HvLoader

Resumen de HvLoader HvLoader.efi es una aplicación EFI para cargar un cargador de hipervisor externo. HvLoader.efi carga un binario de cargador de hipervisor dado DLL, EFI, etc. y llama a su punto de entrada pasando el ImageHandle de HvLoader.efi. De esta manera, el binario del cargador de...

AZL-99990 CVE-2026-6485 affecting package edk2 20240524git3e722403cd16-20

UEFI BIOS embedded Shell could be used to bypass Secure Boot via shell commands or startup scripts...

CVE-2026-63074 affecting package edk2 for versions less than 20240524git3e722403cd16-19

CVE-2026-63074 affecting package edk2 for versions less than 20240524git3e722403cd16-19. A patched version of the package is available...

CVE-2026-75803 affecting package edk2 for versions less than 20240524git3e722403cd16-19

CVE-2026-75803 affecting package edk2 for versions less than 20240524git3e722403cd16-19. A patched version of the package is available...

CVE-2026-63076 affecting package edk2 for versions less than 20240524git3e722403cd16-19

CVE-2026-63076 affecting package edk2 for versions less than 20240524git3e722403cd16-19. A patched version of the package is available...

CVE-2026-63072 affecting package edk2 for versions less than 20240524git3e722403cd16-19

CVE-2026-63072 affecting package edk2 for versions less than 20240524git3e722403cd16-19. A patched version of the package is available...

Moderate: Red Hat Security Advisory: edk2 security update

An update for edk2 is now available for Red Hat Enterprise Linux 10.0 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for ea...

AZL-97884 CVE-2026-75803 affecting package edk2 for versions less than 20240524git3e722403cd16-20

Issue summary: ChaCha20-Poly1305 and AES-OCB decryption with an empty ciphertext can report success without verifying the supplied authentication tag when the operation is finalized by calling the EVPCipher function. Impact summary: Applications calling EVPCipher on an empty ciphertext and...

AZL-97890 CVE-2026-63072 affecting package edk2 for versions less than 20240524git3e722403cd16-20

Issue summary: OpenSSL CMS decryption sizes the key-unwrap output buffer based on querying the unwrapped key size, but the AES-WRAP-PAD unwrap primitive can write and cleanse more bytes than that query reports, causing an 8-byte out-of-bounds heap write. Impact summary: An attacker who supplies a...

AZL-97881 CVE-2026-63074 affecting package edk2 for versions less than 20240524git3e722403cd16-20

Issue summary: The OpenSSL Certificate Management Protocol CMP caches additional certificates extraCerts sent in a CMP message, but never expunges them for instance if they are invalid. If a server reuses an OSSLCMPCTX frequently, this cache of extraCerts may grow unboundedly, and a malicious...

AZL-97887 CVE-2026-63076 affecting package edk2 for versions less than 20240524git3e722403cd16-20

Issue summary: OpenSSL CMP password based protection verification only checks whether the protectionAlg parameter was not NULL and not its ASN.1 type, before treating it as a PBMParameter. A crafted message can contain a parameter of a different type, which is then dereferenced as an invalid...

Astra Linux – Vulnerability in edk2

EDK2 contains a vulnerability in the BIOS, where an attacker can cause a “Protection Mechanism Failure” through local access. Successful exploitation of this vulnerability will lead to the execution of arbitrary code, compromising Confidentiality, Integrity, and Availability...

Astra Linux – Vulnerability in edk2

EDK2 contains a vulnerability when the S3 sleep mechanism is activated. In this case, an attacker may cause a Division-by-Zero error due to a UNIT32 overflow through local access. Successful exploitation of this vulnerability could result in a loss of availability...

Astra Linux – Vulnerability in edk2

NetworkPkg/IScsiDxe has remotely exploitable buffer overflows...

Astra Linux – Vulnerability in edk2

EDK2’s Network Package is vulnerable to a buffer overflow vulnerability when processing the DNS Server option from a DHCPv6 Advertise message. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality, Integrity, and/or...

Astra Linux – Vulnerability in edk2

The Ubuntu edk2 UEFI firmware packages accidentally allowed access to the UEFI Shell in Secure Boot environments, potentially enabling bypass of Secure Boot restrictions. Versions 2024.05-2ubuntu0.3 and 2024.02-2ubuntu0.3 disable the Shell. Some earlier versions introduced a security measure base...

SUSE CVE-2025-3770

EDK2 contains a vulnerability in BIOS where an attacker may cause “Protection Mechanism Failure” by local access. Successful exploitation of this vulnerability will lead to arbitrary code execution and impact Confidentiality, Integrity, and Availability...

OESA-2026-3003 edk2 security update

EDK II is a modern, feature-rich, cross-platform firmware development environment for the UEFI and PI specifications. Security Fixes: Issue summary: A specially crafted password-encrypted CMS message can trigger a NULL pointer dereference during CMS decryption. Impact summary: This NULL pointer...

RLSA-2026:39297 Moderate: edk2 security, bug fix, and enhancement update

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 Fixes: openssl: openssl: Information Disclosure from Uninitialized Memory via Invalid RSA Public Key CVE-2026-31790 openssl: OpenSS...

RHEL 10 : edk2 (RHSA-2026:39297)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:39297 advisory. EDK Embedded Development Kit is a project to enable UEFI support for Virtual Machines. This package contains a sample 64-bit UEFI firmware...