CVE-2022-42331
First published: Tue Mar 21 2023(Updated: )
x86: speculative vulnerability in 32bit SYSCALL path Due to an oversight in the very original Spectre/Meltdown security work (XSA-254), one entrypath performs its speculation-safety actions too late. In some configurations, there is an unprotected RET instruction which can be attacked with a variety of speculative attacks.
Credit: security@xen.org security@xen.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/xen | <=4.17.0+46-gaaf74a532c-1<=4.14.5+86-g1c354767d5-1 | 4.14.5+94-ge49571868d-1 4.17.0+74-g3eac216e6e-1 |
| 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 | >=4.5.0<=4.17.0 | |
| Fedoraproject Fedora | =37 | |
| Fedoraproject Fedora | =38 |
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Reference Links
- https://security-tracker.debian.org/tracker/CVE-2022-42331
- https://security-tracker.debian.org/tracker/CVE-2022-42332
- https://security-tracker.debian.org/tracker/CVE-2022-42333
- https://security-tracker.debian.org/tracker/CVE-2022-42334
- https://www.cve.org/CVERecord?id=CVE-2022-42331
- https://www.cve.org/CVERecord?id=CVE-2022-42332
- https://www.cve.org/CVERecord?id=CVE-2022-42333
- https://www.cve.org/CVERecord?id=CVE-2022-42334
- https://security-tracker.debian.org/tracker/CVE-2022-23824
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1033297
- https://www.openwall.com/lists/oss-security/2023/03/21/3
- https://xenbits.xen.org/xsa/advisory-429.html
- http://www.openwall.com/lists/oss-security/2023/03/21/3
- http://xenbits.xen.org/xsa/advisory-429.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-429.txt
- https://security.gentoo.org/glsa/202402-07
Frequently Asked Questions
What is CVE-2022-42331?
CVE-2022-42331 is a speculative vulnerability in the 32-bit SYSCALL path in x86 architecture.
How severe is CVE-2022-42331?
CVE-2022-42331 has a severity rating of 5.5 (medium).
Which software is affected by CVE-2022-42331?
The affected software includes Xen and Fedora versions 37 and 38.
How can I fix CVE-2022-42331?
To fix CVE-2022-42331, make sure to update to the recommended versions of the affected software.
Where can I find more information about CVE-2022-42331?
You can find more information about CVE-2022-42331 on the Debian Security Tracker website.
- collector/debian-bugs
- alias/CVE-2022-42331
- collector/security-tracker-debian
- collector/nvd-index
- agent/type
- agent/last-modified-date
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/references
- agent/severity
- agent/author
- agent/tags
- agent/description
- agent/first-publish-date
- agent/event
- collector/nvd-api
- source/NVD
- agent/software-canonical-lookup
- package-manager/debian
- vendor/xen
- canonical/xen xen
- version/xen xen/4.5.0
- version/xen xen/4.17.0
- vendor/fedoraproject
- canonical/fedoraproject fedora
- version/fedoraproject fedora/37
- version/fedoraproject fedora/38