CVE-2024-57943

HighCVSS 7.8/10Last modified Jun 17, 2026

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().

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-824

Affected software

No affected versions have been published.

Timeline

Published
Jan 21, 2025
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2024-57943: High severity, CVSS 7.8 | Vulnix