CVE-2022-42333
First published: Tue Mar 21 2023(Updated: )
x86/HVM pinned cache attributes mis-handling T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] To allow cachability control for HVM guests with passed through devices, an interface exists to explicitly override defaults which would otherwise be put in place. While not exposed to the affected guests themselves, the interface specifically exists for domains controlling such guests. This interface may therefore be used by not fully privileged entities, e.g. qemu running deprivileged in Dom0 or qemu running in a so called stub-domain. With this exposure it is an issue that - the number of the such controlled regions was unbounded (CVE-2022-42333), - installation and removal of such regions was not properly serialized (CVE-2022-42334).
Credit: security@xen.org security@xen.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/xen | <=4.11.4+107-gef32c7afa2-1 | 4.14.6-1 4.14.5+94-ge49571868d-1 4.17.1+2-gb773c48e36-1 4.17.2+55-g0b56bed864-1 |
| Xen xen-unstable | >=4.11.0<=4.17.0 | |
| Debian | =11.0 | |
| Fedora | =37 | |
| Fedora | =38 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- https://www.openwall.com/lists/oss-security/2023/03/21/2
- https://xenbits.xen.org/xsa/advisory-428.html
- https://security-tracker.debian.org/tracker/CVE-2022-42333
- http://www.openwall.com/lists/oss-security/2023/03/21/2
- http://xenbits.xen.org/xsa/advisory-428.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5L6PM4RE7MUE6OWA32ZVOXCP235RM2TM/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/APBMS2Q6746AXAFAITNJMGBNFGNMVLWR/
- https://www.debian.org/security/2023/dsa-5378
- https://xenbits.xenproject.org/xsa/advisory-428.txt
- https://security.gentoo.org/glsa/202402-07
Frequently Asked Questions
What is the severity of CVE-2022-42333?
The severity of CVE-2022-42333 is high with a severity value of 8.6.
How does CVE-2022-42333 affect Xen Xen?
Xen Xen is affected by CVE-2022-42333 with versions between 4.11.0 and 4.17.0.
How does CVE-2022-42333 affect Debian Debian Linux 11.0?
Debian Debian Linux 11.0 is affected by CVE-2022-42333.
How does CVE-2022-42333 affect Fedoraproject Fedora 37?
Fedoraproject Fedora 37 is affected by CVE-2022-42333.
How does CVE-2022-42333 affect Fedoraproject Fedora 38?
Fedoraproject Fedora 38 is affected by CVE-2022-42333.
Where can I find more information about CVE-2022-42333?
You can find more information about CVE-2022-42333 in the references provided: [Link 1](https://www.openwall.com/lists/oss-security/2023/03/21/2), [Link 2](https://xenbits.xen.org/xsa/advisory-428.html), [Link 3](https://security-tracker.debian.org/tracker/CVE-2022-42333).
- collector/security-tracker-debian
- agent/type
- agent/references
- agent/severity
- agent/weakness
- agent/description
- agent/first-publish-date
- agent/event
- agent/author
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-api
- source/NVD
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- collector/nvd-index
- package-manager/debian
- vendor/xen
- canonical/xen xen-unstable
- version/xen xen-unstable/4.11.0
- version/xen xen-unstable/4.17.0
- vendor/debian
- canonical/debian
- version/debian/11.0
- vendor/fedoraproject
- canonical/fedora
- version/fedora/37
- version/fedora/38