kernel: bypass of shadow stack protection due to a logic error

A vulnerability was found in the efirtasmwrapper of the efi-rt-wrapper.S in the Linux kernel, where there is a possible bypass of shadow stack protection due to a logic error in the code. This flaw could lead to local escalation of privilege without additional execution privileges needed...

Moderate: Red Hat Security Advisory: dmidecode security update

An update for dmidecode is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from...

The vulnerability of the handle_image() function in the UEFI loader shim allows a hacker to execute arbitrary code or cause a service failure.

The vulnerability of the handleimage function in the UEFI loader shim is related to the issue of writing data beyond the buffer boundaries when processing EFI files, taking into account the SizeOfRawData field. Exploiting this vulnerability allows an attacker to execute arbitrary code or cause...

Siemens EFI Boot Guard 输入验证错误漏洞

Siemens EFI Boot Guard is a simple UEFI boot loader from Siemens Germany. A code execution vulnerability exists in Siemens EFI Boot Guard versions prior to 0.15, which stems from insufficient input validation and cleanup, and can be exploited by an attacker to execute arbitrary code in privileged...

Insyde InsydeH2O Input Validation Error Vulnerability

Insyde InsydeH2O is a C-language source from Insyde Corporation of Taiwan that implements the new technology "EFI/UEFI" specification, designed to replace the traditional BIOS Basic Input/Output System. A security vulnerability exists in Insyde InsydeH2O versions 5.0 through 5.5, which stems from...

CVE-2023-25600

An issue was discovered in InsydeH2O. A malicious operating system can tamper with a runtime-writable EFI variable, leading to out-of-bounds memory reads and a denial of service. This is fixed in version 01.01.04.0016...

AZL-35252 CVE-2022-28737 affecting package shim for versions less than 15.8-3

There's a possible overflow in handleimage when shim tries to load and execute crafted EFI executables; The handleimage function takes into account the SizeOfRawData field from each section to be loaded. An attacker can leverage this to perform out-of-bound writes into memory. Arbitrary code...

AZL-27559 CVE-2022-28737 affecting package shim for versions less than 15.8-1

There's a possible overflow in handleimage when shim tries to load and execute crafted EFI executables; The handleimage function takes into account the SizeOfRawData field from each section to be loaded. An attacker can leverage this to perform out-of-bound writes into memory. Arbitrary code...

CVE-2023-28026

Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious user with administrator privileges may potentially exploit this vulnerability in order to modify a UEFI variable...

CVE-2023-28060

Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious user with administrator privileges may potentially exploit this vulnerability in order to modify a UEFI variable...

CVE-2023-28050

Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious user with administrator privileges may potentially exploit this vulnerability in order to modify a UEFI variable...

CVE-2023-28032

Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious user with administrator privileges may potentially exploit this vulnerability in order to modify a UEFI variable...

CVE-2023-25937

Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious user with administrator privileges may potentially exploit this vulnerability in order to modify a UEFI variable...

Dell BIOS 输入验证错误漏洞

Dell BIOS is embedded software on a small memory chip on a computer motherboard from Dell USA. Dell BIOS has an input validation error vulnerability that stems from incorrect input validation. An attacker could exploit this vulnerability to modify UEFI variables...

Dell BIOS 输入验证错误漏洞

Dell BIOS is embedded software on a small memory chip on a computer motherboard from Dell USA. Dell BIOS has an input validation error vulnerability that stems from incorrect input validation. An attacker could exploit this vulnerability to modify UEFI variables...

Dell BIOS 输入验证错误漏洞

Dell BIOS is embedded software on a small memory chip on a computer motherboard from Dell USA. Dell BIOS has an input validation error vulnerability that stems from incorrect input validation. An attacker could exploit this vulnerability to modify UEFI variables...

Dell BIOS 输入验证错误漏洞

Dell BIOS is embedded software on a small memory chip on a computer motherboard from Dell USA. Dell BIOS has an input validation error vulnerability that stems from incorrect input validation. An attacker could exploit this vulnerability to modify UEFI variables...

Dell BIOS 输入验证错误漏洞

Dell BIOS is embedded software on a small memory chip on a computer motherboard from Dell USA. Dell BIOS has an input validation error vulnerability that stems from incorrect input validation. An attacker could exploit this vulnerability to modify UEFI variables...

Dell BIOS 输入验证错误漏洞

Dell BIOS is embedded software on a small memory chip on a computer motherboard from Dell USA. Dell BIOS has an input validation error vulnerability that stems from incorrect input validation. An attacker could exploit this vulnerability to modify UEFI variables...

Dell BIOS 输入验证错误漏洞

Dell BIOS is embedded software on a small memory chip on the motherboard of a computer from Dell USA. Dell BIOS has an input validation error vulnerability that stems from incorrect input validation. An attacker exploiting this vulnerability could modify UEFI variables...