CVE-2025-68315: f2fs: fix to detect potential corrupted nid in free_nid_list
In the Linux kernel, the following vulnerability has been resolved:
f2fs: fix to detect potential corrupted nid in freenidlist
As reported, on-disk footer.ino and footer.nid is the same and out-of-range, let's add sanity check on f2fsallocnid() to detect any potential corruption in freenidlist.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2025-68315?
CVE-2025-68315 is classified as a medium severity vulnerability affecting the Linux kernel.
How do I fix CVE-2025-68315?
To fix CVE-2025-68315, users should update to the latest version of the Linux kernel that includes the patch for the vulnerability.
What types of systems are affected by CVE-2025-68315?
CVE-2025-68315 affects systems using the Linux kernel, specifically those leveraging the f2fs file system.
What does CVE-2025-68315 exploit?
CVE-2025-68315 exploits a vulnerability in the allocation of node IDs in the f2fs file system, potentially leading to data corruption.
Is CVE-2025-68315 a confirmed vulnerability?
Yes, CVE-2025-68315 is a confirmed vulnerability that has been resolved in newer patches of the Linux kernel.