Unrated severityNVD Advisory· Published Oct 18, 2026

CVE-2026-98475

Description

In the Linux kernel, the following vulnerability has been resolved:

s390/cmf: Fix virtual vs physical address confusion

The measurement block address is an absolute address. Define the associated schib_config and schib fields as dma64_t to enable automatic detection of incorrect assignments. Also add the missing virt_to_dma64() translation.

Without this fix, a wrong address will be used by firmware when storing extended format channel measurement data on kernels built with CONFIG_RANDOMIZE_IDENTITY_BASE=y.

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Linux/Kernelllm-fuzzy

Patches

Vulnerability mechanics

References

git.kernel.org/stable/c/748ec2f7f5df9b4fc742546a8bfc8aa5d847353envd
git.kernel.org/stable/c/7f78226eb743b362f52b212d7763801642539d1cnvd
git.kernel.org/stable/c/b11f369be31ea11c746833e4d3ad51dcd6b5fa2bnvd
git.kernel.org/stable/c/f4d04425e66af2ecee9d1a49ae0484436f3c2fd1nvd

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