CVE-2026-64357 xfs: fix exchmaps reservation limit check

In the Linux kernel, the following vulnerability has been resolved: xfs: fix exchmaps reservation limit check xfsexchmapsestimateoverhead adds the bmbt and rmapbt overhead to a local resblks variable, but the final UINTMAX check still tests req-resblks. That is the reservation value from before t...

EUVD-2026-48901

In the Linux kernel, the following vulnerability has been resolved: xfs: fix exchmaps reservation limit check xfsexchmapsestimateoverhead adds the bmbt and rmapbt overhead to a local resblks variable, but the final UINTMAX check still tests req-resblks. That is the reservation value from before t...

PT-2026-64578

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the XFS file system where the xfs exchmaps estimate overhead function incorrectly performs a UINT MAX check. The function adds bmbt and rmapbt overhead to a local...