CVE-2023-23586

Due to a vulnerability in the iouring subsystem, it is possible to leak kernel memory information to the user process. timensinstall calls currentissinglethreaded to determine if the current process is single-threaded, but this call does not consider iouring's ioworker threads, thus it is possibl...

UBUNTU-CVE-2023-23586

Due to a vulnerability in the iouring subsystem, it is possible to leak kernel memory information to the user process. timensinstall calls currentissinglethreaded to determine if the current process is single-threaded, but this call does not consider iouring's ioworker threads, thus it is possibl...

PT-2021-7676 · Linux +3 · Linux Kernel +3

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 5.10.161 Description: A vulnerability in the io uring subsystem can leak kernel memory information to the user process. The timens install function calls current is single threaded to determine if the current...

Denial Of Service (DoS)

kernel is vulnerable to denial of service. It was found that reporting emulation failures to user space could lead to either a local CVE-2014-7842 or a L2-L1 CVE-2010-5313 denial of service. In the case of a local denial of service, an attacker must have access to the MMIO area or be able to acce...

kernel: kvm: reporting emulation failures to userspace

It was found that reporting emulation failures to user space could lead to either a local CVE-2014-7842 or a L2-L1 CVE-2010-5313 denial of service. In the case of a local denial of service, an attacker must have access to the MMIO area or be able to access an I/O port. Please note that on certain...

AMD Bulldozer Linux ASLR weakness: Reducing entropy by 87.5%

A security issue in Linux ASLR implementation which affects some AMD processors has been found. The issue affects to all Linux process even if they are not using shared libraries statically compiled. The problem appears because some mmapped objects VDSO, libraries, etc. are poorly randomized in a...