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CVE PROGRAM SOURCE RECORD5.5 Medium

CVE-2022-49862

tipc: fix the msg->req tlv len check in tipc_nl_compat_name_table_dump_header

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Status
Published
Published
Updated
Assigning organization
Linux

Description

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 products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • 4c559fb7e111077b56f62ccf833a52d8169cde19 to < 082707d3df191bf5bb8801d43e4ce3dea39ca173affected
  • 2aae1723dea1235ffef183daf0694805297424f6 to < a0ead1d648df9c456baec832b494513ef405949aaffected
  • 2d5fc1d492d194aa2986c5a9d8a48a60e9143a72 to < 55a253a6753a603e80b95932ca971ba514aa6ce7affected
  • 974cb0e3e7c963ced06c4e32c5b2884173fa5e01 to < 36769b9477491a7af6635863bd950309c1e1b96caffected
  • 974cb0e3e7c963ced06c4e32c5b2884173fa5e01 to < f31dd158580940938f77514b87337a777520185aaffected
  • 974cb0e3e7c963ced06c4e32c5b2884173fa5e01 to < 301caa06091af4d5cf056ac8249cbda4e6029c6aaffected
  • 974cb0e3e7c963ced06c4e32c5b2884173fa5e01 to < 6cee2c60bd168279852ac7dbe54c2b70d1028644affected
  • 974cb0e3e7c963ced06c4e32c5b2884173fa5e01 to < 1c075b192fe41030457cd4a5f7dea730412bca40affected
  • c25352f9ad5dffb4de95069e67891e2aa2e99e50affected
  • 5486e8d46560ca2b4d86cbd7d3a66d9913b2ac65affected
  • 4.9.152 to < 4.9.334affected
  • 4.14.95 to < 4.14.300affected
  • 4.19.17 to < 4.19.267affected
  • 4.4.172 to < 4.5affected
  • 4.20.4 to < 4.21affected

Linux Linux

Default version status: affected

  • 5.0affected
  • 0 to < 5.0unaffected
  • 4.9.334 to ≤ 4.9.*unaffected
  • 4.14.300 to ≤ 4.14.*unaffected
  • 4.19.267 to ≤ 4.19.*unaffected
  • 5.4.225 to ≤ 5.4.*unaffected
  • 5.10.155 to ≤ 5.10.*unaffected
  • 5.15.79 to ≤ 5.15.*unaffected
  • 6.0.9 to ≤ 6.0.*unaffected
  • 6.1 to ≤ *unaffected

References