SB2023082335 - SUSE update for ucode-intel 

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB2023082335

SB2023082335 - SUSE update for ucode-intel

Published: August 23, 2023

Security Bulletin ID SB2023082335
Severity
Medium
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 33% Low 67%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Information exposure through microarchitectural state after transient execution (CVE-ID: CVE-2022-40982)

The vulnerability allows a malicious guest to escalate privileges on the system.

The vulnerability exists due to the way data is shared between threads whereby the AVX GATHER instructions on Intel processors can forward the content of stale vector registers to dependent instructions. A malicious guest can infer data from different contexts on the same core and execute arbitrary code with elevated privileges.


2) Unauthorized error injection (CVE-ID: CVE-2022-41804)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to unauthorized error injection in some Intel Xeon Processors with Intel Software Guard Extensions (SGX). A local user can execute arbitrary code with elevated privileges.


3) Improper access control (CVE-ID: CVE-2023-23908)

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to improper access restrictions. A local privileged user can gain access to sensitive information.


Remediation

Install update from vendor's website.

References