SB2021030440 - SUSE update for kernel-firmware
Published: March 4, 2021
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 4 secuirty vulnerabilities.
1) Integer overflow (CVE-ID: CVE-2020-12362)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to integer overflow. A local user can run a specially crafted program to trigger integer overflow and execute arbitrary code with elevated privileges.
2) Input validation error (CVE-ID: CVE-2020-12363)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A local user can run a specially crafted program to perform a denial of service (DoS) attack.
3) NULL pointer dereference (CVE-ID: CVE-2020-12364)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error. A local user can run a specially crafted program to perform a denial of service (DoS) attack.
4) Buffer overflow (CVE-ID: CVE-2020-12373)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error in the BMC firmware for some Intel(R) Server Boards, Server Systems and Compute Modules before version 2.47. A local privileged user can trigger memory corruption and execute arbitrary code on the target system with elevated privileges.
Remediation
Install update from vendor's website.