GSD-2022-1001749 ax25: fix UAF bug in ax25_send_control()
A use-after-free bug in the Linux kernel AX.25 protocol implementation could allow attackers to execute code or cause a 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-2022-1001749?
GSD-2022-1001749 is an use after free vulnerability in Kernel, published on 24 Apr 2022.
Official description
ax25: fix UAF bug in ax25_send_control()
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 v5.15.35 by commit 1bf8946d5826788c82971977245bcd3313678eac, it was introduced in version v5.15.35 by commit 452ae92b99062d2f6a34324eaf705a3b7eac9f8b. For more details please see the references link.
Which versions are affected by GSD-2022-1001749?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1001749?
No fix has been published for GSD-2022-1001749 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-2022-1001749 being exploited?
There is no known exploitation of GSD-2022-1001749 in the wild and no public exploit code.