CVE-2024-47700

MEDIUM

Linux Kernel 6.5-6.6.53, 6.7-6.10.12, 6.11.0-6.11.1 - Divide By Zero in EXT4 Remount Stripe Size Check

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: ext4: check stripe size compatibility on remount as well We disable stripe size in __ext4_fill_super if it is not a multiple of the cluster ratio however this check is missed when trying to remount. This can leave us with cases where stripe < cluster_ratio after remount:set making EXT4_B2C(sbi->s_stripe) become 0 that can cause some unforeseen bugs like divide by 0. Fix that by adding the check in remount path as well.

Scores

CVSS v3 5.5
EPSS 0.0022
EPSS Percentile 12.4%
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

CWE
CWE-369
Status published
Products (14)
linux/Kernel 6.11.0 - 6.11.2linux
linux/Kernel 6.5.0 - 6.6.54linux
linux/Kernel 6.7.0 - 6.10.13linux
Linux/Linux < 6.5
Linux/Linux 6.10.13 - 6.10.*
Linux/Linux 6.11.2 - 6.11.*
Linux/Linux 6.12
Linux/Linux 6.5
Linux/Linux 6.6.54 - 6.6.*
Linux/Linux c3defd99d58cbdd132bd197714e5523dac976b66 - 297615e992bbb30a55c158141086be6505d5d722
... and 4 more
Published Oct 21, 2024
Tracked Since Feb 18, 2026