CVE-2024-49968

MEDIUM5.5

ext4: filesystems without casefold feature cannot be mounted with siphash

Published Oct 21, 2024

Modified Yesterday

In the Linux kernel, the following vulnerability has been resolved:

ext4: filesystems without casefold feature cannot be mounted with siphash

When mounting the ext4 filesystem, if the default hash version is set to DX_HASH_SIPHASH but the casefold feature is not set, exit the mounting.

CVSS v3.1

5.5

Exploitability

Attack Vector

LocalAV:L

Attack Complexity

LowAC:L

Privileges Required

LowPR:L

User Interaction

NoneUI:N

Scope

UnchangedS:U

Impact

Confidentiality

NoneC:N

Integrity

NoneI:N

Availability

HighA:H

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

PublishedOct 21, 2024

ModifiedJan 19, 2026