CVE-2025-21901

RDMA/bnxt_re: Add sanity checks on rdev validity

Description

In the Linux kernel, the following vulnerability has been resolved: RDMA/bnxt_re: Add sanity checks on rdev validity There is a possibility that ulp_irq_stop and ulp_irq_start callbacks will be called when the device is in detached state. This can cause a crash due to NULL pointer dereference as the rdev is already freed.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.02%
Affected: Linux Linux
Affected: Linux Linux
Published at:
Updated at:

References

Link Tags
https://git.kernel.org/stable/c/aed1bc673907e3df372b317c10ff2f3582f8bf1a patch
https://git.kernel.org/stable/c/8cb0eef46d70a99c88c26a1addb7fd955242e0e6 patch
https://git.kernel.org/stable/c/f0df225d12fcb049429fb5bf5122afe143c2dd15 patch

Frequently Asked Questions

What is the severity of CVE-2025-21901?
CVE-2025-21901 has been scored as a medium severity vulnerability.
How to fix CVE-2025-21901?
To fix CVE-2025-21901, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-21901 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-21901 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-21901?
CVE-2025-21901 affects Linux Linux, Linux Linux.
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