漏洞信息
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Vulnerability Title
Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: out-of-bounds heap write in dri2 drigetbuffers/drigetbufferswithformat
Vulnerability Description
An out-of-bounds write flaw was found in the X.Org X server and Xwayland in DRIGetBuffers/DRIGetBuffersWithFormat. A client that requests multiple DRI2BufferBackLeft attachments and one DRI2BufferFrontLeft can trigger an out-of-bounds heap write. This may be used to crash the server, or for privilege escalation if the X server runs as root.
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Vulnerability Type
跨界内存写
Vulnerability Title
X.Org X server和Xwayland 缓冲区错误漏洞
Vulnerability Description
X.Org是X.Org基金会的一个开放源代码的自由软件。Xwayland是Xwayland开源的一个通信协议,规定了显示服务器与其客户机之间的通信方式。 X.Org X server和Xwayland 存在缓冲区错误漏洞,该漏洞源于DRIGetBuffers/DRIGetBuffersWithFormat中的越界写入问题,可能导致请求多个DRI2BufferBackLeft附件和一个DRI2BufferFrontLeft的客户端触发堆越界写入,造成服务器崩溃或权限提升。
CVSS Information
N/A
Vulnerability Type
N/A