CVE-2022-26357

 

Published at: - 05-04-2022 03:15

Last modified: - 01-07-2022 07:36

Total changes: - 6

Description

race in VT-d domain ID cleanup Xen domain IDs are up to 15 bits wide. VT-d hardware may allow for only less than 15 bits to hold a domain ID associating a physical device with a particular domain. Therefore internally Xen domain IDs are mapped to the smaller value range. The cleaning up of the housekeeping structures has a race, allowing for VT-d domain IDs to be leaked and flushes to be bypassed.

Common Vulnerability Scoring System (CVSS)

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

 

Verification logic

 

Reference

• https://xenbits.xenproject.org/xsa/advisory-399.txt
• http://xenbits.xen.org/xsa/advisory-399.html
• [oss-security] 20220405 Xen Security Advisory 399 v2 (CVE-2022-26357) - race in VT-d domain ID cleanup-Mailing List, Patch, Third Party Advisory
• DSA-5117-Third Party Advisory
• FEDORA-2022-dfbf7e2372-Mailing List, Third Party Advisory
• FEDORA-2022-64b2c02d29-Mailing List, Third Party Advisory

 

Keywords

NVD

 

CVE-2022-26357

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures