CVE-2023-5367
HIGH severity · CVSS 7.8 · Out-of-bounds write
7.8CVSS HIGH
Summary
A out-of-bounds write flaw was found in the xorg-x11-server. This issue occurs due to an incorrect calculation of a buffer offset when copying data stored in the heap in the XIChangeDeviceProperty function in Xi/xiproperty.c and in RRChangeOutputProperty function in randr/rrproperty.c, allowing for possible escalation of privileges or denial of service.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)1%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products we track (3)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- https://access.redhat.com/errata/RHSA-2023:6802Advisory
- https://access.redhat.com/errata/RHSA-2023:6808Advisory
- https://access.redhat.com/errata/RHSA-2023:7373Advisory
- https://access.redhat.com/errata/RHSA-2023:7388Advisory
- https://access.redhat.com/errata/RHSA-2023:7405Advisory
- https://access.redhat.com/errata/RHSA-2023:7428Advisory
- https://access.redhat.com/errata/RHSA-2023:7436Advisory
- https://access.redhat.com/errata/RHSA-2023:7526Advisory