Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Xen | Xen | >= 4.5.0, <= 4.17.0 |
| Fedoraproject | Fedora | 37 |
References
- http://www.openwall.com/lists/oss-security/2023/03/21/3Mailing ListThird Party Advisory
- http://xenbits.xen.org/xsa/advisory-429.htmlVendor Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproMailing ListThird Party Advisory
- https://security.gentoo.org/glsa/202402-07
- https://www.debian.org/security/2023/dsa-5378Third Party Advisory
- https://xenbits.xenproject.org/xsa/advisory-429.txtVendor Advisory
- http://www.openwall.com/lists/oss-security/2023/03/21/3Mailing ListThird Party Advisory
- http://xenbits.xen.org/xsa/advisory-429.htmlVendor Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproMailing ListThird Party Advisory
- https://security.gentoo.org/glsa/202402-07
- https://www.debian.org/security/2023/dsa-5378Third Party Advisory
- https://xenbits.xenproject.org/xsa/advisory-429.txtVendor Advisory
FAQ
What is CVE-2022-42331?
CVE-2022-42331 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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. ...
How severe is CVE-2022-42331?
CVE-2022-42331 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-42331?
Check the references section above for vendor advisories and patch information. Affected products include: Xen Xen, Fedoraproject Fedora.