GSD-2023-1000444 fs: ext4: initialize fsdata in pagecache_write()
Uninitialized variable in ext4 pagecache_write may lead to undefined behavior, requiring kernel patching.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Not stated
- Victim action needed
- Not stated
- Fix
- None listed
What is GSD-2023-1000444?
GSD-2023-1000444 is a vulnerability in Kernel, published on 17 Jan 2023.
Official description
fs: ext4: initialize fsdata in pagecache_write()
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 v6.0.18 by commit 48e3e1c2f6994c8ba2061e10dd880934fc74d61c, it was introduced in version v5.4 by commit c93d8f88580921c84d2213161ef3c22560511b84. For more details please see the references link.
Which versions are affected by GSD-2023-1000444?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000444?
No fix has been published for GSD-2023-1000444 yet. Limit exposure of the affected software until one is available.
Is GSD-2023-1000444 being exploited?
There is no known exploitation of GSD-2023-1000444 in the wild and no public exploit code.