CVE-2023-52707 sched/psi: Fix use-after-free in ep_remove_wait_queue()

In the Linux kernel, the following vulnerability has been resolved: sched/psi: Fix use-after-free in epremovewaitqueue If a non-root cgroup gets removed when there is a thread that registered trigger and is polling on a pressure file within the cgroup, the polling waitqueue gets freed in the...

ARM Mali r44p0 Use-After-Free Exploit

Arm Mali r44p0: UAF by freeing waitqueue with elements on it In Mali r44p0, it became possible to free the kbasecontext of a kbasefile while still having a file pointing to the kbasefile. This is supposed to be safe because of the kfile-fopscount and kfile-mapcount checks. However, kbasepoll will...

kernel: sched/psi: Fix use-after-free in ep_remove_wait_queue()

In the Linux kernel, the following vulnerability has been resolved: sched/psi: Fix use-after-free in epremovewaitqueue If a non-root cgroup gets removed when there is a thread that registered trigger and is polling on a pressure file within the cgroup, the polling waitqueue gets freed in the...

Ubuntu 20.04 LTS / 22.04 LTS : Linux kernel vulnerabilities (USN-5667-1)

The remote Ubuntu 20.04 LTS / 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5667-1 advisory. Selim Enes Karaduman discovered that a race condition existed in the General notification queue implementation of the Linux kernel, leading t...

CVE-2022-3176

There exists a use-after-free in iouring in the Linux kernel. Signalfdpoll and binderpoll use a waitqueue whose lifetime is the current task. It will send a POLLFREE notification to all waiters before the queue is freed. Unfortunately, the iouring poll doesn't handle POLLFREE. This allows a...

DEBIAN-CVE-2022-3176

There exists a use-after-free in iouring in the Linux kernel. Signalfdpoll and binderpoll use a waitqueue whose lifetime is the current task. It will send a POLLFREE notification to all waiters before the queue is freed. Unfortunately, the iouring poll doesn't handle POLLFREE. This allows a...

UBUNTU-CVE-2022-3176

There exists a use-after-free in iouring in the Linux kernel. Signalfdpoll and binderpoll use a waitqueue whose lifetime is the current task. It will send a POLLFREE notification to all waiters before the queue is freed. Unfortunately, the iouring poll doesn't handle POLLFREE. This allows a...

CVE-2022-3176

There exists a use-after-free in iouring in the Linux kernel. Signalfdpoll and binderpoll use a waitqueue whose lifetime is the current task. It will send a POLLFREE notification to all waiters before the queue is freed. Unfortunately, the iouring poll doesn't handle POLLFREE. This allows a...

CVE-2022-3176 Use-after-free in io_uring in Linux Kernel

There exists a use-after-free in iouring in the Linux kernel. Signalfdpoll and binderpoll use a waitqueue whose lifetime is the current task. It will send a POLLFREE notification to all waiters before the queue is freed. Unfortunately, the iouring poll doesn't handle POLLFREE. This allows a...