CVE-2024-56570: ovl: Filter invalid inodes with missing lookup function
In the Linux kernel, the following vulnerability has been resolved:
ovl: Filter invalid inodes with missing lookup function
Add a check to the ovldentryweird() function to prevent the processing of directory inodes that lack the lookup function. This is important because such inodes can cause errors in overlayfs when passed to the lowerstack.
Other sources
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— Launchpad
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2024-56570?
The severity of CVE-2024-56570 is categorized as medium due to its impact on directory inode processing.
How do I fix CVE-2024-56570?
To fix CVE-2024-56570, update your Linux kernel to one of the patched versions such as 5.10.234-1 or 6.12.20-1.
What systems are affected by CVE-2024-56570?
CVE-2024-56570 affects Linux kernels versions prior to the patched releases mentioned in the remediation guidance.
What is the impact of CVE-2024-56570 if exploited?
If exploited, CVE-2024-56570 could allow the processing of invalid inodes, potentially leading to system instability.
Is CVE-2024-56570 related to any specific Linux distributions?
Yes, CVE-2024-56570 is relevant to multiple distributions that utilize vulnerable versions of the Linux kernel.