CVE-2024-57943

HIGH

Linux Kernel 6.12-6.12.10 - Use-After-Free in exFAT Buffer Handling

Title source: llm

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().

References (2)

Core 2

Core References

Patch

https://git.kernel.org/stable/c/942c6f91ab8d82a41650e717940b4e577173762f

Patch

https://git.kernel.org/stable/c/98e2fb26d1a9eafe79f46d15d54e68e014d81d8c

Scores

CVSS v3 7.8

EPSS 0.0018

EPSS Percentile 8.1%

Attack Vector LOCAL

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-824

Status published

Products (9)

linux/Kernel 6.12.0 - 6.12.10linux

Linux/Linux < 6.12

Linux/Linux 6.12

Linux/Linux 6.12.10 - 6.12.*

Linux/Linux 6.13

Linux/Linux 6630ea49103c3d45461e29b0f6eb0ce750aeb8f5 - 942c6f91ab8d82a41650e717940b4e577173762f

Linux/Linux 6630ea49103c3d45461e29b0f6eb0ce750aeb8f5 - 98e2fb26d1a9eafe79f46d15d54e68e014d81d8c

linux/linux_kernel 6.13 rc1 (6 CPE variants)

linux/linux_kernel 6.12 - 6.12.10

Published Jan 21, 2025

Tracked Since Feb 18, 2026