CVE-2022-49862
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2022
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
tipc: fix the msg->req tlv len check in tipc_nl_compat_name_table_dump_header
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]
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 4c559fb7e111077b56f62ccf833a52d8169cde19 | affected | git | 082707d3df191bf5bb8801d43e4ce3dea39ca173 | Unavailable | None listed |
| 2aae1723dea1235ffef183daf0694805297424f6 | affected | git | a0ead1d648df9c456baec832b494513ef405949a | Unavailable | None listed |
| 2d5fc1d492d194aa2986c5a9d8a48a60e9143a72 | affected | git | 55a253a6753a603e80b95932ca971ba514aa6ce7 | Unavailable | None listed |
| 974cb0e3e7c963ced06c4e32c5b2884173fa5e01 | affected | git | 36769b9477491a7af6635863bd950309c1e1b96c | Unavailable | None listed |
| 974cb0e3e7c963ced06c4e32c5b2884173fa5e01 | affected | git | f31dd158580940938f77514b87337a777520185a | Unavailable | None listed |
| 974cb0e3e7c963ced06c4e32c5b2884173fa5e01 | affected | git | 301caa06091af4d5cf056ac8249cbda4e6029c6a | Unavailable | None listed |
| 974cb0e3e7c963ced06c4e32c5b2884173fa5e01 | affected | git | 6cee2c60bd168279852ac7dbe54c2b70d1028644 | Unavailable | None listed |
| 974cb0e3e7c963ced06c4e32c5b2884173fa5e01 | affected | git | 1c075b192fe41030457cd4a5f7dea730412bca40 | Unavailable | None listed |
| c25352f9ad5dffb4de95069e67891e2aa2e99e50 | affected | git | Unavailable | Unavailable | None listed |
| 5486e8d46560ca2b4d86cbd7d3a66d9913b2ac65 | affected | git | Unavailable | Unavailable | None listed |
| 4.9.152 | affected | semver | 4.9.334 | Unavailable | None listed |
| 4.14.95 | affected | semver | 4.14.300 | Unavailable | None listed |
| 4.19.17 | affected | semver | 4.19.267 | Unavailable | None listed |
| 4.4.172 | affected | semver | 4.5 | Unavailable | None listed |
| 4.20.4 | affected | semver | 4.21 | Unavailable | None listed |
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
affected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 5.0 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 5.0 | Unavailable | None listed |
| 4.9.334 | unaffected | semver | Unavailable | 4.9.* | None listed |
| 4.14.300 | unaffected | semver | Unavailable | 4.14.* | None listed |
| 4.19.267 | unaffected | semver | Unavailable | 4.19.* | None listed |
| 5.4.225 | unaffected | semver | Unavailable | 5.4.* | None listed |
| 5.10.155 | unaffected | semver | Unavailable | 5.10.* | None listed |
| 5.15.79 | unaffected | semver | Unavailable | 5.15.* | None listed |
| 6.0.9 | unaffected | semver | Unavailable | 6.0.* | None listed |
| 6.1 | unaffected | original_commit_for_fix | Unavailable | * | None listed |