CVE-2023-53464
Published: October 2, 2025Last modified: October 2, 2025
Description
In the Linux kernel, the following vulnerability has been resolved: scsi: iscsi_tcp: Check that sock is valid before iscsi_set_param() The validity of sock should be checked before assignment to avoid incorrect values. Commit 57569c37f0ad ("scsi: iscsi: iscsi_tcp: Fix null-ptr-deref while calling getpeername()") introduced this change which may lead to inconsistent values of tcp_sw_conn->sendpage and conn->datadgst_en. Fix the issue by moving the position of the assignment.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Not affected (6.1.33-r0) |
| 25 LTS | linux-lts | Not affected (6.6.89-r0) | |
| Stream | linux-lts | Fixed (6.6.58-r0) |
References
- https://git.kernel.org/stable/c/48b19b79cfa37b1e50da3b5a8af529f994c08901
- https://git.kernel.org/stable/c/499757ad3332e2527254f9ab68dec1da087b1d96
- https://git.kernel.org/stable/c/5e5c5f472972c4bc9430adc08b36763a0fa5b9f7
- https://git.kernel.org/stable/c/6e06a68fbbfcd8576eee8f7139fa2b13c9b72e91
- https://git.kernel.org/stable/c/b287e21e73ec23f3788fbe40037c42dbe6e9a9a9