CVE-2026-52946: Improper Locking

In the Linux kernel, the following vulnerability has been resolved: fs/fcntl: fix SOFTIRQ-unsafe lock order in fasync signaling A SOFTIRQ-safe to SOFTIRQ-unsafe lock order deadlock can occur in sendsigio and sendsigurg when a process group receives a signal. When FASYNC is configured for a proces...

kernel: create_elf_tables can leave urandom in a bad state

Use-after-free vulnerability in the fasynchelper function in fs/fcntl.c in the Linux kernel before 2.6.33-rc4-git1 allows local users to gain privileges via vectors that include enabling OASYNC aka FASYNC or FIOASYNC on a locked file, and then closing this file...