Out-of-Bounds The advisory has been revoked - it doesn't affect any version of package xorg-x11-server-debugsource (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RHEL8-XORGX11SERVERDEBUGSOURCE-2320845
- published16 Dec 2021
- disclosed14 Dec 2021
Introduced: 14 Dec 2021
CVE-2021-4009 (opens in a new tab)Amendment
The Red Hat security team deemed this advisory irrelevant for RHEL:8.
NVD Description
Note: Versions mentioned in the description apply only to the upstream xorg-x11-server-debugsource package and not the xorg-x11-server-debugsource package as distributed by RHEL.
A flaw was found in xorg-x11-server in versions before 21.1.2 and before 1.20.14. An out-of-bounds access can occur in the SProcXFixesCreatePointerBarrier function. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
References
- https://access.redhat.com/security/cve/CVE-2021-4009
- https://access.redhat.com/errata/RHSA-2022:0003
- https://access.redhat.com/errata/RHSA-2022:1917
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NKLSZCY47QK4RCJFXITYFALCGPJAFXOK/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NXTRPFEQLFZ6NT2LPLZEID664RGC3OCC/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PDHYZM6FII35JA7J275MFCJO6ADJUPQX/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/T57DCF726O5LLTST4NBL5PQ7DLPB46HT/
- https://lists.debian.org/debian-lts-announce/2021/12/msg00035.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NKLSZCY47QK4RCJFXITYFALCGPJAFXOK/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NXTRPFEQLFZ6NT2LPLZEID664RGC3OCC/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PDHYZM6FII35JA7J275MFCJO6ADJUPQX/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T57DCF726O5LLTST4NBL5PQ7DLPB46HT/
- https://lists.x.org/archives/xorg-announce/2021-December/003122.html
- https://lists.x.org/archives/xorg-announce/2021-December/003124.html
- https://security.gentoo.org/glsa/202305-30
- https://security.netapp.com/advisory/ntap-20220114-0004/
- https://www.debian.org/security/2021/dsa-5027
- https://www.zerodayinitiative.com/advisories/ZDI-21-1548/