{"id":"CVE-2022-49815","summary":"erofs: fix missing xas_retry() in fscache mode","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nerofs: fix missing xas_retry() in fscache mode\n\nThe xarray iteration only holds the RCU read lock and thus may encounter\nXA_RETRY_ENTRY if there's process modifying the xarray concurrently.\nThis will cause oops when referring to the invalid entry.\n\nFix this by adding the missing xas_retry(), which will make the\niteration wind back to the root node if XA_RETRY_ENTRY is encountered.","modified":"2026-08-12T03:30:20.438420379Z","published":"2025-05-01T14:09:39.016Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49815.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/37020bbb71d911431e16c2c940b97cf86ae4f2f6"},{"type":"WEB","url":"https://git.kernel.org/stable/c/dbc98fe99e17ed18f2f272d5fe880d844b1c68c3"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49815.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-49815"},{"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":"d435d53228dd039fffecae123b8c138af6f96f99"},{"fixed":"dbc98fe99e17ed18f2f272d5fe880d844b1c68c3"},{"fixed":"37020bbb71d911431e16c2c940b97cf86ae4f2f6"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-49815.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.19.0"},{"fixed":"6.0.10"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-49815.json"}}],"schema_version":"1.9.0"}