Vulnerability in Linux

CVE-2024-57943

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().

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (8.3th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 8th percentile — 8.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2024-57943: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

  • Linux — versions 6630ea49103c3d45461e29b0f6eb0ce750aeb8f5, 6.12, 0
  • Linux Kernel — versions 6.13

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2024-57943?
CVE-2024-57943 is a high-severity vulnerability in Linux, classified under Access of Uninitialized Pointer. CVSS score: 7.8/10. Published 2025-01-21.
How severe is CVE-2024-57943?
High severity. CVSS v3 base score is 7.8 out of 10.