CVE-2022-3176

A use-after-free flaw was found in iouring in the Linux kernel. This flaw allows a local user to trigger the issue if a signalfd or binder fd is polled with the iouring poll due to a lack of iouring POLLFREE handling...

A null pointer dereference issue was discovered in fs/io_uring.c in the Linux kernel before 5.15.62. A local user could use this flaw to crash the system or potentially cause a denial of service.

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GSD-2022-1005324 io_uring: fix io_uring_cqe_overflow trace format

iouring: fix iouringcqeoverflow trace format This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.19.2 by commit...

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...

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...

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...

Double free

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 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...

CVE-2022-3176

CVE-2022-3176 describes a use-after-free in the Linux kernel’s io_uring subsystem. Signalfd_poll() and binder_poll() use a waitqueue whose lifetime is the current task, and the POLLFREE notification is sent to all waiters before the queue is freed, but io_uring poll does not handle POLLFREE. This...

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...

Linux kernel 资源管理错误漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. Linux kernel suffers from a resource management error vulnerability that originates from a confusion in the instruction responsible for freeing memory in iouring. An attacker...

CVE-2022-40476

A null pointer dereference issue was discovered in fs/iouring.c in the Linux kernel before 5.15.62. A local user could use this flaw to crash the system or potentially cause a denial of service...

CVE-2022-40476

A null pointer dereference issue was discovered in fs/iouring.c in the Linux kernel before 5.15.62. A local user could use this flaw to crash the system or potentially cause a denial of service...

UBUNTU-CVE-2022-40476

A null pointer dereference issue was discovered in fs/iouring.c in the Linux kernel before 5.15.62. A local user could use this flaw to crash the system or potentially cause a denial of service...

CVE-2022-40476

A null pointer dereference issue was discovered in fs/iouring.c in the Linux kernel before 5.15.62. A local user could use this flaw to crash the system or potentially cause a denial of service...

Linux kernel 代码问题漏洞

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 versions of Linux kernel prior to 5.15.62, which stems from a null pointer dereference issue in its fs/iouring.c component resulting in a loc...

SUSE SLES15 Security Update : kernel (Live Patch 29 for SLE 15 SP2) (SUSE-SU-2022:3088-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:3088-1 advisory. This update for the Linux Kernel 5.3.18-15020024126 fixes several issues. The following security issues were fixed: - CVE-2020-36516: Fixed an...