CVE-2023-5380
MEDIUM severity · CVSS 4.7 · Use-after-free
4.7CVSS MEDIUM
Summary
A use-after-free flaw was found in the xorg-x11-server. An X server crash may occur in a very specific and legacy configuration (a multi-screen setup with multiple protocol screens, also known as Zaphod mode) if the pointer is warped from within a window on one screen to the root window of the other screen and if the original window is destroyed followed by another window being destroyed.
Impact & exploitability
Attack vectorLocal
Attack complexityHigh
Privileges requiredLow
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)1%
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products we track (3)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://lists.x.org/archives/xorg-announce/2023-October/003430.html ↗
Additional information
- NVD record
- https://lists.x.org/archives/xorg-announce/2023-October/003430.htmlPatch
- https://access.redhat.com/errata/RHSA-2023:7428Advisory
- https://access.redhat.com/errata/RHSA-2024:2169
- https://access.redhat.com/errata/RHSA-2024:2298
- https://access.redhat.com/errata/RHSA-2024:2995
- https://access.redhat.com/errata/RHSA-2024:3067
- https://access.redhat.com/security/cve/CVE-2023-5380Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2244736