Most recent entries from all https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Mon, 28 Sep 2026 23:14:16 +0000 CVE-2020-15705 — GRUB2: avoid loading unsigned kernels when GRUB is booted directly under secureboot without shim https://vulnerability.circl.lu/vuln/cve-2020-15705 <p><strong>Affected:</strong> Ubuntu grub2 in Ubuntu</p> <p>GRUB2 fails to validate kernel signature when booted directly without shim, allowing secure boot to be bypassed. This only affects systems where the kernel signing certificate has been imported directly into the secure boot database and the GRUB image is booted directly without the use of shim. This issue affects GRUB2 version 2.04 and prior versions.</p> <p><strong>Affected:</strong> Ubuntu grub2 in Ubuntu</p> <p>GRUB2 fails to validate kernel signature when booted directly without shim, allowing secure boot to be bypassed. This only affects systems where the kernel signing certificate has been imported directly into the secure boot database and the GRUB image is booted directly without the use of shim. This issue affects GRUB2 version 2.04 and prior versions.</p> https://vulnerability.circl.lu/vuln/cve-2020-15705