CVE-2023-53464
- Published: 2025-10-01T12:15:48.267
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.
Related CVE by CWE
No related CWE found.
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How to fix CVE-2023-53464
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. […]
Exploit Difficulty: HARD
⏱️ Time to exploit: > 4 hours
🛠️ Required skills: Advanced security expertise
💰 Public exploits: Rare or not public
How to Fix:
- Check if you're running the affected product
- Update to the latest patched version
- If patching is not immediately possible: restrict network exposure, apply least-privilege access
- Test the fix in a staging environment first
- Review logs for signs of exploitation
- Monitor for IOCs (Indicators of Compromise)
- Enable automatic security updates
- Set up vulnerability monitoring
- Review and harden security configurations
Exploit Difficulty Assessment
Vulnerability Timeline
CVE details first published to NVD database
Added to this CVE tracking system
Detection Rules & IOCs
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No vendor/product data available.