CVE-2024-41077

MEDIUM
Published Jul 29, 2024 Modified Nov 3, 2025 CWE-476

Description

In the Linux kernel, the following vulnerability has been resolved: null_blk: fix validation of block size Block size should be between 512 and PAGE_SIZE and be a power of 2. The current check does not validate this, so update the check. Without this patch, null_blk would Oops due to a null pointer deref when loaded with bs=1536 [1]. [axboe: remove unnecessary braces and != 0 check]

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CVSS v3.1 Score

5.5
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-476 CWE-476

Affected Products

Vendor Product
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel

References

Advisories & Patches

https://git.kernel.org/stable/c/08f03186b96e25e3154916a2e70732557c770ea7 https://git.kernel.org/stable/c/2772ed2fc075eef7df3789906fc9dae01e4e132e https://git.kernel.org/stable/c/9625afe1dd4a158a14bb50f81af9e2dac634c0b1 https://git.kernel.org/stable/c/9b873bdaae64bddade9d8c6df23c8a31948d47d0 https://git.kernel.org/stable/c/c462ecd659b5fce731f1d592285832fd6ad54053 https://git.kernel.org/stable/c/f92409a9da02f27d05d713bff5f865e386cef9b3 https://git.kernel.org/stable/c/08f03186b96e25e3154916a2e70732557c770ea7 https://git.kernel.org/stable/c/2772ed2fc075eef7df3789906fc9dae01e4e132e https://git.kernel.org/stable/c/9625afe1dd4a158a14bb50f81af9e2dac634c0b1 https://git.kernel.org/stable/c/9b873bdaae64bddade9d8c6df23c8a31948d47d0 https://git.kernel.org/stable/c/c462ecd659b5fce731f1d592285832fd6ad54053 https://git.kernel.org/stable/c/f92409a9da02f27d05d713bff5f865e386cef9b3

Frequently Asked Questions

What is CVE-2024-41077? +
In the Linux kernel, the following vulnerability has been resolved: null_blk: fix validation of block size Block size should be between 512 and PAGE_SIZE and be a power of 2. The current check does not validate this, so update the check. Without this patch, null_blk would Oops due to a null pointer deref when loaded with bs=1536 [1]. [axboe: remove unnecessary braces and != 0 check] It has a CVSS v3.1 base score of 5.5 (MEDIUM).
How severe is CVE-2024-41077? +
CVE-2024-41077 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.
What products are affected by CVE-2024-41077? +
CVE-2024-41077 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-2024-41077? +
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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