GSD-2021-1001351 seq_buf: Fix overflow in seq_buf_putmem_hex()
An integer overflow in the Linux kernel's seq_buf_putmem_hex function can lead to a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2021-1001351?
GSD-2021-1001351 is a vulnerability in Kernel, published on 3 Aug 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
seq_buf: Fix overflow in seq_buf_putmem_hex()
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 v5.4.133 by commit 33ab9138a13e379cf1c4ccd76b97ae2ee8c5421b, it was introduced in version v2.6.27 by commit 5e3ca0ec76fce92daa4eed0d02de9c79b1fe3920. For more details please see the references link.
Which versions are affected by GSD-2021-1001351?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1001351?
No fix has been published for GSD-2021-1001351 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1001351 being exploited?
There is no known exploitation of GSD-2021-1001351 in the wild and no public exploit code.