Description
An issue was discovered in the Linux kernel before 5.8.2. fs/io_uring.c has a use-after-free related to io_async_task_func and ctx reference holding, aka CID-6d816e088c35.
Related CPE's
o
linux
linux_kernel
References
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.2
https://security.netapp.com/advisory/ntap-20210727-0006/
https://sites.google.com/view/syzscope/kasan-use-after-free-read-in-io_async_task_func
https://syzkaller.appspot.com/bug?id=ce5f07d6ec3b5050b8f0728a3b389aa510f2591b
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.2
https://security.netapp.com/advisory/ntap-20210727-0006/
https://sites.google.com/view/syzscope/kasan-use-after-free-read-in-io_async_task_func
https://syzkaller.appspot.com/bug?id=ce5f07d6ec3b5050b8f0728a3b389aa510f2591b
CVSS impact metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.8 · High
Information
Source identifier
Vulnerability status
Modified
Published
2021-06-07T18:15:08.313Z
4 years agoLast modified
2024-11-21T04:29:23.210Z
1 year ago