GSD-2021-1002018 IB/qib: Protect from buffer overflow in struct qib_user_sdma_pkt fields
A buffer overflow in the IB/qib kernel driver allows local attackers to potentially escalate privileges or cause a system crash.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2021-1002018?
GSD-2021-1002018 is a memory corruption vulnerability in Kernel, published on 14 Nov 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
IB/qib: Protect from buffer overflow in struct qib_user_sdma_pkt fields
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 v5.4.157 by commit 0f8cdfff06829a0b0348b6debc29ff6a61967724, it was introduced in version v2.6.35 by commit f931551bafe1f10ded7f5282e2aa162c267a2e5d. For more details please see the references link.
Which versions are affected by GSD-2021-1002018?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002018?
No fix has been published for GSD-2021-1002018 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-2021-1002018 being exploited?
There is no known exploitation of GSD-2021-1002018 in the wild and no public exploit code.