CVE-2024-50247: linux kernel Out-of-bounds Read — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Check if more than chunk-size bytes are written A incorrectly formatted chunk may decompress into more than LZNT_CHUNK_SIZE bytes and a index out of bounds will occur in s_max_off.

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CVSS v3.1 Score

7.1

HIGH

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

Weakness Type (CWE)

CWE-125 Out-of-bounds Read

Affected Products

Vendor	Product	Versions
linux	linux_kernel	< 5.15.171
linux	linux_kernel	5.16 — 6.1.116
linux	linux_kernel	6.2 — 6.6.60
linux	linux_kernel	6.7 — 6.11.7
linux	linux_kernel	All
linux	linux_kernel	All

References

Advisories & Patches

https://git.kernel.org/stable/c/1b6bc5f7212181093b6c5310eea216fc09c721a9 https://git.kernel.org/stable/c/4a4727bc582832f354e0d3d49838a401a28ae25e https://git.kernel.org/stable/c/5f21e3e60982cd7353998b4f59f052134fd47d64 https://git.kernel.org/stable/c/9931122d04c6d431b2c11b5bb7b10f28584067f0 https://git.kernel.org/stable/c/e5ae7859008688626b4d2fa6139eeaa08e255053

Other References

https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html

Frequently Asked Questions

What is CVE-2024-50247? +

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Check if more than chunk-size bytes are written A incorrectly formatted chunk may decompress into more than LZNT_CHUNK_SIZE bytes and a index out of bounds will occur in s_max_off. It has a CVSS v3.1 base score of 7.1 (HIGH).

How severe is CVE-2024-50247? +

CVE-2024-50247 has a CVSS v3.1 score of 7.1 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-50247? +

CVE-2024-50247 affects products from linux, specifically: linux_kernel. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-50247? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2024-50247