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OpenAdvisories
Medium RLSA-2026:39297 2 CVEs

Moderate: edk2 security, bug fix, and enhancement update

Published Jul 15, 2026 · Updated Jul 15, 2026

Summary

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):

* openssl: openssl: Information Disclosure from Uninitialized Memory via Invalid RSA Public Key (CVE-2026-31790)

* openssl: OpenSSL: Denial of Service due to NULL pointer dereference in CMS EnvelopedData processing (CVE-2026-28390)

Bug Fix(es) and Enhancement(s):

* edk2/x64: re-enable legacy kernel loader [rhel-10.2.z] (JIRA:Rocky Linux-182421)

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.

Fixed packages 1

ReleasePackageFixed in
Rocky Linux · 10 edk2 0:20251114-5.el10_2.2

Vulnerabilities 2

  • High 7.5

    Possible NULL Dereference When Processing CMS KeyTransportRecipientInfo

    Issue summary: During processing of a crafted CMS EnvelopedData message with KeyTransportRecipientInfo a NULL pointer dereference can happen. Impact summary: Applications that process attacker-controlled CMS data may crash before authentication or cryptograph…

  • High 7.5

    Incorrect Failure Handling in RSA KEM RSASVE Encapsulation

    Issue summary: Applications using RSASVE key encapsulation to establish a secret encryption key can send contents of an uninitialized memory buffer to a malicious peer. Impact summary: The uninitialized buffer might contain sensitive data from the previous ex…

References

  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2456314
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2451094