CVE-2026-43484

A flaw was found in the Linux kernel's MultiMediaCard MMC core. Concurrent updates to bitfield flags, specifically 'claimed' and 'retunenow', can lead to unintended overwrites of other bits in asynchronous contexts. This can trigger spurious warnings and result in system instability or unexpected...

UBUNTU-CVE-2026-23230

In the Linux kernel, the following vulnerability has been resolved: smb: client: split cachedfid bitfields to avoid shared-byte RMW races isopen, haslease and onlist are stored in the same bitfield byte in struct cachedfid but are updated in different code paths that may run concurrently. Bitfiel...