GSD-2022-1001021 net/tls: fix slab-out-of-bounds bug in decrypt_internal
A slab-out-of-bounds bug in the Linux kernel TLS decryption allows attackers to cause denial of service or potentially execute code.
- 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-2022-1001021?
GSD-2022-1001021 is a memory corruption vulnerability in Kernel, published on 24 Apr 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
net/tls: fix slab-out-of-bounds bug in decrypt_internal
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 v5.17.3 by commit 2304660ab6c425df64d95301b601424c6a50f28b, it was introduced in version v5.2 by commit f295b3ae9f5927e084bd5decdff82390e3471801. For more details please see the references link.
Which versions are affected by GSD-2022-1001021?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1001021?
No fix has been published for GSD-2022-1001021 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-2022-1001021 being exploited?
There is no known exploitation of GSD-2022-1001021 in the wild and no public exploit code.