GSD-2023-1001267 fs: ext4: initialize fsdata in pagecache_write()
Uninitialized variable in ext4 pagecache_write may cause undefined behavior, requiring a kernel patch for stability.
- 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-2023-1001267?
GSD-2023-1001267 is a vulnerability in Kernel, published on 17 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.
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 v5.10.163 by commit 769469f8f188573431927be905aff50712b34c5a, it was introduced in version v5.4 by commit c93d8f88580921c84d2213161ef3c22560511b84. For more details please see the references link.
Which versions are affected by GSD-2023-1001267?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1001267?
No fix has been published for GSD-2023-1001267 yet. Limit exposure of the affected software until one is available.
Is GSD-2023-1001267 being exploited?
There is no known exploitation of GSD-2023-1001267 in the wild and no public exploit code.