Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel that stems from a race condition in the polling function that could lead to a null pointer dereference...

kernel: kernfs: Fix UAF in polling when open file is released

A use-after-free race condition exists in the linux kernel such that When cgroup.pressure is disabled, it releases PSI triggers via cgroupfilerelease, Frees of-priv through kernfsdrainopenfiles leading to damage to the availability and integrity of the system...

UBUNTU-CVE-2025-39881

In the Linux kernel, the following vulnerability has been resolved: kernfs: Fix UAF in polling when open file is released A use-after-free UAF vulnerability was identified in the PSI Pressure Stall Information monitoring mechanism: BUG: KASAN: slab-use-after-free in psitriggerpoll+0x3c/0x140 Read...

CVE-2025-39881 kernfs: Fix UAF in polling when open file is released

In the Linux kernel, the following vulnerability has been resolved: kernfs: Fix UAF in polling when open file is released A use-after-free UAF vulnerability was identified in the PSI Pressure Stall Information monitoring mechanism: BUG: KASAN: slab-use-after-free in psitriggerpoll+0x3c/0x140 Read...

CVE-2025-38687

In the Linux kernel, the following vulnerability has been resolved: comedi: fix race between polling and detaching syzbot reports a use-after-free in comedi in the below link, which is due to comedi gladly removing the allocated async area even though poll requests are still active on the...