Use After Free in X.org X_server
CVE-2022-46342
A vulnerability was found in X.Org. This security flaw occurs because the handler for the XvdiSelectVideoNotify request may write to memory after it has been freed. This issue can lead to local privileges elevation on systems where the X se
Vulnerability class: Use-After-Free
EPSS: 0.013 (67.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- X.org X_server — versions 1.20.4
- Debian Debian_linux — versions 11.0
- Fedoraproject Fedora — versions 36, 37
- Redhat Enterprise_linux — versions 6.0, 7.0, 8.0
- N/a Xorg-x11-server — versions xorg-x11-server-1.20.4
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (Third Party Advisory, Issue Tracking)
- secalert@redhat.com (Third Party Advisory)
- secalert@redhat.com (vendor-advisory, Mailing List, Third Party Advisory)
- secalert@redhat.com (vendor-advisory, Mailing List, Third Party Advisory)
- secalert@redhat.com (vendor-advisory, Third Party Advisory)
- secalert@redhat.com (vendor-advisory, Mailing List, Third Party Advisory)
- secalert@redhat.com
Frequently asked questions
- What is CVE-2022-46342?
- CVE-2022-46342 is a high-severity vulnerability in X.org X_server, classified under Use After Free. CVSS score: 8.8/10. Published 2022-12-14.
- How severe is CVE-2022-46342?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2022-46342 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.