Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: EFI: Fixed a potential NULL dereference in efememreservepersistent. When iterating over a linked list, the result of memremap is dereferenced without checking if it is NULL. This patch adds a check that falls back to allocating a...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-987684)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-987684 advisory. In the Linux kernel, the following vulnerability has been resolved: efi: fix potential NULL deref in efimemreservepersistent When iterating on a linked list, a resul...

UBUNTU-CVE-2023-52976

In the Linux kernel, the following vulnerability has been resolved: efi: fix potential NULL deref in efimemreservepersistent When iterating on a linked list, a result of memremap is dereferenced without checking it for NULL. This patch adds a check that falls back on allocating a new page in case...