In the Linux kernel, the following vulnerability has been resolved:
hpfs: fix a crash if hpfsmapdnode_bitmap fails
If hpfsmapdnodebitmap fails, the code would call hpfsbrelse4 on uninitialized quad buffer head, causing a crash.
{
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63954.json",
"cna_assigner": "Linux"
}