CVE-2021-4011

Description

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 SwapCreateRegister function. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

References

https://www.zerodayinitiative.com/advisories/ZDI-21-1550/

https://www.debian.org/security/2021/dsa-5027

https://security.netapp.com/advisory/ntap-20220114-0004/

https://security.gentoo.org/glsa/202305-30

https://lists.x.org/archives/xorg-announce/2021-December/003124.html

https://lists.x.org/archives/xorg-announce/2021-December/003122.html

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T57DCF726O5LLTST4NBL5PQ7DLPB46HT/

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/NXTRPFEQLFZ6NT2LPLZEID664RGC3OCC/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NKLSZCY47QK4RCJFXITYFALCGPJAFXOK/

https://lists.debian.org/debian-lts-announce/2021/12/msg00035.html

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3