{"id":"PUB-A-184622243","details":"In tipc_nl_retrieve_key of node.c, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.","aliases":["A-184622243","CVE-2021-29646"],"modified":"2026-03-11T06:34:14.529530Z","published":"2021-10-01T00:00:00Z","references":[{"type":"ADVISORY","url":"https://source.android.com/security/bulletin/2021-10-01"},{"type":"FIX","url":"https://android.googlesource.com/kernel/common/+/0217ed2848e8538bcf9172d97ed2eeb4a26041bb"}],"affected":[{"package":{"name":":linux_kernel:","ecosystem":"Android"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":":0"},{"fixed":":2021-10-05"}]}],"versions":["Kernel"],"ecosystem_specific":{"types":["ID"],"vanir_signatures":[{"digest":{"threshold":0.9,"line_hashes":["244360639895632580909343709300829339969","242032057759838173138550976549810924410","317199474049074642163883053988954471417","41763571262795070774812886996638616093","231130384068037784494895237328334995090","36695028512439604191584538855034197930","310996492068062884972804771397695067944","257203694817447592363486787863648267766","4292105138964069920915579457942272750","298167501261298054191806569836995761532","8046602427858362906348346357479045798"]},"deprecated":false,"signature_type":"Line","source":"https://android.googlesource.com/kernel/common/+/0217ed2848e8538bcf9172d97ed2eeb4a26041bb","id":"PUB-A-184622243-47421187","signature_version":"v1","target":{"file":"net/tipc/node.c"}},{"digest":{"length":256,"function_hash":"189748262603555296906343239140324548668"},"deprecated":false,"signature_type":"Function","source":"https://android.googlesource.com/kernel/common/+/0217ed2848e8538bcf9172d97ed2eeb4a26041bb","id":"PUB-A-184622243-48f4e4a5","signature_version":"v1","target":{"function":"tipc_nl_retrieve_key","file":"net/tipc/node.c"}}],"fixes":["https://android.googlesource.com/kernel/common/+/0217ed2848e8538bcf9172d97ed2eeb4a26041bb"],"spl":"2021-10-05","severity":"Moderate"},"database_specific":{"source":"https://storage.googleapis.com/android-osv-test/PUB-A-184622243.json"}}],"schema_version":"1.7.5"}