GSD-2021-1001489 udf: Fix NULL pointer dereference in udf_symlink function
A NULL pointer dereference in the Linux kernel UDF filesystem driver can cause 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-2021-1001489?
GSD-2021-1001489 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
udf: Fix NULL pointer dereference in udf_symlink function
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 v4.4.276 by commit 2f3d9ddd32a28803baa547e6274983b67d5e287c. For more details please see the references link.
Which versions are affected by GSD-2021-1001489?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1001489?
No fix has been published for GSD-2021-1001489 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1001489 being exploited?
There is no known exploitation of GSD-2021-1001489 in the wild and no public exploit code.