfort Red Hat 9edk2-ovmfno fix listed
rapidfort Red Hat 9edk2-toolsno fix listed
rapidfort Red Hat 9edk2-tools-docno fix listed
rapidfort rocky 10edk2no fix listed
rapidfort rocky 10edk2-toolsno fix listed
rapidfort rocky 8edk2no fix listed
rapidfort rocky 9edk2no fix listed
rapidfort rocky 9edk2-toolsno fix listed

References

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.