CLSA-2023-1674815966 grub2: Fix of 2 CVEs

font: Reject glyphs exceeds font-maxglyphwidth or font-maxglyph height - font: Fix size overflow in grubfontgetglyphinternal - CVE-2022-2601: font: Fix several integer overflows in grubfontconstructglyph - CVE-2022-3775: font: Fix an integer underflow in blitcomb...

GSD-2023-1000860 efi: random: combine bootloader provided RNG seed with RNG protocol output

efi: random: combine bootloader provided RNG seed with RNG protocol output 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 v5.15.87 by commit...

PT-2023-33937

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.15.87 Description The issue concerns the combination of a bootloader-provided RNG seed with RNG protocol output in the EFI implementation. The actual impact and attack plausibility have not yet been proven...

CVE-2023-20525

Insufficient syscall input validation in the ASP Bootloader may allow a privileged attacker to read memory outside the bounds of a mapped register potentially leading to a denial of service...

CVE-2023-20527

Improper syscall input validation in the ASP Bootloader may allow a privileged attacker to read memory out-of-bounds, potentially leading to a denial-of-service...

CVE-2023-20527

Improper syscall input validation in the ASP Bootloader may allow a privileged attacker to read memory out-of-bounds, potentially leading to a denial-of-service...

CVE-2023-20525

Insufficient syscall input validation in the ASP Bootloader may allow a privileged attacker to read memory outside the bounds of a mapped register potentially leading to a denial of service...

CVE-2021-26346

Failure to validate the integer operand in ASP AMD Secure Processor bootloader may allow an attacker to introduce an integer overflow in the L2 directory table in SPI flash resulting in a potential denial of service...

Design/Logic Flaw

Insufficient syscall input validation in the ASP Bootloader may allow a privileged attacker to read memory outside the bounds of a mapped register potentially leading to a denial of service...

Design/Logic Flaw

Improper syscall input validation in the ASP Bootloader may allow a privileged attacker to read memory out-of-bounds, potentially leading to a denial-of-service...

Integer overflow

Failure to validate the integer operand in ASP AMD Secure Processor bootloader may allow an attacker to introduce an integer overflow in the L2 directory table in SPI flash resulting in a potential denial of service...

AMD Secure Encrypted Virtualization 缓冲区错误漏洞

AMD Secure Encrypted Virtualization is a software application from UltraMicroelectronics AMD. Hardware-accelerated memory encryption to protect data in use. AMD Secure Encrypted Virtualization SEV suffers from a buffer error vulnerability that stems from insufficient validation of input. An...

AMD Secure Processor(ASP) 输入验证错误漏洞

AMD Secure Processor ASP is a standalone ARM Coretex-A5 chip from UltraMicroelectronics AMD. AMD Secure Processor ASP suffers from a security vulnerability that stems from inadequate system call input validation in the Bootloader, which could allow a privileged attacker to read memory outside of...

CVE-2023-20527

Improper syscall input validation in the ASP Bootloader may allow a privileged attacker to read memory out-of-bounds, potentially leading to a denial-of-service...

CVE-2023-20527

Improper syscall input validation in the ASP Bootloader may allow a privileged attacker to read memory out-of-bounds, potentially leading to a denial-of-service...

CVE-2023-20527

CVE-2023-20527 concerns the AMD Secure Processor (ASP) Bootloader. The issue is an improper syscall input validation in the Bootloader, which may allow a privileged attacker to read memory out-of-bounds, potentially causing a denial-of-service. The CVSS v3.1 metrics indicate Network attack vector...

CVE-2023-20525

Insufficient syscall input validation in the ASP Bootloader may allow a privileged attacker to read memory outside the bounds of a mapped register potentially leading to a denial of service...

CVE-2023-20525

Insufficient syscall input validation in the ASP Bootloader may allow a privileged attacker to read memory outside the bounds of a mapped register potentially leading to a denial of service...

CVE-2023-20525

The CVE-2023-20525 issue affects the AMD Secure Processor (ASP) Bootloader: it is caused by insufficient syscall input validation that can allow a privileged attacker to read memory outside mapped register bounds, potentially causing a denial of service. Public details identify the affected compo...

CVE-2021-26346

Failure to validate the integer operand in ASP AMD Secure Processor bootloader may allow an attacker to introduce an integer overflow in the L2 directory table in SPI flash resulting in a potential denial of service...