CVE-2026-80863

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix OOB in freerdatomicresources freerdatomicresources iterates using qp-attr.maxdestrdatomic. Updating maxdestrdatomic before freeing the old array can make the free path walk past the old allocation and trigger a slab...

CVE-2026-80863

CVE-2026-80863 is a slab out-of-bounds write (size 4) in the Linux kernel's RDMA/rxe (Soft-RoCE) driver, specifically in free_rd_atomic_resources() at drivers/infiniband/sw/rxe/rxe_qp.c. The root cause is that max_dest_rd_atomic is updated before the old array is freed, causing the free path to i...