Ubuntu 22.04: USN-6954-1 Critical: QEMU Denial Of Service Issues

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 22.04 LTS Summary: Several security issues were fixed in QEMU. Software Description: - qemu: Machine emulator and virtualizer Details: Markus Frank and Fiona Ebner discovered that QEMU did not properly handle certain memory operations, leading to a NULL pointer dereference. An authenticated user could potentially use this issue to cause a denial of service. (CVE-2023-6683) Xiao Lei discovered that QEMU did not properly handle certain memory operations when specific features were enabled, which could lead to a stack overflow. An attacker could potentially use this issue to leak sensitive information. (CVE-2023-6693) It was discovered that QEMU had an integer underflow vulnerability in the TI command, which would result in a buffer overflow. An attacker could potentially use this issue to cause a denial of service. (CVE-2024-24474)