CVE-2021-47504

In the Linux kernel, the following vulnerability has been resolved: iouring: ensure taskwork gets run as part of cancelations If we successfully cancel a work item but that work item needs to be processed through taskwork, then we can be sleeping uninterruptibly in iouringcancelgeneric and never...

CVE-2021-47569 io_uring: fail cancellation for EXITING tasks

In the Linux kernel, the following vulnerability has been resolved: iouring: fail cancellation for EXITING tasks WARNING: CPU: 1 PID: 20 at fs/iouring.c:6269 iotrycanceluserdata+0x3c5/0x640 fs/iouring.c:6269 CPU: 1 PID: 20 Comm: kworker/1:0 Not tainted 5.16.0-rc1-syzkaller 0 Workqueue: events...

CVE-2021-47569

CVE-2021-47569 : In the Linux kernel io_uring path, cancellation of tasks can fail for EXITING tasks when the callback runs in a fallback path. The issue is triggered during io_uring cancellation logic in fs/io_uring.c (recorded at io_try_cancel_userdata+0x3c5/0x640). The call chain shows timeout...

CVE-2021-47569 io_uring: fail cancellation for EXITING tasks

In the Linux kernel, the following vulnerability has been resolved: iouring: fail cancellation for EXITING tasks WARNING: CPU: 1 PID: 20 at fs/iouring.c:6269 iotrycanceluserdata+0x3c5/0x640 fs/iouring.c:6269 CPU: 1 PID: 20 Comm: kworker/1:0 Not tainted 5.16.0-rc1-syzkaller 0 Workqueue: events...

CVE-2021-47504

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CVE-2021-47504

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CVE-2021-47504

CVE-2021-47504 — Linux kernel io_uring race and task_work handling : Connected sources describe public fixes in the Linux kernel addressing a race in io_uring cancellation. The root cause involved io_uring_cancel_generic() and related paths not reliably processing task_work, which could lead to s...

CVE-2021-47569: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: iouring: fail cancellation for EXITING tasks WARNING: CPU: 1 PID: 20 at fs/iouring.c:6269 iotrycanceluserdata+0x3c5/0x640 fs/iouring.c:6269 CPU: 1 PID: 20 Comm: kworker/1:0 Not tainted 5.16.0-rc1-syzkaller 0 Workqueue: events...

Linux Kernel Security Vulnerabilities

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 the Linux kernel that stems from a failed EXITING task cancelation in the iouring module...

Linux Kernel Security Vulnerabilities

Linux kernel is the kernel used by the Linux Foundation's open source operating system Linux. A security vulnerability exists in the Linux kernel, which stems from a vulnerability in the iouring module...

SUSE CVE-2021-47292

In the Linux kernel, the following vulnerability has been resolved: iouring: fix memleak in ioinitwqoffload I got memory leak report when doing fuzz test: BUG: memory leak unreferenced object 0xffff888107310a80 size 96: comm "syz-executor.6", pid 4610, jiffies 4295140240 age 20.135s hex dump firs...

CVE-2021-47411

This CVE ID has been rejected or withdrawn by its CVE Numbering Authority for the following reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority...

CVE-2021-47292

In the Linux kernel, the following vulnerability has been resolved: iouring: fix memleak in ioinitwqoffload I got memory leak report when doing fuzz test: BUG: memory leak unreferenced object 0xffff888107310a80 size 96: comm "syz-executor.6", pid 4610, jiffies 4295140240 age 20.135s hex dump firs...

CVE-2021-47292

In the Linux kernel, the following vulnerability has been resolved: iouring: fix memleak in ioinitwqoffload I got memory leak report when doing fuzz test: BUG: memory leak unreferenced object 0xffff888107310a80 size 96: comm "syz-executor.6", pid 4610, jiffies 4295140240 age 20.135s hex dump firs...

UBUNTU-CVE-2021-47292

In the Linux kernel, the following vulnerability has been resolved: iouring: fix memleak in ioinitwqoffload I got memory leak report when doing fuzz test: BUG: memory leak unreferenced object 0xffff888107310a80 size 96: comm "syz-executor.6", pid 4610, jiffies 4295140240 age 20.135s hex dump firs...

CVE-2021-47292

In the Linux kernel, the following vulnerability has been resolved: iouring: fix memleak in ioinitwqoffload I got memory leak report when doing fuzz test: BUG: memory leak unreferenced object 0xffff888107310a80 size 96: comm "syz-executor.6", pid 4610, jiffies 4295140240 age 20.135s hex dump firs...

CVE-2021-47411

CVE-2021-47411 entry is rejected/withdrawn by the CVE Numbering Authority.

CVE-2021-47411

Removed by vendor...

CVE-2021-47292

CVE-2021-47292 affects the Linux kernel io_uring subsystem. The issue is a memory leak in io_init_wq_offload() where a leaked hash_map can occur when io_uring_enter() is called in parallel (syz-executor traffic). Root cause: missing synchronization around kzalloc/hash_map updates in io_init_wq_of...

CVE-2021-47292 io_uring: fix memleak in io_init_wq_offload()

In the Linux kernel, the following vulnerability has been resolved: iouring: fix memleak in ioinitwqoffload I got memory leak report when doing fuzz test: BUG: memory leak unreferenced object 0xffff888107310a80 size 96: comm "syz-executor.6", pid 4610, jiffies 4295140240 age 20.135s hex dump firs...