CVE-2022-42331: Medium severity xen xapi vulnerability
Published 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.
Affected Software
5 affected componentsFixes available
debian/xen<=4.17.0+46-gaaf74a532c-1, <=4.14.5+86-g1c354767d5-1
4.14.5+94-ge49571868d-14.17.0+74-g3eac216e6e-1
debian/xen<=4.11.4+107-gef32c7afa2-1
4.14.6-14.14.5+94-ge49571868d-14.17.1+2-gb773c48e36-14.17.2+55-g0b56bed864-1
XEN Xen>=4.5.0<=4.17.0
Fedoraproject Fedora=37
Fedoraproject Fedora=38
Event History
Mar 21, 2023
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
DescriptionWeakness
Frequently Asked Questions
1
What is CVE-2022-42331?
CVE-2022-42331 is a speculative vulnerability in the 32-bit SYSCALL path in x86 architecture.
2
How severe is CVE-2022-42331?
CVE-2022-42331 has a severity rating of 5.5 (medium).
3
Which software is affected by CVE-2022-42331?
The affected software includes Xen and Fedora versions 37 and 38.
4
How can I fix CVE-2022-42331?
To fix CVE-2022-42331, make sure to update to the recommended versions of the affected software.
5
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.