Intel processors Post-barrier RSB predictions vulnerability



Published: 2022-08-16
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-26373
CWE-ID CWE-264
Exploitation vector Local
Public exploit N/A
Vulnerable software
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Intel Xeon E Processors
Hardware solutions / Firmware

Intel Xeon D Processors
Hardware solutions / Firmware

Intel Xeon W Processors
Hardware solutions / Firmware

Intel Core X-series Processors
Hardware solutions / Firmware

2nd Generation Intel Xeon Scalable Processors
Hardware solutions / Firmware

3rd Generation Intel Xeon Scalable Processors
Hardware solutions / Firmware

10th Generation Intel Core Processors
Hardware solutions / Firmware

Intel Core Processors with Intel Hybrid Technology
Hardware solutions / Firmware

11th Generation Intel Core Processors
Hardware solutions / Firmware

Intel Xeon Processors
Hardware solutions / Firmware

8th Generation Intel Core Processors
Hardware solutions / Firmware

Intel Pentium Gold Processor Series
Hardware solutions / Firmware

Intel Celeron Processor 5000 Series
Hardware solutions / Firmware

12th Generation Intel Core Processors
Hardware solutions / Firmware

Intel Celeron Processors
Hardware solutions / Firmware

9th Generation Intel Core Processors
Client/Desktop applications / Web browsers

Vendor Intel

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Security restrictions bypass

EUVDB-ID: #VU66549

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2022-26373

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

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

The vulnerability exists due to non-transparent sharing of return predictor targets between contexts in Intel CPU processors. A local user can bypass the expected architecture isolation between contexts and gain access to sensitive information on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Intel Xeon E Processors: All versions

Intel Xeon D Processors: All versions

Intel Xeon W Processors: All versions

Intel Core X-series Processors: All versions

2nd Generation Intel Xeon Scalable Processors: All versions

3rd Generation Intel Xeon Scalable Processors: All versions

10th Generation Intel Core Processors: All versions

Intel Core Processors with Intel Hybrid Technology: All versions

11th Generation Intel Core Processors: All versions

Intel Xeon Processors: All versions

8th Generation Intel Core Processors: All versions

Intel Pentium Gold Processor Series: All versions

Intel Celeron Processor 5000 Series: All versions

12th Generation Intel Core Processors: All versions

Intel Celeron Processors: All versions

9th Generation Intel Core Processors: All versions


CPE2.3 External links

http://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00706.html

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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