SB2024122740 - Ubuntu update for intel-microcode
Published: December 27, 2024
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 5 secuirty vulnerabilities.
1) Incorrect default permissions (CVE-ID: CVE-2024-21820)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to incorrect default permissions in some Intel Xeon processor memory controller configurations when using Intel SGX. A local user escalate privileges on the system.
2) Improper Check for Unusual or Exceptional Conditions (CVE-ID: CVE-2024-23918)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to improper error handling in Intel SGX. A local user can execute arbitrary code with elevated privileges.
3) Improper finite state machines in hardware logic (CVE-ID: CVE-2024-21853)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to an error in hardware logic. A local unprivileged user can perform a denial of service (DoS) attack.
4) Observable discrepancy (CVE-ID: CVE-2024-23984)
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to observable discrepancy in Running Average Power Limit (RAPL) interface. A local privileged user can gain access to potentially sensitive information.
5) State Issues (CVE-ID: CVE-2024-24968)
The vulnerability allows a local user to perform a denial of service attack.
The vulnerability exists due to improper finite state machines (FSMs) in hardware logic. A local privileged user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.