CVE-2026-64579

In the Linux kernel, the following vulnerability has been resolved: xfrm: policy: preallocate inexact bins before xfrmhashrebuild reinsert xfrmhashrebuild's first loop preallocates the bins/chains the reinsert loop needs, so the reinsert after hlistdelrcu cannot allocate or fail. But its guard is...

CVE-2026-64579

The CVE-2026-64579 entry describes a Linux kernel xfrm policy issue in xfrm_hash_rebuild: the first loop preallocates bins for the reinsert path, but the guard inversion causes inexact policy reinserts to allocate at GFP_ATOMIC during reinsert, risking LIST_POISON2 dereferences and a crash under ...