GSD-2021-1002528 ksmbd: fix memleak in get_file_stream_info()
A memory leak in the Linux kernel's ksmbd SMB server allows remote attackers to cause a denial of service via crafted requests.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2021-1002528?
GSD-2021-1002528 is a memory corruption vulnerability in Kernel, published on 19 Dec 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
ksmbd: fix memleak in get_file_stream_info()
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 v5.15.6 by commit 11e659827c3a2facb3a04e08cc97ff14d5091f51, it was introduced in version v5.15 by commit 34061d6b76a41b1e43c19e1e50d98e5d77f77d4e. For more details please see the references link.
Which versions are affected by GSD-2021-1002528?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002528?
No fix has been published for GSD-2021-1002528 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is GSD-2021-1002528 being exploited?
There is no known exploitation of GSD-2021-1002528 in the wild and no public exploit code.