Description (CNA)
In the Linux kernel, the following vulnerability has been resolved: tipc: fix the msg->req 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]
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected 4c559fb7e111077b56f62ccf833a52d8169cde19 before 082707d3df191bf5bb8801d43e4ce3dea39ca173; affected 2aae1723dea1235ffef183daf0694805297424f6 before a0ead1d648df9c456baec832b494513ef405949a; affected 2d5fc1d492d194aa2986c5a9d8a48a60e9143a72 before 55a253a6753a603e80b95932ca971ba514aa6ce7; affected 974cb0e3e7c963ced06c4e32c5b2884173fa5e01 before 36769b9477491a7af6635863bd950309c1e1b96c; affected 974cb0e3e7c963ced06c4e32c5b2884173fa5e01 before f31dd158580940938f77514b87337a777520185a; affected 974cb0e3e7c963ced06c4e32c5b2884173fa5e01 before 301caa06091af4d5cf056ac8249cbda4e6029c6a; affected 974cb0e3e7c963ced06c4e32c5b2884173fa5e01 before 6cee2c60bd168279852ac7dbe54c2b70d1028644; affected 974cb0e3e7c963ced06c4e32c5b2884173fa5e01 before 1c075b192fe41030457cd4a5f7dea730412bca40; affected c25352f9ad5dffb4de95069e67891e2aa2e99e50; affected 5486e8d46560ca2b4d86cbd7d3a66d9913b2ac65; affected 4.9.152 before 4.9.334; affected 4.14.95 before 4.14.300; affected 4.19.17 before 4.19.267; affected 4.4.172 before 4.5; affected 4.20.4 before 4.21 |
| Linux / Linux | affected 5.0; unaffected 0 before 5.0; unaffected 4.9.334 through 4.9.*; unaffected 4.14.300 through 4.14.*; unaffected 4.19.267 through 4.19.*; unaffected 5.4.225 through 5.4.*; unaffected 5.10.155 through 5.10.*; unaffected 5.15.79 through 5.15.*; unaffected 6.0.9 through 6.0.*; unaffected 6.1 through * |
CWE
No CWE identifiers supplied.
References
- https://git.kernel.org/stable/c/082707d3df191bf5bb8801d43e4ce3dea39ca173
- https://git.kernel.org/stable/c/a0ead1d648df9c456baec832b494513ef405949a
- https://git.kernel.org/stable/c/55a253a6753a603e80b95932ca971ba514aa6ce7
- https://git.kernel.org/stable/c/36769b9477491a7af6635863bd950309c1e1b96c
- https://git.kernel.org/stable/c/f31dd158580940938f77514b87337a777520185a
- https://git.kernel.org/stable/c/301caa06091af4d5cf056ac8249cbda4e6029c6a
- https://git.kernel.org/stable/c/6cee2c60bd168279852ac7dbe54c2b70d1028644
- https://git.kernel.org/stable/c/1c075b192fe41030457cd4a5f7dea730412bca40
ADP enrichment
No English description supplied.
No references supplied.