CVE-2026-90166
N/A
N/A
Summary
In the Linux kernel, the following vulnerability has been resolved:
smb/server: fix null-ptr-deref in ksmbd_ipc_tree_connect_request()
See the procedure below:
ksmbd_tree_conn_connect
ksmbd_share_config_get
share->name = kstrdup() // fail
if (!test_share_config_flag(share, KSMBD_SHARE_FLAG_PIPE)) // false
// do not check share->name
ksmbd_ipc_tree_connect_request
strlen(share->name) // null-ptr-deref
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 < 4eb74a34ea401abfbbd5991076715dae3de938df | affected |
| Linux | Linux | e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 < 8461f27902727ad434375caf13a0100aafc0340f | affected |
| Linux | Linux | e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 < 7065d3648b1a48d2c49da3d6364dd3c4d503b10c | affected |
| Linux | Linux | e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 < d2ccf905f47d2344270749f4dfa905afcd3edeb0 | affected |
| Linux | Linux | 5.15 | affected |
| Linux | Linux | 0 < 5.15 | unaffected |
| Linux | Linux | 6.12.110 <= 6.12.* | unaffected |
| Linux | Linux | 6.18.52 <= 6.18.* | unaffected |
| Linux | Linux | 7.2.6 <= 7.2.* | unaffected |
| Linux | Linux | 7.3-rc1 <= * | unaffected |
Weaknesses
References
- https://git.kernel.org/stable/c/4eb74a34ea401abfbbd5991076715dae3de938df
- https://git.kernel.org/stable/c/8461f27902727ad434375caf13a0100aafc0340f
- https://git.kernel.org/stable/c/7065d3648b1a48d2c49da3d6364dd3c4d503b10c
- https://git.kernel.org/stable/c/d2ccf905f47d2344270749f4dfa905afcd3edeb0
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