{"id":"DEBIAN-CVE-2022-49862","details":"In the Linux kernel, the following vulnerability has been resolved:  tipc: fix the msg-\u003ereq tlv len check in tipc_nl_compat_name_table_dump_header  This is a follow-up for commit 974cb0e3e7c9 (\"tipc: fix uninit-value in tipc_nl_compat_name_table_dump\") where it should have type casted sizeof(..) to int to work when TLV_GET_DATA_LEN() returns a negative value.  syzbot reported a call trace because of it:    BUG: KMSAN: uninit-value in ...    tipc_nl_compat_name_table_dump+0x841/0xea0 net/tipc/netlink_compat.c:934    __tipc_nl_compat_dumpit+0xab2/0x1320 net/tipc/netlink_compat.c:238    tipc_nl_compat_dumpit+0x991/0xb50 net/tipc/netlink_compat.c:321    tipc_nl_compat_recv+0xb6e/0x1640 net/tipc/netlink_compat.c:1324    genl_family_rcv_msg_doit net/netlink/genetlink.c:731 [inline]    genl_family_rcv_msg net/netlink/genetlink.c:775 [inline]    genl_rcv_msg+0x103f/0x1260 net/netlink/genetlink.c:792    netlink_rcv_skb+0x3a5/0x6c0 net/netlink/af_netlink.c:2501    genl_rcv+0x3c/0x50 net/netlink/genetlink.c:803    netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]    netlink_unicast+0xf3b/0x1270 net/netlink/af_netlink.c:1345    netlink_sendmsg+0x1288/0x1440 net/netlink/af_netlink.c:1921    sock_sendmsg_nosec net/socket.c:714 [inline]    sock_sendmsg net/socket.c:734 [inline]","modified":"2026-09-01T16:05:33.542781431Z","published":"2025-05-01T15:16:11.097Z","upstream":["CVE-2022-49862"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2022-49862"}],"affected":[{"package":{"name":"linux","ecosystem":"Debian:12","purl":"pkg:deb/debian/linux?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0.10-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2022-49862.json"}},{"package":{"name":"linux","ecosystem":"Debian:13","purl":"pkg:deb/debian/linux?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0.10-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2022-49862.json"}},{"package":{"name":"linux","ecosystem":"Debian:14","purl":"pkg:deb/debian/linux?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0.10-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2022-49862.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}