What is CVE-2023-34322?

CVE-2023-34322 is a high-severity vulnerability in Xen, classified under Improper Check for Dropped Privileges. CVSS score: 7.8/10. Published 2024-01-05.

How severe is CVE-2023-34322?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Xen

CVE-2023-34322

For migration as well as to work around kernels unaware of L1TF (see XSA-273), PV guests may be run in shadow paging mode. Since Xen itself needs to be mapped when PV guests run, Xen and shadowed PV guests run directly the respective shad…

EPSS: 0.002 (13.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Xen — versions consult Xen advisory XSA-438

Weakness classification (CWE)

CWE-273 — Improper Check for Dropped Privileges

References

security@xen.org (Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2023-34322?: CVE-2023-34322 is a high-severity vulnerability in Xen, classified under Improper Check for Dropped Privileges. CVSS score: 7.8/10. Published 2024-01-05.
How severe is CVE-2023-34322?: High severity. CVSS v3 base score is 7.8 out of 10.