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I. Basic Information for CVE-2025-26594
Vulnerability Information
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Vulnerability Title
X.org: xwayland: use-after-free of the root cursor
Source: NVD (National Vulnerability Database)
Vulnerability Description
A use-after-free flaw was found in X.Org and Xwayland. The root cursor is referenced in the X server as a global variable. If a client frees the root cursor, the internal reference points to freed memory and causes a use-after-free.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
释放后使用
Source: NVD (National Vulnerability Database)
Vulnerability Title
X.Org和Xwayland 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
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和Xwayland存在资源管理错误漏洞，该漏洞源于根光标作为全局变量在X服务器中被引用，如果客户端释放根光标，内部引用指向已释放内存，导致释放后重用。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
-- 0 ~ 21.1.16 -
Red HatRed Hat Enterprise Linux 10 0:24.1.5-3.el10_0 ~ * cpe:/o:redhat:enterprise_linux:10.0
Red HatRed Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION 0:1.1.0-25.el6_10 ~ * cpe:/o:redhat:rhel_els:6
Red HatRed Hat Enterprise Linux 7 Extended Lifecycle Support 0:1.8.0-36.el7_9 ~ * cpe:/o:redhat:rhel_els:7
Red HatRed Hat Enterprise Linux 7 Extended Lifecycle Support 0:1.20.4-30.el7_9 ~ * cpe:/o:redhat:rhel_els:7
Red HatRed Hat Enterprise Linux 8 0:1.13.1-15.el8_10 ~ * cpe:/a:redhat:enterprise_linux:8::appstream
Red HatRed Hat Enterprise Linux 8.2 Advanced Update Support 0:1.9.0-15.el8_2.13 ~ * cpe:/a:redhat:rhel_aus:8.2::appstream
Red HatRed Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support 0:1.11.0-8.el8_4.12 ~ * cpe:/a:redhat:rhel_tus:8.4::appstream
Red HatRed Hat Enterprise Linux 8.4 Telecommunications Update Service 0:1.11.0-8.el8_4.12 ~ * cpe:/a:redhat:rhel_tus:8.4::appstream
Red HatRed Hat Enterprise Linux 8.4 Update Services for SAP Solutions 0:1.11.0-8.el8_4.12 ~ * cpe:/a:redhat:rhel_tus:8.4::appstream
Red HatRed Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support 0:1.12.0-6.el8_6.13 ~ * cpe:/a:redhat:rhel_e4s:8.6::appstream
Red HatRed Hat Enterprise Linux 8.6 Telecommunications Update Service 0:1.12.0-6.el8_6.13 ~ * cpe:/a:redhat:rhel_e4s:8.6::appstream
Red HatRed Hat Enterprise Linux 8.6 Update Services for SAP Solutions 0:1.12.0-6.el8_6.13 ~ * cpe:/a:redhat:rhel_e4s:8.6::appstream
Red HatRed Hat Enterprise Linux 8.8 Extended Update Support 0:1.12.0-15.el8_8.12 ~ * cpe:/a:redhat:rhel_eus:8.8::appstream
Red HatRed Hat Enterprise Linux 9 0:1.14.1-1.el9_5.1 ~ * cpe:/a:redhat:enterprise_linux:9::appstream
Red HatRed Hat Enterprise Linux 9 0:1.20.11-28.el9_6 ~ * cpe:/a:redhat:enterprise_linux:9::crb
Red HatRed Hat Enterprise Linux 9 0:23.2.7-3.el9_6 ~ * cpe:/a:redhat:enterprise_linux:9::crb
Red HatRed Hat Enterprise Linux 9.0 Update Services for SAP Solutions 0:1.11.0-22.el9_0.13 ~ * cpe:/a:redhat:rhel_e4s:9.0::appstream
Red HatRed Hat Enterprise Linux 9.2 Extended Update Support 0:1.12.0-14.el9_2.10 ~ * cpe:/a:redhat:rhel_eus:9.2::appstream
Red HatRed Hat Enterprise Linux 9.4 Extended Update Support 0:1.13.1-8.el9_4.5 ~ * cpe:/a:redhat:rhel_eus:9.4::appstream
Red HatRed Hat Enterprise Linux 6-cpe:/o:redhat:enterprise_linux:6
Red HatRed Hat Enterprise Linux 8-cpe:/o:redhat:enterprise_linux:8
Red HatRed Hat Enterprise Linux 8-cpe:/o:redhat:enterprise_linux:8
II. Public POCs for CVE-2025-26594
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III. Intelligence Information for CVE-2025-26594
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IV. Related Vulnerabilities
Same weakness: CWE-416
V. Comments for CVE-2025-26594

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