CVE-2022-46343

moderate-risk
Published 2022-12-14

A vulnerability was found in X.Org. This security flaw occurs because the handler for the ScreenSaverSetAttributes request may write to memory after it has been freed. This issue can lead to local privileges elevation on systems where the X server is running privileged and remote code execution for ssh X forwarding sessions.

Do I need to act?

~
1.1% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
NETWORK / LOW complexity

Affected Products (4)

Affected Vendors

Debian X.Org Fedoraproject

References (14)

Third Party Advisory https://access.redhat.com/security/cve/CVE-2022-46343
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=2151758
Mailing List https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
Mailing List https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
Mailing List https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
https://security.gentoo.org/glsa/202305-30
Third Party Advisory https://www.debian.org/security/2022/dsa-5304
Third Party Advisory https://access.redhat.com/security/cve/CVE-2022-46343
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=2151758
Mailing List https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
Mailing List https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
Mailing List https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
https://security.gentoo.org/glsa/202305-30
Third Party Advisory https://www.debian.org/security/2022/dsa-5304
43
/ 100
moderate-risk
Severity 30/34 · Critical
Exploitability 3/34 · Minimal
Exposure 10/34 · Low