What’s Vulnerable › Vulnerabilities

CVE-2026-98649: KVM: s390: Fix race in _destroy_pages_crste()

• Severity: unknown
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-18 · updated 2026-10-19

Description

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: Fix race in _destroy_pages_crste() Use READ_ONCE() in _destroy_pages_crste() to read the crste, avoid dereferencing the pointer multiple times.

Affected products

• Linux kernel: 7.0 — fixed in 7.3

How to fix

Upgrade to a fixed version: Linux kernel 7.3. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/4ca00a9154f998116fba9a32cce5bd938d228065
• https://git.kernel.org/stable/c/90bd832b2bc367991d424d847003ce345b454ffc

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