CVE-2026-45857
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Null Pointer Dereference in Linux Kernel scsi: csiostor
Publication date: 2026-05-27
Last updated on: 2026-05-27
Assigner: kernel.org
Description
Description
In the Linux kernel, the following vulnerability has been resolved:
scsi: csiostor: Fix dereference of null pointer rn
The error exit path when rn is NULL ends up deferencing the null pointer rn
via the use of the macro CSIO_INC_STATS. Fix this by adding a new error
return path label after the use of the macro to avoid the deference.
CVSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| linux | linux_kernel | * |
| linux_kernel | linux_kernel | * |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-UNKNOWN |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability exists in the Linux kernel's scsi csiostor component. It involves a null pointer dereference caused when the variable 'rn' is NULL. The error exit path incorrectly dereferences this null pointer through the macro CSIO_INC_STATS. The issue was fixed by adding a new error return path to avoid dereferencing the null pointer.
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