EUVD-2026-30020

In the Linux kernel, the following vulnerability has been resolved: mmc: core: Avoid bitfield RMW for claim/retune flags Move claimed and retune control flags out of the bitfield word to avoid unrelated RMW side effects in asynchronous contexts. The host-claimed bit shared a word with retune flag...

CVE-2026-43484

In the Linux kernel, the following vulnerability has been resolved: mmc: core: Avoid bitfield RMW for claim/retune flags Move claimed and retune control flags out of the bitfield word to avoid unrelated RMW side effects in asynchronous contexts. The host-claimed bit shared a word with retune flag...

CVE-2026-43484

The CVE-2026-43484 entry concerns the Linux kernel MMC core. The vulnerability stems from a shared word between host->claimed and retune flags in the MMC host data, where writes to claimed (in __mmc_claim_host()) or retune_now (in mmc_mq_queue_rq()) could overwrite adjacent bits during concurr...