drbd

Microsoft’s advisory for CVE-2026-23356 points to a Linux kernel issue in drbd, specifically a logic bug in drbd_al_begin_io_nonblock(). That wording matters: this is not being presented as a flashy memory-corruption flaw, but as a correctness problem in how the driver handles I/O state, which...

Background Microsoft’s Security Response Guide entry for CVE-2026-23285 points to a Linux kernel issue in DRBD: a null-pointer dereference on local read error. The upstream patch title is unambiguous enough to tell the story at a glance: drbd: fix null-pointer dereference on local read error...