CVE-2023-52442
critical · 9.1In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate session id and tree id in compound request `smb2_get_msg()` in smb2_get_ksmbd_tcon() and smb2_check_user_session() will always return the first request smb2 header in a compound request. if `SMB2_TREE_CONNECT_HE` is the first command in compound request, will return 0, i.e. The tree id check is skipped. This patch use ksmbd_req_buf_next() to get current command in compound.
9.1
CVSS
29.6%
EPSS (exploit prob.)
98th
EPSS percentile
2024-02-21
Published
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| linux | linux_kernel | >= 5.15, < 5.15.145 |
| linux | linux_kernel | >= 5.16, < 6.1.53 |
| linux | linux_kernel | >= 6.2, < 6.4.16 |
| linux | linux_kernel | 6.5 |
| linux | linux_kernel | 6.5 |
| linux | linux_kernel | 6.5 |
Check a specific version with /api/v1/cve/match.
References
- https://git.kernel.org/stable/c/017d85c94f02090a87f4a473dbe0d6ee0da72693
- https://git.kernel.org/stable/c/3df0411e132ee74a87aa13142dfd2b190275332e
- https://git.kernel.org/stable/c/4c2b350b2e269e3fd17bbfa42de1b42775b777ac
- https://git.kernel.org/stable/c/becb5191d1d5fdfca0198a2e37457bbbf4fe266f
- https://git.kernel.org/stable/c/017d85c94f02090a87f4a473dbe0d6ee0da72693
- https://git.kernel.org/stable/c/3df0411e132ee74a87aa13142dfd2b190275332e
- https://git.kernel.org/stable/c/4c2b350b2e269e3fd17bbfa42de1b42775b777ac
- https://git.kernel.org/stable/c/becb5191d1d5fdfca0198a2e37457bbbf4fe266f
Query this programmatically:
curl https://evil-db.io/api/v1/cve/CVE-2023-52442