{"id":"CVE-2026-43224","summary":"io_uring/zcrx: fix sgtable leak on mapping failures","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nio_uring/zcrx: fix sgtable leak on mapping failures\n\nIn an unlikely case when io_populate_area_dma() fails, which could only\nhappen on a PAGE_POOL_32BIT_ARCH_WITH_64BIT_DMA machine,\nio_zcrx_map_area() will have an initialised and not freed table. It was\nsupposed to be cleaned up in the error path, but !is_mapped prevents\nthat.","modified":"2026-08-12T03:51:45.104502112Z","published":"2026-05-06T11:28:23.620Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43224.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/a983aae397767e9da931128ff2b5bf9066513ce3"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ef075c1464ac9047e2cf7d23cb020bfd0b8e4b60"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f1ae403324311e143ef20e53cf9a5f01e312f7c9"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43224.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43224"},{"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":"439a98b972fbb1991819b5367f482cd4161ba39c"},{"fixed":"f1ae403324311e143ef20e53cf9a5f01e312f7c9"},{"fixed":"ef075c1464ac9047e2cf7d23cb020bfd0b8e4b60"},{"fixed":"a983aae397767e9da931128ff2b5bf9066513ce3"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-43224.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.18.0"},{"fixed":"6.18.16"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"6.19.6"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-43224.json"}}],"schema_version":"1.9.0"}