CVE-2022-42331
MEDIUM5.5EPSS 0.06%Published: 3/21/2023Modified: 4/28/2026
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.
Affected packages (2)
- Alpine/xenfrom 0, < 4.15.5-r0
- Debian/xenfrom 0, < 4.14.5+94-ge49571868d-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |