{"id":"CVE-2022-50263","summary":"vdpasim: fix memory leak when freeing IOTLBs","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nvdpasim: fix memory leak when freeing IOTLBs\n\nAfter commit bda324fd037a (\"vdpasim: control virtqueue support\"),\nvdpasim-\u003eiommu became an array of IOTLB, so we should clean the\nmappings of each free one by one instead of just deleting the ranges\nin the first IOTLB which may leak maps.","modified":"2026-08-12T03:51:48.206847832Z","published":"2025-09-15T14:20:59.436Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50263.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/0b7a04a30eef20e6b24926a45c0ce7906ae85bd6"},{"type":"WEB","url":"https://git.kernel.org/stable/c/16b22e27fba6fd816d0dcb98f42cc71f0836c27e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/54b210c90d2803a9f1c8fd2f0d08e90172e9a06d"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50263.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-50263"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"bda324fd037a6b0d44da5699574ce741ca161bc4"},{"fixed":"54b210c90d2803a9f1c8fd2f0d08e90172e9a06d"},{"fixed":"16b22e27fba6fd816d0dcb98f42cc71f0836c27e"},{"fixed":"0b7a04a30eef20e6b24926a45c0ce7906ae85bd6"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-50263.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.19.0"},{"fixed":"6.0.19"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.1.0"},{"fixed":"6.1.5"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-50263.json"}}],"schema_version":"1.9.0"}