CVE-2026-89770

Software Component Vulnerability Advisory (CWE-Not-Specified)

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CyberVault Technical Summary

Analyst Synthesis

Security vulnerability CVE-2026-89770 affecting Generic/Unknown Software Component. Evaluated with CVSS Base Score of N/A (UNKNOWN).

Original NVD Description

Source: NIST NVD

In the Linux kernel, the following vulnerability has been resolved: iomap: don't free integrity payload that doesn't exist fs_bio_integrity_alloc might not allocate a bio integrity payload if PI verification is disabled on the block device. Check for that case before calling fs_bio_integrity_free in iomap_bio_read_folio_range_sync to avoid a NULL pointer dereferences. Make the branch cover the PI verification as well - while fs_bio_integrity_verify works without an integrity payload, it requires one to actually do useful work.

📊 CVSS v3.1 Metric Breakdown

🎯 Affected Versions Matrix

Affected Product	Generic/Unknown / Software Component
Affected Versions	Unspecified
Weakness Enumeration	CWE-Not-Specified

🛡️ Remediation & Security Action

Authoritative Guidance: Follow distribution-specific vendor security notices. Advisory status and package patches vary by distribution release.
Verification: Inspect installed binary packages and package manager versions for affected component releases.
Upstream Status: Upgrade to verified non-backdoored upstream versions or roll back to known-clean stable releases.

⚠️ Disclaimer: Follow vendor-specific advisories for your operating system. CyberVault does not fabricate unsupported remediation scripts.

🔗 Verified Technical References

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Technical Analysis

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Risk Snapshot

N/A

UNKNOWN SEVERITY

CVE ID CVE-2026-89770

Weakness CWE-Not-Specified

Vendor Generic/Unknown

Product Software Component

Published 2026-09-11

Vector N/A

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