CVE-2026-98049

A flaw was found in the Linux kernel's BPF Berkeley Packet Filter subsystem. When executing a 32-bit atomic compare-and-exchange operation on arena memory, the kernel fails to properly clear zero-extend the upper half of the target register as required by BPF specifications. A local attacker with...

Spoofing

In the Linux kernel, the following vulnerability has been resolved: locking/qrwlock: Fix ordering in queuedwritelockslowpath While this code is executed with the waitlock held, a reader can acquire the lock without holding waitlock. The writer side loops checking the value with the...