CVE-2026-89925

Description

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: Fix memory leak in guest debug handling bp_data is freed only for the error case by kfree(bp_data). Every successful KVM_SET_GUEST_DEBUG will leak bp_data.

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EPSS — Exploit Prediction

0.0022

Probability of exploitation

0.12%

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/121ea1de927c8b9bfdf53c31cad27b86d5de0293 https://git.kernel.org/stable/c/39e7cebb889839b5762c9ad22e2d715b5883b288 https://git.kernel.org/stable/c/44bf3792c10f4bb3de507391f1837e020d92eaa2 https://git.kernel.org/stable/c/581be9f6085834188cef1ad2f07babf3b421e409 https://git.kernel.org/stable/c/58b1b729a9f90c80b508fc3e2174cbc0ee50859e https://git.kernel.org/stable/c/5940418e4232a2ff1d30ba12e0d213dbf48f0a83 https://git.kernel.org/stable/c/9071f75cbde3bf46119cb28e92cfbef830c4bf97 https://git.kernel.org/stable/c/fc2034c431adcbaabf5f8a01912358f07355349e

Frequently Asked Questions

What is CVE-2026-89925? +

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: Fix memory leak in guest debug handling bp_data is freed only for the error case by kfree(bp_data). Every successful KVM_SET_GUEST_DEBUG will leak bp_data.

How do I check if I'm vulnerable to CVE-2026-89925? +

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.