{"id":"USN-6587-3","aliases":[],"status":"published","title":"xorg-server, xwayland regression","description":"USN-6587-1 fixed vulnerabilities in X.Org X Server. The fix was incomplete\nresulting in a possible regression. This update fixes the problem.\n\nWe apologize for the inconvenience.\n\nOriginal advisory details:\n\n Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled\n memory when processing the DeviceFocusEvent and ProcXIQueryPointer APIs. An\n attacker could possibly use this issue to cause the X Server to crash,\n obtain sensitive information, or execute arbitrary code. (CVE-2023-6816)\n \n Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled\n reattaching to a different master device. An attacker could use this issue\n to cause the X Server to crash, leading to a denial of service, or possibly\n execute arbitrary code. (CVE-2024-0229)\n \n Olivier Fourdan and Donn Seeley discovered that the X.Org X Server\n incorrectly labeled GLX PBuffers when used with SELinux. An attacker could\n use this issue to cause the X Server to crash, leading to a denial of\n service. (CVE-2024-0408)\n \n Olivier Fourdan discovered that the X.Org X Server incorrectly handled\n the curser code when used with SELinux. An attacker could use this issue to\n cause the X Server to crash, leading to a denial of service.\n (CVE-2024-0409)\n \n Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled\n memory when processing the XISendDeviceHierarchyEvent API. An attacker\n could possibly use this issue to cause the X Server to crash, or execute\n arbitrary code. (CVE-2024-21885)\n \n Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled\n devices being disabled. An attacker could possibly use this issue to cause\n the X Server to crash, or execute arbitrary code. (CVE-2024-21886)","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2024-01-30T12:50:20Z","modified":"2026-04-22T10:43:53Z","fixes":[{"ecosystem":"Ubuntu:20.04:LTS","package":"xorg-server","fixed_in":["2:1.20.13-1ubuntu1~20.04.15"],"sources":["osv"]},{"ecosystem":"Ubuntu:22.04:LTS","package":"xorg-server","fixed_in":["2:21.1.4-2ubuntu1.7~22.04.8"],"sources":["osv"]},{"ecosystem":"Ubuntu:22.04:LTS","package":"xwayland","fixed_in":["2:22.1.1-1ubuntu0.11"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"xorg-server","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:1.20.13-1ubuntu1~20.04.15"}]}],"versions":["2:1.20.5+git20191008-0ubuntu1","2:1.20.6-1ubuntu1","2:1.20.7-2ubuntu1","2:1.20.7-2ubuntu2","2:1.20.8-2ubuntu2","2:1.20.8-2ubuntu2.1","2:1.20.8-2ubuntu2.2","2:1.20.8-2ubuntu2.3","2:1.20.8-2ubuntu2.4","2:1.20.8-2ubuntu2.6","2:1.20.9-2ubuntu1.1~20.04.1","2:1.20.9-2ubuntu1.2~20.04.1","2:1.20.9-2ubuntu1.2~20.04.2","2:1.20.11-1ubuntu1~20.04.2","2:1.20.13-1ubuntu1~20.04.2","2:1.20.13-1ubuntu1~20.04.3","2:1.20.13-1ubuntu1~20.04.4","2:1.20.13-1ubuntu1~20.04.5","2:1.20.13-1ubuntu1~20.04.6","2:1.20.13-1ubuntu1~20.04.8","2:1.20.13-1ubuntu1~20.04.9","2:1.20.13-1ubuntu1~20.04.12","2:1.20.13-1ubuntu1~20.04.14"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"xorg-server","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:21.1.4-2ubuntu1.7~22.04.8"}]}],"versions":["2:1.20.13-1ubuntu1","2:1.20.13-1ubuntu2","2:1.20.14-1ubuntu1","2:21.1.3-2ubuntu2","2:21.1.3-2ubuntu2.1","2:21.1.3-2ubuntu2.2","2:21.1.3-2ubuntu2.3","2:21.1.3-2ubuntu2.4","2:21.1.3-2ubuntu2.5","2:21.1.3-2ubuntu2.6","2:21.1.3-2ubuntu2.7","2:21.1.3-2ubuntu2.8","2:21.1.3-2ubuntu2.9","2:21.1.4-2ubuntu1.7~22.04.1","2:21.1.4-2ubuntu1.7~22.04.2","2:21.1.4-2ubuntu1.7~22.04.5","2:21.1.4-2ubuntu1.7~22.04.7"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"xwayland","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:22.1.1-1ubuntu0.11"}]}],"versions":["2:21.1.2-0ubuntu1","2:21.1.3-1","2:21.1.3-1ubuntu1","2:21.1.4-1","2:22.1.0-1","2:22.1.1-1","2:22.1.1-1ubuntu0.1","2:22.1.1-1ubuntu0.2","2:22.1.1-1ubuntu0.3","2:22.1.1-1ubuntu0.4","2:22.1.1-1ubuntu0.5","2:22.1.1-1ubuntu0.6","2:22.1.1-1ubuntu0.7","2:22.1.1-1ubuntu0.9","2:22.1.1-1ubuntu0.10"]}],"references":[{"url":"https://ubuntu.com/security/notices/USN-6587-3","tags":["advisory"]},{"url":"https://launchpad.net/bugs/2051536","tags":["report"]}],"sources":{"osv":[{"id":"USN-6587-3","title":"xorg-server, xwayland regression","description":"USN-6587-1 fixed vulnerabilities in X.Org X Server. The fix was incomplete\nresulting in a possible regression. This update fixes the problem.\n\nWe apologize for the inconvenience.\n\nOriginal advisory details:\n\n Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled\n memory when processing the DeviceFocusEvent and ProcXIQueryPointer APIs. An\n attacker could possibly use this issue to cause the X Server to crash,\n obtain sensitive information, or execute arbitrary code. (CVE-2023-6816)\n \n Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled\n reattaching to a different master device. An attacker could use this issue\n to cause the X Server to crash, leading to a denial of service, or possibly\n execute arbitrary code. (CVE-2024-0229)\n \n Olivier Fourdan and Donn Seeley discovered that the X.Org X Server\n incorrectly labeled GLX PBuffers when used with SELinux. An attacker could\n use this issue to cause the X Server to crash, leading to a denial of\n service. (CVE-2024-0408)\n \n Olivier Fourdan discovered that the X.Org X Server incorrectly handled\n the curser code when used with SELinux. An attacker could use this issue to\n cause the X Server to crash, leading to a denial of service.\n (CVE-2024-0409)\n \n Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled\n memory when processing the XISendDeviceHierarchyEvent API. An attacker\n could possibly use this issue to cause the X Server to crash, or execute\n arbitrary code. (CVE-2024-21885)\n \n Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled\n devices being disabled. An attacker could possibly use this issue to cause\n the X Server to crash, or execute arbitrary code. (CVE-2024-21886)\n","status":"published","published":"2024-01-30T12:50:20Z","modified":"2026-04-22T10:43:53.784131Z","updated_at":"2026-11-02T16:58:17.305935Z"}]}}