cbcvebase.
CVE-2022-49862
published 2025-05-01

CVE-2022-49862: 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…

PriorityP418medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.19%
8.8th percentile
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

30 ranges· showing 25
VendorProductVersion rangeFixed in
debianlinux< linux 6.0.10-1 (bookworm)linux 6.0.10-1 (bookworm)
linuxlinux——
linuxlinux——
linuxlinux——
linuxlinux>= 2aae1723dea1235ffef183daf0694805297424f6 < a0ead1d648df9c456baec832b494513ef405949aa0ead1d648df9c456baec832b494513ef405949a
linuxlinux>= 2d5fc1d492d194aa2986c5a9d8a48a60e9143a72 < 55a253a6753a603e80b95932ca971ba514aa6ce755a253a6753a603e80b95932ca971ba514aa6ce7
linuxlinux>= 4.14.95 < 4.14.3004.14.300
linuxlinux>= 4.19.17 < 4.19.2674.19.267
linuxlinux>= 4.20.4 < 4.214.21
linuxlinux>= 4.4.172 < 4.54.5
linuxlinux>= 4.9.152 < 4.9.3344.9.334
linuxlinux>= 4c559fb7e111077b56f62ccf833a52d8169cde19 < 082707d3df191bf5bb8801d43e4ce3dea39ca173082707d3df191bf5bb8801d43e4ce3dea39ca173
linuxlinux>= 974cb0e3e7c963ced06c4e32c5b2884173fa5e01 < 36769b9477491a7af6635863bd950309c1e1b96c36769b9477491a7af6635863bd950309c1e1b96c
linuxlinux>= 974cb0e3e7c963ced06c4e32c5b2884173fa5e01 < f31dd158580940938f77514b87337a777520185af31dd158580940938f77514b87337a777520185a
linuxlinux>= 974cb0e3e7c963ced06c4e32c5b2884173fa5e01 < 301caa06091af4d5cf056ac8249cbda4e6029c6a301caa06091af4d5cf056ac8249cbda4e6029c6a
linuxlinux>= 974cb0e3e7c963ced06c4e32c5b2884173fa5e01 < 6cee2c60bd168279852ac7dbe54c2b70d10286446cee2c60bd168279852ac7dbe54c2b70d1028644
linuxlinux>= 974cb0e3e7c963ced06c4e32c5b2884173fa5e01 < 1c075b192fe41030457cd4a5f7dea730412bca401c075b192fe41030457cd4a5f7dea730412bca40
linuxlinux_kernel——
linuxlinux_kernel>= 0 < 5.10.158-15.10.158-1
linuxlinux_kernel>= 0 < 6.0.10-16.0.10-1
linuxlinux_kernel>= 0 < 6.0.10-16.0.10-1
linuxlinux_kernel>= 0 < 6.0.10-16.0.10-1
linuxlinux_kernel>= 4.14.95 < 4.14.3004.14.300
linuxlinux_kernel>= 4.19.17 < 4.19.2674.19.267
linuxlinux_kernel>= 4.20.4 < 5.4.2255.4.225

CVSS provenance

nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
osv5.5MEDIUM
vendor_debian5.5MEDIUM
vendor_redhat5.5MEDIUM
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