CVE-2024-41086

MEDIUM

Linux Kernel - Denial of Service via Malformed Bcachefs Superblock Downgrade Entry

Title source: llm

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

References (2)

Core 2

Core References

Patch

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

Patch

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

Scores

CVSS v3 5.5

EPSS 0.0020

EPSS Percentile 9.6%

Attack Vector LOCAL

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

Status published

Products (9)

linux/Kernel 6.7.0 - 6.9.8linux

Linux/Linux < 6.7

Linux/Linux 6.10

Linux/Linux 6.7

Linux/Linux 6.9.8 - 6.9.*

Linux/Linux 84f1638795da1ff2084597de4251e9054f1ad728 - 692aa7a54b2b28d59f24b3bf8250837805484b99

Linux/Linux 84f1638795da1ff2084597de4251e9054f1ad728 - bf920ed92ef24dcd6970c88881cd4700b3acf05b

linux/linux_kernel 6.7

linux/linux_kernel 6.7.1 - 6.9.8

Published Jul 29, 2024

Tracked Since Feb 18, 2026