VULNERABILITY INTELLIGENCE
CVE-2022-42331
CVSS score5.5 MEDIUM
EPSS probability0.28%
CISA KEVNot currently listed
Published2023-03-21
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
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.
Weakness classification
- nvd@nist.gov: NVD-CWE-noinfo
Primary references
- security@xen.org — Mailing List, Third Party Advisory
- security@xen.org — Vendor Advisory
- security@xen.org — Mailing List, Third Party Advisory
- security@xen.org — Mailing List, Third Party Advisory
- security@xen.org
- security@xen.org — Third Party Advisory
- security@xen.org — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108