GSD-2023-1001668 io_uring/poll: don't reissue in case of poll race on multishot request
A race condition in the Linux kernel io_uring poll handling can lead to denial of service, requiring local access to exploit.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2023-1001668?
GSD-2023-1001668 is a vulnerability in Kernel, published on 31 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
io_uring/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 36fc7317cdb16cfeae0f879916995037bb615ac4, it was introduced in version v6.1.7 by commit c06015ebc4367be38904b88582e13cc079672075. For more details please see the references link.
Which versions are affected by GSD-2023-1001668?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1001668?
No fix has been published for GSD-2023-1001668 yet. Limit exposure of the affected software until one is available.
Is GSD-2023-1001668 being exploited?
There is no known exploitation of GSD-2023-1001668 in the wild and no public exploit code.