GSD-2023-1002021 io_uring/poll: add hash if ready poll request can't complete inline

iouring/poll: add hash if ready poll request can't complete inline 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 v6.1.7 by commit...

GSD-2023-1001985 io_uring/io-wq: only free worker if it was allocated for creation

iouring/io-wq: only free worker if it was allocated for creation 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 v6.1.7 by commit...

GSD-2023-1001984 io_uring: lock overflowing for IOPOLL

iouring: lock overflowing for IOPOLL 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 v6.1.7 by commit 7fc3990dad04a677606337ebc61964094d6cb41b...

GSD-2023-1001962 io_uring/poll: don't reissue in case of poll race on multishot request

iouring/poll: don't reissue in case of poll race on multishot request 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 v6.1.8 by commit...

PT-2023-35060 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v6.1.7 Description: The issue is related to io uring, where a lock overflowing occurs for IOPOLL. The actual impact and attack plausibility have not yet been proven. Recommendations: For Linux Kernel versions...

SUSE-SU-2023:0339-1 Security update for the Linux Kernel (Live Patch 26 for SLE 15 SP3)

This update for the Linux Kernel 5.3.18-15030059101 fixes one issue. The following security issue was fixed: - CVE-2022-2602: Fixed a local privilege escalation vulnerability involving Unix socket Garbage Collection and iouring bsc1205186...

The vulnerability of the io_prep_async_work() function in the io_uring subsystem of the Linux operating system allows a hacker to increase their privileges.

The vulnerability of the ioprepasyncwork function in the iouring subsystem of the Linux operating system is related to the use of previously freed memory. Exploiting this vulnerability can allow an attacker to increase their privileges...

The vulnerability of the io_install_fixed_file() function in the io_uring/filetable.c module of the io_uring subsystem in the Linux kernel allows a hacker to cause a service failure.

The vulnerability of the ioinstallfixedfile function in the iouring/filetable.c module of the iouring subsystem in the Linux kernel is related to the use of previously freed memory. Exploiting this vulnerability could allow an attacker to cause a service failure...

A use-after-free flaw was found in io_uring/poll.c in io_poll_check_events in the io_uring subcomponent in the Linux Kernel due to a race condition of poll_refs. This flaw may cause a NULL pointer dereference.

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CVE-2023-0469

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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...

io_uring Same Type Object Reuse Privilege Escalation Exploit

This module requires Metasploit: https://metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework class MetasploitModule 'iouring Same Type Object Reuse Priv Esc', 'Description' = %q This module exploits a bug in iouring leading to an additional putcred that can be...

GSD-2023-1001787 io_uring/io-wq: only free worker if it was allocated for creation

iouring/io-wq: only free worker if it was allocated for creation 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 v5.10.164 by commit...

GSD-2023-1001786 io_uring: lock overflowing for IOPOLL

iouring: lock overflowing for IOPOLL 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 v5.10.165 by commit de77faee280163ff03b7ab64af6c9d779a43d4c...

GSD-2023-1001753 io_uring/io-wq: only free worker if it was allocated for creation

iouring/io-wq: only free worker if it was allocated for creation 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 v5.15.89 by commit...

GSD-2023-1001730 io_uring/poll: add hash if ready poll request can't complete inline

iouring/poll: add hash if ready poll request can't complete inline 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 v6.1.7 by commit...

GSD-2023-1001691 io_uring/io-wq: only free worker if it was allocated for creation

iouring/io-wq: only free worker if it was allocated for creation 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 v6.1.7 by commit...

GSD-2023-1001690 io_uring: lock overflowing for IOPOLL

iouring: lock overflowing for IOPOLL 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 v6.1.7 by commit 7fc3990dad04a677606337ebc61964094d6cb41b...

GSD-2023-1001668 io_uring/poll: don't reissue in case of poll race on multishot request

iouring/poll: don't reissue in case of poll race on multishot request 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 v6.1.8 by commit...

CVE-2023-0240

There is a logic error in iouring's implementation which can be used to trigger a use-after-free vulnerability leading to privilege escalation. In the ioprepasyncwork function the assumption that the last iograbidentity call cannot return false is not true, and in this case the function will use...