CVE-2023-54285

UNKNOWN 0.0

iomap: Fix possible overflow condition in iomap_write_delalloc_scan

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

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.

Vendor	linux
Product	linux
Ecosystems	Linux Kernel
Industries	Technology
Published	Dec 30, 2025
Last Updated	May 11, 2026

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Affected Versions

Linux / Linux

38be53c3fd7f4f4bd5de319a323d72f9f6beb16d < 0c6cf409093f307ee05114f834516730c0da5b21 f43dc4dc3eff028b5ddddd99f3a66c5a6bdd4e78 < 5c281b0c5d18c8eeb1cfd5023f4adb153e6d1240 f43dc4dc3eff028b5ddddd99f3a66c5a6bdd4e78 < eee2d2e6ea5550118170dbd5bb1316ceb38455fb

Linux / Linux

6.2

References

NVD ↗ CVE.org ↗ EPSS Data ↗

git.kernel.org: https://git.kernel.org/stable/c/0c6cf409093f307ee05114f834516730c0da5b21 git.kernel.org: https://git.kernel.org/stable/c/5c281b0c5d18c8eeb1cfd5023f4adb153e6d1240 git.kernel.org: https://git.kernel.org/stable/c/eee2d2e6ea5550118170dbd5bb1316ceb38455fb