Astra Linux – Vulnerability in grub2

A flaw was discovered in grub2. The calculation of the translation buffer when reading a language .mo file in grubgettextgetstrfromposition may overflow, resulting in an out-of-bound write. This issue can be exploited by an attacker to overwrite grub2’s sensitive heap data, ultimately allowing th...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: xen/privcmd: restricted usage in unprivileged domU The Xen privcmd driver allows for the issuance of arbitrary hypercalls from user space processes. This is normally not a problem, as access is usually limited to root, and the...

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...

Astra Linux – Vulnerability in grub2

A carefully crafted JPEG image may cause the JPEG reader to underflow its data pointer, allowing user-controlled data to be written into the heap. For the attack to succeed, the attacker must analyze the heap layout and create an image with malicious format and payloads. This vulnerability can le...

Astra Linux – Vulnerability in grub2

A crafted 16-bit grayscale PNG image may lead to an out-of-bounds write in the heap area. An attacker may exploit this to cause heap data corruption or, ultimately, arbitrary code execution and circumvent secure boot protections. This issue is highly complex to exploit; an attacker needs to perfo...

Astra Linux – Vulnerability in Linux

The Linux kernel up to version 5.8.13 does not properly enforce the Secure Boot Forbidden Signature Database also known as dbx protection mechanism. This issue affects the certs/blacklist.c and certs/systemkeyring.c files...

Exploit for CVE-2026-79298

🐞 CVE-2026-79298: Incomplete Remediation of UEFI Secure Boo...

TALKINGEBN

|-------------------| TALKINGBEN : --- Un malware BootKit que primero realiza una escalada de privilegios en la máquina víctima. Utilizando parcheo en NtTraceEvent y AMSI escáner de búfer de memoria, lo que le permite evadir Windows Defender y cargar un payload sin ser detectado. Luego usamos...

CVE-2026-6485

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

AZL-100017 CVE-2026-6485 affecting package qemu 10.1.0-1

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

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-2026-6485

CVE-2026-6485 affects UEFI BIOS firmware that embeds the TianoCore EDK II UEFI Shell in SPI Flash. A logic error in the Shell boot option removal process allows an attacker with root privileges to create multiple boot entries, bypassing the Secure Boot check and gaining access to the Shell's phys...

CVE-2026-6485 UEFI BIOS embedded Shell can be used to bypass Secure Boot

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

EUVD-2026-74613

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

CVE-2026-6485 UEFI BIOS embedded Shell can be used to bypass Secure Boot

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

CVE-2026-6485: Active Debug Code

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

PT-2026-88810

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

CVE-2026-69713

Dependency on vulnerable third-party component in Windows Secure Boot allows an authorized attacker to bypass a security feature locally...

CVE-2026-20293

A vulnerability in the Unified Extensible Firmware Interface UEFI Shell implementation of Cisco UCS Servers and UCS-based appliances could allow an authenticated attacker with valid credentials for a user account with the role of user or admin or an unauthenticated attacker with physical access t...

CVE-2026-69713

CVE-2026-69713 is a security feature bypass in Windows Secure Boot caused by a dependency on a vulnerable third-party component . An authorized attacker with high privileges can exploit this vulnerability locally to bypass a security feature, resulting in a high integrity impact but no confidenti...