一个缺陷被发现在xorg-x11-server版本21.1.2 1.20.14之前。一个界外访问可以发生在SProcXFixesCreatePointerBarrier函数。这个漏洞的威胁是最高的数据机密性和完整性以及系统的可用性。
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/(电子邮件保护)/信息/ PDHYZM6FII35JA7J275MFCJO6ADJUPQX /
https://lists.fedoraproject.org/archives/list/(电子邮件保护)/信息/ T57DCF726O5LLTST4NBL5PQ7DLPB46HT /
https://www.zerodayinitiative.com/advisories/ZDI-21-1548/
https://www.debian.org/security/2021/dsa - 5027
https://lists.debian.org/debian-lts-announce/2021/12/msg00035.html
https://lists.fedoraproject.org/archives/list/(电子邮件保护)/信息/ NKLSZCY47QK4RCJFXITYFALCGPJAFXOK /
https://lists.fedoraproject.org/archives/list/(电子邮件保护)/信息/ NXTRPFEQLFZ6NT2LPLZEID664RGC3OCC /