{"id":"ASB-A-246465319", "published":"2022-12-01T00:00:00Z", "modified":"2026-05-01T15:24:27.653932157Z", "aliases":["CVE-2022-20498", "A-246465319"], "details":"In fdt_path_offset_namelen of fdt_ro.c, there is a possible out of bounds read due to an incorrect bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.", "affected":[{"package":{"name":"platform/external/dtc", "ecosystem":"Android"}, "ranges":[{"type":"ECOSYSTEM", "events":[{"introduced":"10:0"}, {"fixed":"10:2022-12-01"}]}], "versions":["10"], "ecosystem_specific":{"fixes":["https://android.googlesource.com/platform/external/dtc/+/d10c84c4bc78e8ebd8c6ebf70126ad3cb0ba1c46"], "severity":"Critical", "spl":"2022-12-01", "types":["ID"], "vanir_signatures":[{"deprecated":false, "digest":{"line_hashes":["313892047556989837974905003400441723125", "280888915742760431162838500447709826822", "16669983411762510838423516276626381269"], "threshold":0.9}, "id":"ASB-A-246465319-f0f9363c", "signature_type":"Line", "signature_version":"v1", "source":"https://android.googlesource.com/platform/external/dtc/+/d10c84c4bc78e8ebd8c6ebf70126ad3cb0ba1c46", "target":{"file":"libfdt/fdt_ro.c"}}, {"deprecated":false, "digest":{"function_hash":"221827069630181021746652605547895732436", "length":702}, "id":"ASB-A-246465319-fa1dc448", "signature_type":"Function", "signature_version":"v1", "source":"https://android.googlesource.com/platform/external/dtc/+/d10c84c4bc78e8ebd8c6ebf70126ad3cb0ba1c46", "target":{"file":"libfdt/fdt_ro.c", "function":"fdt_path_offset_namelen"}}]}}, {"package":{"name":"platform/external/dtc", "ecosystem":"Android"}, "ranges":[{"type":"ECOSYSTEM", "events":[{"introduced":"11:0"}, {"fixed":"11:2022-12-01"}]}], "versions":["11"], "ecosystem_specific":{"fixes":["https://android.googlesource.com/platform/external/dtc/+/e0440b09079afacb3101f5140560f719d438dadc"], "severity":"Critical", "spl":"2022-12-01", "types":["ID"]}}, {"package":{"name":"platform/external/dtc", "ecosystem":"Android"}, "ranges":[{"type":"ECOSYSTEM", "events":[{"introduced":"12:0"}, {"fixed":"12:2022-12-01"}]}], "versions":["12"], "ecosystem_specific":{"fixes":["https://android.googlesource.com/platform/external/dtc/+/a6ac6d916df145366bcb34f5507d5da213b2ebaf"], "severity":"Critical", "spl":"2022-12-01", "types":["ID"], "vanir_signatures":[{"deprecated":false, "digest":{"function_hash":"221827069630181021746652605547895732436", "length":702}, "id":"ASB-A-246465319-a7286fca", "signature_type":"Function", "signature_version":"v1", "source":"https://android.googlesource.com/platform/external/dtc/+/a6ac6d916df145366bcb34f5507d5da213b2ebaf", "target":{"file":"libfdt/fdt_ro.c", "function":"fdt_path_offset_namelen"}}, {"deprecated":false, "digest":{"line_hashes":["281516969829063991719741721143573487947", "139521848752087930508396216630369440300", "140403702278646926293242532004389412178"], "threshold":0.9}, "id":"ASB-A-246465319-da88e7f1", "signature_type":"Line", "signature_version":"v1", "source":"https://android.googlesource.com/platform/external/dtc/+/a6ac6d916df145366bcb34f5507d5da213b2ebaf", "target":{"file":"libfdt/fdt_ro.c"}}]}}, {"package":{"name":"platform/external/dtc", "ecosystem":"Android"}, "ranges":[{"type":"ECOSYSTEM", "events":[{"introduced":"12L:0"}, {"fixed":"12L:2022-12-01"}]}], "versions":["12L"], "ecosystem_specific":{"fixes":["https://android.googlesource.com/platform/external/dtc/+/952da991f42227e29d7257539d042386d3f4fa33"], "severity":"Critical", "spl":"2022-12-01", "types":["ID"]}}, {"package":{"name":"platform/external/dtc", "ecosystem":"Android"}, "ranges":[{"type":"ECOSYSTEM", "events":[{"introduced":"13:0"}, {"fixed":"13:2022-12-01"}]}], "versions":["13"], "ecosystem_specific":{"fixes":["https://android.googlesource.com/platform/external/dtc/+/5b78ca841071fee81479036462e7e048fefacb26"], "severity":"Critical", "spl":"2022-12-01", "types":["ID"]}}], "references":[{"type":"ADVISORY", "url":"https://source.android.com/security/bulletin/2022-12-01"}, {"type":"FIX", "url":"https://android.googlesource.com/platform/external/dtc/+/ae2ece49eeacac7c89456ccc0c11d7a3047878eb"}]}