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CVE PROGRAM SOURCE RECORD7.8 High

CVE-2024-57943

exfat: fix the new buffer was not zeroed before writing

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Status
Published
Published
Updated
Assigning organization
Linux

Description

In the Linux kernel, the following vulnerability has been resolved: exfat: fix the new buffer was not zeroed before writing Before writing, if a buffer_head marked as new, its data must be zeroed, otherwise uninitialized data in the page cache will be written. So this commit uses folio_zero_new_buffers() to zero the new buffers before ->write_end().

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

  • 6630ea49103c3d45461e29b0f6eb0ce750aeb8f5 to < 942c6f91ab8d82a41650e717940b4e577173762faffected
  • 6630ea49103c3d45461e29b0f6eb0ce750aeb8f5 to < 98e2fb26d1a9eafe79f46d15d54e68e014d81d8caffected

Linux Linux

Default version status: affected

  • 6.12affected
  • 0 to < 6.12unaffected
  • 6.12.10 to ≤ 6.12.*unaffected
  • 6.13 to ≤ *unaffected

References