Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007221)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007221 advisory. In the Linux kernel, the following vulnerability has been resolved: iouring: fix overflows checks in provide buffers Colin reported before possible overflow and sign...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001219)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001219 advisory. The iouring subsystem in the Linux kernel allowed the MAXRWCOUNT limit to be bypassed in the PROVIDEBUFFERS operation, which led to negative values being usedin memr...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-414591)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-414591 advisory. The iouring subsystem in the Linux kernel allowed the MAXRWCOUNT limit to be bypassed in the PROVIDEBUFFERS operation, which led to negative values being usedin memr...

Linux Distros Unpatched Vulnerability : CVE-2021-3491

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - The iouring subsystem in the Linux kernel allowed the MAXRWCOUNT limit to be bypassed in the PROVIDEBUFFERS operation, which led to negative values being usedin...

SUSE CVE-2021-47040

In the Linux kernel, the following vulnerability has been resolved: iouring: fix overflows checks in provide buffers Colin reported before possible overflow and sign extension problems in ioprovidebuffersprep. As Linus pointed out previous attempt did nothing useful, see d81269fecb8ce "iouring: f...

DEBIAN-CVE-2021-47040

In the Linux kernel, the following vulnerability has been resolved: iouring: fix overflows checks in provide buffers Colin reported before possible overflow and sign extension problems in ioprovidebuffersprep. As Linus pointed out previous attempt did nothing useful, see d81269fecb8ce "iouring: f...

UBUNTU-CVE-2021-47040

In the Linux kernel, the following vulnerability has been resolved: iouring: fix overflows checks in provide buffers Colin reported before possible overflow and sign extension problems in ioprovidebuffersprep. As Linus pointed out previous attempt did nothing useful, see d81269fecb8ce "iouring: f...

CVE-2021-47040

In the Linux kernel, the following vulnerability has been resolved: iouring: fix overflows checks in provide buffers Colin reported before possible overflow and sign extension problems in ioprovidebuffersprep. As Linus pointed out previous attempt did nothing useful, see d81269fecb8ce "iouring: f...

CVE-2021-47040 io_uring: fix overflows checks in provide buffers

In the Linux kernel, the following vulnerability has been resolved: iouring: fix overflows checks in provide buffers Colin reported before possible overflow and sign extension problems in ioprovidebuffersprep. As Linus pointed out previous attempt did nothing useful, see d81269fecb8ce "iouring: f...

SUSE CVE-2021-3491

The iouring subsystem in the Linux kernel allowed the MAXRWCOUNT limit to be bypassed in the PROVIDEBUFFERS operation, which led to negative values being usedin memrw when reading /proc//mem. This could be used to create a heap overflow leading to arbitrary code execution in the kernel. It was...

SUSE CVE-2021-41073

looprwiter in fs/iouring.c in the Linux kernel 5.10 through 5.14.6 allows local users to gain privileges by using IORINGOPPROVIDEBUFFERS to trigger a free of a kernel buffer, as demonstrated by using /proc//maps for exploitation...

DEBIAN-CVE-2021-41073

looprwiter in fs/iouring.c in the Linux kernel 5.10 through 5.14.6 allows local users to gain privileges by using IORINGOPPROVIDEBUFFERS to trigger a free of a kernel buffer, as demonstrated by using /proc//maps for exploitation...

UBUNTU-CVE-2021-41073

looprwiter in fs/iouring.c in the Linux kernel 5.10 through 5.14.6 allows local users to gain privileges by using IORINGOPPROVIDEBUFFERS to trigger a free of a kernel buffer, as demonstrated by using /proc//maps for exploitation...

Linux kernel 安全漏洞

Linux kernel is the kernel used by the Linux Foundation's open source operating system Linux. A security vulnerability exists in Linux kernel versions 5.10 through 5.14.6, which stems from looprwiter in fs/iouring.c in the kernel that allows a local user to gain privileges by triggering a kernel...

DEBIAN-CVE-2021-3491

The iouring subsystem in the Linux kernel allowed the MAXRWCOUNT limit to be bypassed in the PROVIDEBUFFERS operation, which led to negative values being usedin memrw when reading /proc//mem. This could be used to create a heap overflow leading to arbitrary code execution in the kernel. It was...

CVE-2021-3491 Linux kernel io_uring PROVIDE_BUFFERS MAX_RW_COUNT bypass

The iouring subsystem in the Linux kernel allowed the MAXRWCOUNT limit to be bypassed in the PROVIDEBUFFERS operation, which led to negative values being usedin memrw when reading /proc//mem. This could be used to create a heap overflow leading to arbitrary code execution in the kernel. It was...

UVI-2021-1000368 io_uring: fix overflows checks in provide buffers

iouring: fix overflows checks in provide buffers 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 v5.10.37 by commit...

GSD-2021-1000265 io_uring: fix overflows checks in provide buffers

iouring: fix overflows checks in provide buffers 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 v5.12.4 by commit...

UBUNTU-CVE-2021-3491

The iouring subsystem in the Linux kernel allowed the MAXRWCOUNT limit to be bypassed in the PROVIDEBUFFERS operation, which led to negative values being usedin memrw when reading /proc//mem. This could be used to create a heap overflow leading to arbitrary code execution in the kernel. It was...

PT-2021-7995 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue is related to a buffer overflow in the io provide buffers prep function, which could allow a remote attacker to impact the confidentiality, integrity, and availability of dat...