GSD-2023-1001031 udf: Avoid double brelse() in udf_rename()
A double release bug in the Linux kernel UDF filesystem driver can lead to memory corruption and potential denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Not stated
- Victim action needed
- Not stated
- Fix
- None listed
What is GSD-2023-1001031?
GSD-2023-1001031 is an use after free vulnerability in Kernel, published on 17 Jan 2023.
Official description
udf: Avoid double brelse() in udf_rename()
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 v5.15.86 by commit e7a6a53c871460727be09f4414ccb29fb8697526. For more details please see the references link.
Which versions are affected by GSD-2023-1001031?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1001031?
No fix has been published for GSD-2023-1001031 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is GSD-2023-1001031 being exploited?
There is no known exploitation of GSD-2023-1001031 in the wild and no public exploit code.