REDHAT-BUG-2320475: Medium severity Linux Kernel vulnerability
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 DXHASHSIPHASH but the casefold feature is not set, exit the mounting.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Compensating control
Do not mount ext4 filesystems with DX_HASH_SIPHASH when the casefold feature is not set; abort the mount instead.
Event History
Frequently Asked Questions
What is the severity of REDHAT-BUG-2320475?
The severity of REDHAT-BUG-2320475 is critical due to potential filesystem mounting issues.
How do I fix REDHAT-BUG-2320475?
To resolve REDHAT-BUG-2320475, update your Linux kernel to the latest version that has this vulnerability patched.
What systems are affected by REDHAT-BUG-2320475?
The affected systems include Linux distributions that use the ext4 filesystem without the casefold feature.
What does the REDHAT-BUG-2320475 vulnerability impact?
The REDHAT-BUG-2320475 vulnerability impacts the ability to mount ext4 filesystems when the default hash version is set to DX_HASH_SIPHASH.
When was REDHAT-BUG-2320475 disclosed?
REDHAT-BUG-2320475 was disclosed as part of an ongoing assessment of vulnerabilities in the Linux kernel.