Security Advisory
CVE-2026-63954
7.8
HIGH
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved:
hpfs: fix a crash if hpfs_map_dnode_bitmap fails
If hpfs_map_dnode_bitmap fails, the code would call hpfs_brelse4 on
uninitialized quad buffer head, causing a crash.
Published Date
July 19, 2026
Official Source
NIST NVD Advisory