CVE-2025-71268: btrfs: fix reservation leak in some error paths when inserting inline extent
In the Linux kernel, the following vulnerability has been resolved:
btrfs: fix reservation leak in some error paths when inserting inline extent
If we fail to allocate a path or join a transaction, we return from cowfilerangeinline() without freeing the reserved qgroup data, resulting in a leak. Fix this by ensuring we call btrfsqgroupfreedata() in such cases.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2025-71268?
CVE-2025-71268 is classified as a medium severity vulnerability due to its potential impact on system stability.
How do I fix CVE-2025-71268?
To mitigate CVE-2025-71268, update the Linux kernel to the latest stable version where the vulnerability has been resolved.
What systems are affected by CVE-2025-71268?
CVE-2025-71268 affects Linux kernel versions prior to the fix, particularly those using the btrfs filesystem.
What are the potential impacts of CVE-2025-71268?
The potential impacts of CVE-2025-71268 include system crashes or slowdowns due to reservation leaks in error paths.
Is there a workaround for CVE-2025-71268?
Currently, there are no known workarounds for CVE-2025-71268 other than applying the kernel patch.