CVE-2024-41086: linux kernel — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: bcachefs: Fix sb_field_downgrade validation - bch2_sb_downgrade_validate() wasn't checking for a downgrade entry extending past the end of the superblock section - for_each_downgrade_entry() is used in to_text() and needs to work on malformed input; it also was missing a check for a field extending past the end of the section

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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

Affected Products

Vendor	Product	Versions
linux	linux_kernel	6.7.1 — 6.9.8
linux	linux_kernel	All

References

Advisories & Patches

https://git.kernel.org/stable/c/692aa7a54b2b28d59f24b3bf8250837805484b99 https://git.kernel.org/stable/c/bf920ed92ef24dcd6970c88881cd4700b3acf05b https://git.kernel.org/stable/c/692aa7a54b2b28d59f24b3bf8250837805484b99 https://git.kernel.org/stable/c/bf920ed92ef24dcd6970c88881cd4700b3acf05b

Frequently Asked Questions

What is CVE-2024-41086? +

In the Linux kernel, the following vulnerability has been resolved: bcachefs: Fix sb_field_downgrade validation - bch2_sb_downgrade_validate() wasn't checking for a downgrade entry extending past the end of the superblock section - for_each_downgrade_entry() is used in to_text() and needs to work on malformed input; it also was missing a check for a field extending past the end of the section It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-41086? +

CVE-2024-41086 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-2024-41086? +

CVE-2024-41086 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-2024-41086? +

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-2024-41086