Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: xfs: The data fork mapping is resampled after cycling ILOCK. xfsreflinkfillcowhole,delalloc involves an inode, a data fork mapping, and a cow fork mapping. Unfortunately, these two helpers cycle ILOCK to obtain a transaction,...

CVE-2026-64600 xfs: resample the data fork mapping after cycling ILOCK

In the Linux kernel, the following vulnerability has been resolved: xfs: resample the data fork mapping after cycling ILOCK xfsreflinkfillcowhole,delalloc are both presented with an inode, a data fork mapping, and a cow fork mapping. Unfortunately, these two helpers cycle the ILOCK to grab a...