CVE-2023-54285 - CVE House
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Status published Unknown CVE-2023-54285

iomap: Fix possible overflow condition in iomap_write_delalloc_scan

Vulnerability Description

In the Linux kernel, the following vulnerability has been resolved: iomap: Fix possible overflow condition in iomap_write_delalloc_scan folio_next_index() returns an unsigned long value which left shifted by PAGE_SHIFT could possibly cause an overflow on 32-bit system. Instead use folio_pos(folio) + folio_size(folio), which does this correctly.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

Linux
Vulnerable Versions:
38be53c3fd7f4f4bd5de319a323d72f9f6beb16d, f43dc4dc3eff028b5ddddd99f3a66c5a6bdd4e78, 6.1.92, 6.2, 0, 6.1.162, 6.5.5, 6.6

Timeline

Official Publish: December 30th, 2025
Last Modified: May 23rd, 2026
Added to House: July 22nd, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.