CVE-2023-53470
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-10-01

Last updated on: 2025-10-02

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: ionic: catch failure from devlink_alloc Add a check for NULL on the alloc return. If devlink_alloc() fails and we try to use devlink_priv() on the NULL return, the kernel gets very unhappy and panics. With this fix, the driver load will still fail, but at least it won't panic the kernel.
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Meta Information
Published
2025-10-01
Last Modified
2025-10-02
Generated
2026-05-07
AI Q&A
2025-10-01
EPSS Evaluated
2026-05-05
NVD
CVE-2023-53470
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel From 5.15.160 (inc) to 5.16 (inc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-UNKNOWN
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AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability occurs in the Linux kernel's ionic driver where a failure to check for a NULL return from the function devlink_alloc() can lead to a kernel panic. Specifically, if devlink_alloc() fails and returns NULL, subsequent use of devlink_priv() on this NULL pointer causes the kernel to panic. The fix adds a check for NULL to prevent the kernel from panicking, although the driver load will still fail.


How can this vulnerability impact me? :

If this vulnerability is triggered, it can cause the Linux kernel to panic, leading to a system crash or reboot. This can result in downtime, loss of service, and potential disruption of operations on systems using the affected driver.


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