CVE-2026-43473

Description

In the Linux kernel, the following vulnerability has been resolved: scsi: mpi3mr: Add NULL checks when resetting request and reply queues The driver encountered a crash during resource cleanup when the reply and request queues were NULL due to freed memory. This issue occurred when the creation of reply or request queues failed, and the driver freed the memory first, but attempted to mem set the content of the freed memory, leading to a system crash. Add NULL pointer checks for reply and request queues before accessing the reply/request memory during cleanup

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EPSS — Exploit Prediction

0.0001

Probability of exploitation

0.02%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

References

Other References

https://git.kernel.org/stable/c/220d7ca70611a73d50ef8e9edac630ed1ececb7c https://git.kernel.org/stable/c/78d3f201f8b609928eade53cf03a52df5415aaf7 https://git.kernel.org/stable/c/7da755e0d02e9ca035065127e108d1fed8950dc8 https://git.kernel.org/stable/c/7df0296ad4e9253d12c6dbe7f120044dddc95600 https://git.kernel.org/stable/c/e978a36f332ede78eb4de037b517db16265d420d https://git.kernel.org/stable/c/fa96392ebebc8fade2b878acb14cce0f71016503

Frequently Asked Questions

What is CVE-2026-43473? +

In the Linux kernel, the following vulnerability has been resolved: scsi: mpi3mr: Add NULL checks when resetting request and reply queues The driver encountered a crash during resource cleanup when the reply and request queues were NULL due to freed memory. This issue occurred when the creation of reply or request queues failed, and the driver freed the memory first, but attempted to mem set the content of the freed memory, leading to a system crash. Add NULL pointer checks for reply and request queues before accessing the reply/request memory during cleanup

How do I check if I'm vulnerable to CVE-2026-43473? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.