EUVD-2026-93190

In the Linux kernel, the following vulnerability has been resolved: ata: libahci: clear PxCLBU and PxFBU for AHCIHFLAG32BITONLY A user reported that commit 105c42566a55 "ata: ahci: force 32-bit DMA for JMicron JMB582/JMB585" made the JMicron JMB585 unusable on his board. The failure is seen as so...

CVE-2026-98262

The Linux kernel libahci driver contains a functional issue where the JMicron JMB585 becomes unusable when the AHCI_HFLAG_32BIT_ONLY flag is used. The root cause is that for HBAs supporting 64-bit addressing, the PxCLBU and PxFBU registers have implementation-specific reset values; however, when ...