CVE-2024-57943 — exfat: fix the new buffer was not zeroed before writing
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…
Published: 2025-01-21 · CVSS: 7.8 · CVSS 3.1
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().
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7