Vulnerability in Xen
CVE-2022-42309
Xenstore: Guests can crash xenstored Due to a bug in the fix of XSA-115 a malicious guest can cause xenstored to use a wrong pointer during node creation in an error path, resulting in a crash of xenstored or a memory corruption in xenstor…
EPSS: 0.003 (19.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Xen — versions consult Xen advisory XSA-414
- Debian Debian_linux — versions 11.0
- Fedoraproject Fedora — versions 35, 36, 37
Weakness classification (CWE)
References
- security@xen.org (Patch, Vendor Advisory)
- security@xen.org (Patch, Vendor Advisory)
- security@xen.org (mailing-list, Mailing List, Third Party Advisory)
- security@xen.org (vendor-advisory, Third Party Advisory)
- security@xen.org (vendor-advisory)
- security@xen.org (vendor-advisory)
- security@xen.org (vendor-advisory)
- security@xen.org (vendor-advisory)
Frequently asked questions
- What is CVE-2022-42309?
- CVE-2022-42309 is a high-severity vulnerability in Xen, classified under Release of Invalid Pointer or Reference. CVSS score: 8.8/10. Published 2022-11-01.
- How severe is CVE-2022-42309?
- High severity. CVSS v3 base score is 8.8 out of 10.