{"id":"UVI-2021-1002044","summary":"userfaultfd: fix a race between writeprotect and exit_mmap()","details":"userfaultfd: fix a race between writeprotect and exit_mmap()\n\nThis is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven.\nThis ID is fixed in Linux Kernel version v5.10.76 by commit 3cda4bfffd4f755645577aaa9e96a606657b4525, it was introduced in version v5.7 by commit 63b2d4174c4ad1f40b48d7138e71bcb564c1fe03. For more details please see the references link.","modified":"2025-02-13T01:59:13.339869Z","published":"2021-11-14T15:17:20.500151Z","withdrawn":"2025-02-13T01:59:13.339869Z","affected":[{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/","events":[{"introduced":"63b2d4174c4ad1f40b48d7138e71bcb564c1fe03"},{"limit":"3cda4bfffd4f755645577aaa9e96a606657b4525"}]}],"versions":["v5.10","v5.10-rc1","v5.10-rc2","v5.10-rc3","v5.10-rc4","v5.10-rc5","v5.10-rc6","v5.10-rc7","v5.10.1","v5.10.10","v5.10.11","v5.10.12","v5.10.13","v5.10.14","v5.10.15","v5.10.16","v5.10.17","v5.10.18","v5.10.19","v5.10.2","v5.10.20","v5.10.21","v5.10.22","v5.10.23","v5.10.24","v5.10.25","v5.10.26","v5.10.27","v5.10.28","v5.10.29","v5.10.3","v5.10.30","v5.10.31","v5.10.32","v5.10.33","v5.10.34","v5.10.35","v5.10.36","v5.10.37","v5.10.38","v5.10.39","v5.10.4","v5.10.40","v5.10.41","v5.10.42","v5.10.43","v5.10.44","v5.10.45","v5.10.46","v5.10.47","v5.10.48","v5.10.49","v5.10.5","v5.10.50","v5.10.51","v5.10.52","v5.10.53","v5.10.54","v5.10.55","v5.10.56","v5.10.57","v5.10.58","v5.10.59","v5.10.6","v5.10.60","v5.10.61","v5.10.62","v5.10.63","v5.10.64","v5.10.65","v5.10.66","v5.10.67","v5.10.68","v5.10.69","v5.10.7","v5.10.70","v5.10.71","v5.10.72","v5.10.73","v5.10.74","v5.10.75","v5.10.8","v5.10.9","v5.7","v5.7-rc1","v5.7-rc2","v5.7-rc3","v5.7-rc4","v5.7-rc5","v5.7-rc6","v5.7-rc7","v5.8","v5.8-rc1","v5.8-rc2","v5.8-rc3","v5.8-rc4","v5.8-rc5","v5.8-rc6","v5.8-rc7","v5.9","v5.9-rc1","v5.9-rc2","v5.9-rc3","v5.9-rc4","v5.9-rc5","v5.9-rc6","v5.9-rc7","v5.9-rc8"],"database_specific":{"source":"https://github.com/cloudsecurityalliance/gsd-database/blob/main/2021/1002xxx/UVI-2021-1002044.json"}}],"schema_version":"1.7.3"}