{"id":"CVE-2022-49334","summary":"mm/huge_memory: Fix xarray node memory leak","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nmm/huge_memory: Fix xarray node memory leak\n\nIf xas_split_alloc() fails to allocate the necessary nodes to complete the\nxarray entry split, it sets the xa_state to -ENOMEM, which xas_nomem()\nthen interprets as \"Please allocate more memory\", not as \"Please free\nany unnecessary memory\" (which was the intended outcome).  It's confusing\nto use xas_nomem() to free memory in this context, so call xas_destroy()\ninstead.","modified":"2026-03-20T12:22:21.231260Z","published":"2025-02-26T02:10:52.678Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49334.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/69a37a8ba1b408a1c7616494aa7018e4b3844cbe"},{"type":"WEB","url":"https://git.kernel.org/stable/c/95c8181b4947e000f3b9b8e5918d899fce77b93d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c0c84962e297927ba57fd6ddc2bb000c9d149655"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49334.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-49334"},{"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":"6b24ca4a1a8d4ee3221d6d44ddbb99f542e4bda3"},{"fixed":"c0c84962e297927ba57fd6ddc2bb000c9d149655"},{"fixed":"95c8181b4947e000f3b9b8e5918d899fce77b93d"},{"fixed":"69a37a8ba1b408a1c7616494aa7018e4b3844cbe"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-49334.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}