A flaw was found in the X.Org server. The cursor code in both Xephyr and Xwayland uses the wrong type of private at creation. It uses the cursor bits type with the cursor as private, and when initiating the cursor, that overwrites the XSELINUX context.
A flaw was found in the X.Org server. The cursor code in both Xephyr and Xwayland uses the wrong type of private at creation. It uses the cursor bits type with the cursor as private, and when initiating the cursor, that overwrites the XSELINUX context.
| Vendor | Product | Versions |
|---|---|---|
| ? | ? | 21.1.0 |
| Red Hat | Red Hat Enterprise Linux 7 | 0:1.20.4-27.el7_9 |
| Red Hat | Red Hat Enterprise Linux 8 | 0:1.20.11-22.el8 |
| Red Hat | Red Hat Enterprise Linux 8 | 0:21.1.3-15.el8 |
| Red Hat | Red Hat Enterprise Linux 9 | 0:1.20.11-24.el9 |
| Red Hat | Red Hat Enterprise Linux 9 | 0:22.1.9-5.el9 |
| Red Hat | Red Hat Enterprise Linux 6 | unspecified |
| Red Hat | Red Hat Enterprise Linux 6 | unspecified |
| Red Hat | Red Hat Enterprise Linux 7 | unspecified |
| Red Hat | Red Hat Enterprise Linux 8 | unspecified |
| Red Hat | Red Hat Enterprise Linux 9 | unspecified |
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.