CVE-2023-53464
MEDIUM severity · CVSS 5.5 · CWE-476
5.5CVSS MEDIUM
Summary
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.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/48b19b79cfa37b1e50da3b5a8af529f994c08901 ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/48b19b79cfa37b1e50da3b5a8af529f994c08901Patch
- https://git.kernel.org/stable/c/499757ad3332e2527254f9ab68dec1da087b1d96Patch
- https://git.kernel.org/stable/c/5e5c5f472972c4bc9430adc08b36763a0fa5b9f7Patch
- https://git.kernel.org/stable/c/6e06a68fbbfcd8576eee8f7139fa2b13c9b72e91Patch
- https://git.kernel.org/stable/c/b287e21e73ec23f3788fbe40037c42dbe6e9a9a9Patch