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CVE PROGRAM SOURCE RECORD7.1 High

CVE-2023-54285

iomap: Fix possible overflow condition in iomap_write_delalloc_scan

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Status
Published
Published
Updated
Assigning organization
Linux

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • 38be53c3fd7f4f4bd5de319a323d72f9f6beb16d to < 0c6cf409093f307ee05114f834516730c0da5b21affected
  • f43dc4dc3eff028b5ddddd99f3a66c5a6bdd4e78 to < 5c281b0c5d18c8eeb1cfd5023f4adb153e6d1240affected
  • f43dc4dc3eff028b5ddddd99f3a66c5a6bdd4e78 to < eee2d2e6ea5550118170dbd5bb1316ceb38455fbaffected
  • 6.1.92 to < 6.1.162affected

Linux Linux

Default version status: affected

  • 6.2affected
  • 0 to < 6.2unaffected
  • 6.1.162 to ≤ 6.1.*unaffected
  • 6.5.5 to ≤ 6.5.*unaffected
  • 6.6 to ≤ *unaffected

References