Integer overflow in Xen - CVE-2022-42336

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Main Vulnerability Database Vulnerabilities #VU77522

Integer overflow in Xen - CVE-2022-42336

Published: June 19, 2023


Vulnerability identifier: #VU77522
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-42336
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Xen Project
Affected software:
Xen

Detailed vulnerability description

The vulnerability allows a remote guest to perform a denial of service (DoS) attack.

The vulnerability exists due to integer overflow in SSBD imlementation. A remote guest can mislead other guests into observing SSBD active when it is not.


How to mitigate CVE-2022-42336

Install updates from vendor's website.

Sources