CVE-2024-42078: linux kernel — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: nfsd: initialise nfsd_info.mutex early. nfsd_info.mutex can be dereferenced by svc_pool_stats_start() immediately after the new netns is created. Currently this can trigger an oops. Move the initialisation earlier before it can possibly be dereferenced.

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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-665 CWE-665

Affected Products

Vendor	Product	Versions
linux	linux_kernel	< 6.8
linux	linux_kernel	6.9 — 6.9.8

References

Advisories & Patches

https://git.kernel.org/stable/c/7e8b94045bc77ce4f085ddfb9eb04e5760e66169 https://git.kernel.org/stable/c/e0011bca603c101f2a3c007bdb77f7006fa78fb1 https://git.kernel.org/stable/c/7e8b94045bc77ce4f085ddfb9eb04e5760e66169 https://git.kernel.org/stable/c/e0011bca603c101f2a3c007bdb77f7006fa78fb1

Frequently Asked Questions

What is CVE-2024-42078? +

In the Linux kernel, the following vulnerability has been resolved: nfsd: initialise nfsd_info.mutex early. nfsd_info.mutex can be dereferenced by svc_pool_stats_start() immediately after the new netns is created. Currently this can trigger an oops. Move the initialisation earlier before it can possibly be dereferenced. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-42078? +

CVE-2024-42078 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-2024-42078? +

CVE-2024-42078 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-2024-42078? +

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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