GSD-2022-1000053 net: fix use-after-free in tw_timer_handler
A use-after-free vulnerability in the Linux kernel's network timer handler allows attackers to potentially execute code or cause a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1000053?
GSD-2022-1000053 is an use after free vulnerability in Kernel, published on 10 Jan 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
net: fix use-after-free in tw_timer_handler
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 v5.15.13 by commit 08eacbd141e2495d2fcdde84358a06c4f95cbb13, it was introduced in version v2.6.27 by commit 61a7e26028b94805fd686a6dc9dbd9941f8f19b0. For more details please see the references link.
Which versions are affected by GSD-2022-1000053?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1000053?
No fix has been published for GSD-2022-1000053 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-2022-1000053 being exploited?
There is no known exploitation of GSD-2022-1000053 in the wild and no public exploit code.