5.5

CVE-2024-47700

ext4: check stripe size compatibility on remount as well

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 6.5 < 6.6.54
Linux ≫ Linux Kernel Version >= 6.7 < 6.10.13
Linux ≫ Linux Kernel Version >= 6.11 < 6.11.2
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.22% 0.124
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-369 Divide By Zero

The product divides a value by zero.

https://git.kernel.org/stable/c/297615e992bbb30a55c158141086be6505d5d722
Patch
https://git.kernel.org/stable/c/a31b712f75445d52fc0451dc54fd7b16a552cb7c
Patch
https://git.kernel.org/stable/c/ee85e0938aa8f9846d21e4d302c3cf6a2a75110d
Patch
https://git.kernel.org/stable/c/faeff8b1ee2eaa5969c8e994d66c3337298cefed
Patch