Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm/pagealloc: It is possible for NULL to be returned early from allocfrozenpagesnolock in NMI on UP kernels. On UP kernels with CONFIGSMP, spintrylock is a no-op that succeeds unconditionally, even when the lock is already held. ...

CVE-2026-46029 mm/slab: return NULL early from kmalloc_nolock() in NMI on UP

In the Linux kernel, the following vulnerability has been resolved: mm/slab: return NULL early from kmallocnolock in NMI on UP On UP kernels !CONFIGSMP, spintrylock is a no-op that unconditionally succeeds even when the lock is already held. As a result, kmallocnolock called from NMI context can...