Independent & educational platform Not a government body. No link or affiliation with any government organisation. Made for learning only. Test only systems you own or are authorised to test. Become a Partner or Sponsor → Full disclaimer

CVE-2024-0229

high

An out-of-bounds memory access flaw was found in the X.Org server.

Vendor / product: X.org — x server

An out-of-bounds memory access flaw was found in the X.Org server. This issue can be triggered when a device frozen by a sync grab is reattached to a different master device. This issue may lead to an application crash, local privilege escalation (if the server runs with extended privileges), or remote code execution in SSH X11 forwarding environments.

CVSS
7.8
7.8 (CVSS v3.1)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2024-02-09 07:16
Modified: 2026-11-04 21:17
NVD status: Modified
Last synced 4 hours ago
Verified against the source API 2026-11-04 21:37 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).

Affected products

x.org / x_server <21.1.11
x.org / xwayland <23.2.4
fedoraproject / fedora 39
redhat / enterprise_linux 7.0, 8.0, 9.0
redhat / enterprise_linux_aus 8.2, 8.4
redhat / enterprise_linux_eus 8.6, 8.8, 9.0, 9.2
redhat / enterprise_linux_tus 8.2, 8.4
redhat / enterprise_linux_update_services_for_sap_solutions 8.2, 8.4

Weakness classification (CWE)

CWE-787

Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.

Mitigation & advisories

No vendor advisory or patch reference tagged by NVD. Check the references below.

References

Data sources

NVD CVE API 2.0 — fetched 2026-11-04 21:37 UTC · record ↗

Learn the basics

Understanding CVEs and CVSS Scores

Related CVEs

CVE-2026-50264CVE-2026-50261CVE-2026-50260CVE-2026-50259CVE-2026-50258