The vulnerability of the efi_mem_reserve_persistent() function in the Linux operating system allows a hacker to cause a service failure.

The vulnerability of the efimemreservepersistent function in the Linux operating system is related to pointer manipulation. Exploiting this vulnerability could allow an attacker to cause a service failure...

CVE-2023-52976

CVE-2023-52976 – Linux kernel : The vulnerability occurs in efi_mem_reserve_persistent when dereferencing the result of memremap while iterating a linked list, if memremap returns NULL. The patch adds a NULL check and falls back to allocating a new page when memremap fails, mitigating potential N...

CVE-2023-52976 efi: fix potential NULL deref in efi_mem_reserve_persistent

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...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from the efi component's failure to check the memremap return value in the efimemreservepersistent function, whic...

GSD-2023-1002037 efi: fix potential NULL deref in efi_mem_reserve_persistent

efi: fix potential NULL deref in efimemreservepersistent This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.15.93 by commit...