CVE-2026-46029

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...

CVE-2026-46035

Summary (CVE-2026-46035): Linux kernel UP (non-SMP) builds are fixed so that alloc_frozen_pages_nolock() invoked from an NMI returns NULL early, preventing re-entry of rmqueue() and corruption of freelists due to spin_trylock() becoming a no-op. The issue occurs when CONFIG_DEBUG_SPINLOCK is enab...

CVE-2025-68336 locking/spinlock/debug: Fix data-race in do_raw_write_lock

In the Linux kernel, the following vulnerability has been resolved: locking/spinlock/debug: Fix data-race in dorawwritelock KCSAN reports: BUG: KCSAN: data-race in dorawwritelock / dorawwritelock write marked to 0xffff800009cf504c of 4 bytes by task 1102 on cpu 1: dorawwritelock+0x120/0x204...

CVE-2024-26999 serial/pmac_zilog: Remove flawed mitigation for rx irq flood

In the Linux kernel, the following vulnerability has been resolved: serial/pmaczilog: Remove flawed mitigation for rx irq flood The mitigation was intended to stop the irq completely. That may be better than a hard lock-up but it turns out that you get a crash anyway if you're using pmaczilog as ...