CVE-2025-23155

net: stmmac: Fix accessing freed irq affinity_hint

Description

In the Linux kernel, the following vulnerability has been resolved: net: stmmac: Fix accessing freed irq affinity_hint The cpumask should not be a local variable, since its pointer is saved to irq_desc and may be accessed from procfs. To fix it, use the persistent mask cpumask_of(cpu#).

N/A

CVSS

Severity:

EPSS 0.02%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/442312c2a90d60c7a5197246583fa91d9e579985
https://git.kernel.org/stable/c/e148266e104fce396ad624079a6812ac3a9982ef
https://git.kernel.org/stable/c/9e51a6a44e2c4de780a26e8fe110d708e806a8cd
https://git.kernel.org/stable/c/c60d101a226f18e9a8f01bb4c6ca2b47dfcb15ef

Frequently Asked Questions

What is the severity of CVE-2025-23155?: CVE-2025-23155 has not yet been assigned a CVSS score.
How to fix CVE-2025-23155?: To fix CVE-2025-23155, 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-2025-23155 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2025-23155 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-2025-23155?: CVE-2025-23155 affects Linux Linux, Linux Linux.

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