CVE-2021-46942 io_uring: fix shared sqpoll cancellation hangs

In the Linux kernel, the following vulnerability has been resolved: iouring: fix shared sqpoll cancellation hangs 736.982891 INFO: task iou-sqp-4294:4295 blocked for more than 122 seconds. 736.982897 Call Trace: 736.982901 schedule+0x68/0xe0 736.982903 iouringcancelsqpoll+0xdb/0x110 736.982908...

CVE-2021-46942: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: iouring: fix shared sqpoll cancellation hangs 736.982891 INFO: task iou-sqp-4294:4295 blocked for more than 122 seconds. 736.982897 Call Trace: 736.982901 schedule+0x68/0xe0 736.982903 iouringcancelsqpoll+0xdb/0x110 736.982908...

Ubuntu: Security Advisory (USN-6652-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2024 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

USN-6652-1: Linux kernel (Azure) vulnerabilities

Marek Marczykowski-Górecki discovered that the Xen event channel infrastructure implementation in the Linux kernel contained a race condition. An attacker in a guest VM could possibly use this to cause a denial of service paravirtualized device unavailability. CVE-2023-34324 Zheng Wang discovered...

CVE-2024-22017

A flaw was found in Node.js, where the setuid does not affect libuv's internal iouring operations if initialized before the call to setuid. This issue allows the process to perform privileged operations despite presumably having dropped such privileges through a call to setuid...

Ubuntu 22.04 LTS / 23.10 : Linux kernel vulnerabilities (USN-6651-1)

The remote Ubuntu 22.04 LTS / 23.10 host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6651-1 advisory. It was discovered that a race condition existed in the ATM Asynchronous Transfer Mode subsystem of the Linux kernel, leading to a use-after-free...

Ubuntu 23.10 : Linux kernel (Azure) vulnerabilities (USN-6652-1)

The remote Ubuntu 23.10 host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6652-1 advisory. Marek Marczykowski-Grecki discovered that the Xen event channel infrastructure implementation in the Linux kernel contained a race condition. An attacker in ...

SUSE CVE-2024-22017

setuid does not affect libuv's internal iouring operations if initialized before the call to setuid. This allows the process to perform privileged operations despite presumably having dropped such privileges through a call to setuid. This vulnerability affects all users using version greater or...

USN-6639-1: Linux kernel (OEM) vulnerabilities

It was discovered that a race condition existed in the ATM Asynchronous Transfer Mode subsystem of the Linux kernel, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2023-51780 It was...

PT-2024-3904

Name of the Vulnerable Software and Affected Versions: Node.js versions 18.18.0 and later Node.js versions 20.4.0 and later Node.js versions 21 and later Description: The issue is related to the setuid function not affecting libuv's internal io uring operations if initialized before the call to...

Wednesday February 14 2024 Security Releases

Wednesday February 14 2024 Security Releases Update 14-February-2024 Security releases available Updates are now available for the v18.x, v20.x and v21.x Node.js release lines for the following issues. This security release includes the following dependency updates to address public...

USN-6624-1: Linux kernel vulnerabilities

Marek Marczykowski-Górecki discovered that the Xen event channel infrastructure implementation in the Linux kernel contained a race condition. An attacker in a guest VM could possibly use this to cause a denial of service paravirtualized device unavailability. CVE-2023-34324 Zheng Wang discovered...

USN-6624-1 linux, linux-aws, linux-gcp, linux-hwe-6.5, linux-laptop, linux-lowlatency, linux-lowlatency-hwe-6.5, linux-oem-6.5, linux-oracle, linux-raspi, linux-starfive vulnerabilities

Marek Marczykowski-Górecki discovered that the Xen event channel infrastructure implementation in the Linux kernel contained a race condition. An attacker in a guest VM could possibly use this to cause a denial of service paravirtualized device unavailability. CVE-2023-34324 Zheng Wang discovered...

PT-2024-3623

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue is related to the io uring subsystem in the Linux kernel, specifically with the function io uring get file in the module io uring/io uring.c. It is associated with a memory...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: iouring/afunix: disable sending iouring over sockets CVE-2023-52654 In the Linux kernel, the following vulnerability has been resolved: blk-mq: make sure active queue usage is held for biointegrityprep...

Linux 5.6 io_uring Cred Refcount Overflow Exploit

Linux versions 5.6 and above appear to suffer from a cred refcount overflow when handling approximately 39 gigabytes of memory usage via iouring. Linux =5.6: cred refcount overflow at 39 GiB memory usage via iouring see also my related prior bug reports about overflowing refcounts with lots of RA...

Linux 5.6 io_uring Cred Refcount Overflow

Linux =5.6: cred refcount overflow at 39 GiB memory usage via iouring see also my related prior bug reports about overflowing refcounts with lots of RAM usage: https://crbug.com/project-zero/809: BPF program refcount, with 32GiB RAM https://crbug.com/project-zero/1752: page-refcount via FUSE with...

DEBIAN-CVE-2024-0582

A memory leak flaw was found in the Linux kernel’s iouring functionality in how a user registers a buffer ring with IORINGREGISTERPBUFRING, mmap it, and then frees it. This flaw allows a local user to crash or potentially escalate their privileges on the system...

UBUNTU-CVE-2024-0582

A memory leak flaw was found in the Linux kernel’s iouring functionality in how a user registers a buffer ring with IORINGREGISTERPBUFRING, mmap it, and then frees it. This flaw allows a local user to crash or potentially escalate their privileges on the system...

CVE-2024-0582

A memory leak flaw was found in the Linux kernel’s iouring functionality in how a user registers a buffer ring with IORINGREGISTERPBUFRING, mmap it, and then frees it. This flaw allows a local user to crash or potentially escalate their privileges on the system...