SB2021061027 - SUSE update for ucode-intel

Description

This security bulletin contains information about 4 vulnerabilities.

1) Incomplete cleanup (CVE-ID: CVE-2020-24489)

CWE-ID: CWE-459 - Incomplete cleanup

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

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

The vulnerability exists due to incomplete cleanup, which leads to security restrictions bypass and privilege escalation.

2) Information disclosure (CVE-ID: CVE-2020-24511)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear

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

The vulnerability exists due to improper isolation of shared resources. A local user can gain unauthorized access to sensitive information on the system.

3) Observable discrepancy (CVE-ID: CVE-2020-24512)

CWE-ID: CWE-203 - Observable discrepancy

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear

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

The vulnerability exists due to observable timing discrepancy. A local user can gain unauthorized access to sensitive information on the system.

4) Information disclosure (CVE-ID: CVE-2020-24513)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear

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

The vulnerability exists due to domain-bypass transient execution issue. A local user can gain unauthorized access to sensitive information on the system.

Remediation

Install update from vendor's website.

References

• https://www.suse.com/support/update/announcement/2021/suse-su-20211930-1/