Is CVE-2022-42331 actively exploited?

CVE-2022-42331 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2022-42331?

CVE-2022-42331 has a CVSS score of 5.5 (MEDIUM severity). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

How do I patch CVE-2022-42331?

Patch guidance is available from xen security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2022-42331.

CVE-2022-42331 - remediation guidance & executive summary

Q: Which products are affected by CVE-2022-42331?

3 products: xen xen, fedoraproject fedora, fedoraproject fedora.

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 Metrics

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack Vector: local
Complexity: low
Privileges: low
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: none
Availability: none
Weaknesses: NVD-CWE-noinfo

Metadata

Primary Vendor: XEN
Published: 3/21/2023
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2022-42331

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary