SB2022030908 - Multiple vulnerabilities in Intel Processors

Description

This security bulletin contains information about 2 vulnerabilities.

1) Information disclosure (CVE-ID: CVE-2022-0001)

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 non-transparent sharing of branch predictor selectors between contexts. A local user can gain unauthorized access to sensitive information on the system.

2) Information disclosure (CVE-ID: CVE-2022-0002)

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 non-transparent sharing of branch predictor within a context. A local user can gain unauthorized access to sensitive information on the system.

Remediation

Install update from vendor's website.

References

• https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00598.html
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-0001