PT-2022-6542 · Linux +5 · Linux Kernel +5

Name of the Vulnerable Software and Affected Versions: Linux Kernel affected versions not specified Description: A use-after-free vulnerability in the Linux Kernel io uring system can be exploited to achieve local privilege escalation. The io file get fixed function lacks the presence of ctx-urin...

io_uring Same Type Object Reuse Priv Esc

This module exploits a bug in iouring leading to an additional putcred that can be exploited to hijack credentials of other processes. We spawn SUID programs to get the free'd cred object reallocated by a privileged process and abuse them to create a SUID root binary ourselves that'll pop a shell...

GSD-2022-1000862 io_uring: add a schedule point in io_add_buffers()

iouring: add a schedule point in ioaddbuffers 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 v5.10.103 by commit...

GSD-2022-1000819 io_uring: disallow modification of rsrc_data during quiesce

iouring: disallow modification of rsrcdata during quiesce 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 v5.15.26 by commit...

GSD-2022-1000811 io_uring: add a schedule point in io_add_buffers()

iouring: add a schedule point in ioaddbuffers 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 v5.15.26 by commit...

GSD-2022-1000753 io_uring: disallow modification of rsrc_data during quiesce

iouring: disallow modification of rsrcdata during quiesce 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 v5.16.12 by commit...

GSD-2022-1000745 io_uring: add a schedule point in io_add_buffers()

iouring: add a schedule point in ioaddbuffers 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 v5.16.12 by commit...

Exploit for Release of Invalid Pointer or Reference in Linux Linux_Kernel

LinuxLPEiouringCVE-2021-41073 LPE exploit for CVE-2021-41...

Ubuntu: Security Advisory (USN-4950-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 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...

GSD-2021-1002602 io_uring: ensure task_work gets run as part of cancelations

iouring: ensure taskwork gets run as part of cancelations 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 v5.15.8 by commit...

GSD-2021-1002527 io_uring: fail cancellation for EXITING tasks

iouring: fail cancellation for EXITING tasks 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 v5.15.6 by commit...

GSD-2021-1002526 io_uring: fix link traversal locking

iouring: fix link traversal locking 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 v5.15.6 by commit 1c939a53b26b6b39378a77f76a49be8dd6df7af0, ...

UVI-2021-1001702 io_uring: allow conditional reschedule for intensive iterators

iouring: allow conditional reschedule for intensive iterators 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 v5.14.11 by commit...

GSD-2021-1001702 io_uring: allow conditional reschedule for intensive iterators

iouring: allow conditional reschedule for intensive iterators 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 v5.14.11 by commit...

USN-5106-1 linux-oem-5.10 vulnerabilities

Valentina Palmiotti discovered that the iouring subsystem in the Linux kernel could be coerced to free adjacent memory. A local attacker could use this to execute arbitrary code. CVE-2021-41073 It was discovered that the Linux kernel did not properly enforce certain types of entries in the Secure...

The vulnerability of the io_uring subsystem in the Linux operating system, related to writing beyond the buffer boundaries in memory, allows a hacker to execute arbitrary code.

The vulnerability of the iouring subsystem in the Linux operating system is related to writing beyond the buffer boundaries in memory. Exploiting this vulnerability can allow an attacker to execute arbitrary code...

Updated kernel-linus packages fix security vulnerabilities

This kernel-linus update is based on upstream 5.10.70 and fixes at least the following security issues: Use-after-free vulnerability in the Linux kernel exploitable by a local attacker due to reuse of a DCCP socket with an attached dccpshctxccid object as a listener after being released...

loop_rw_iter in fs/io_uring.c in the Linux kernel 5.10 through 5.14.6 allows local users to gain privileges by using IORING_OP_PROVIDE_BUFFERS to trigger a free of a kernel buffer as demonstrated by using /proc/<pid>/maps for exploitation.

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USN-5096-1 linux-oem-5.13 vulnerabilities

Valentina Palmiotti discovered that the iouring subsystem in the Linux kernel could be coerced to free adjacent memory. A local attacker could use this to execute arbitrary code. CVE-2021-41073 Benedict Schlueter discovered that the BPF subsystem in the Linux kernel did not properly protect again...

USN-5092-2 linux-hwe-5.11, linux-azure, linux-azure-5.11, linux-oracle-5.11 vulnerabilities

Valentina Palmiotti discovered that the iouring subsystem in the Linux kernel could be coerced to free adjacent memory. A local attacker could use this to execute arbitrary code. CVE-2021-41073 Ofek Kirzner, Adam Morrison, Benedict Schlueter, and Piotr Krysiuk discovered that the BPF verifier in...