CVE-2021-33137 Memory corruption in Intel(R) Kernelflinger project
An out-of-bounds write in Intel Kernelflinger allows authenticated local users to escalate privileges.
- 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 CVE-2021-33137?
CVE-2021-33137 is a high-severity memory corruption vulnerability in Intel(R) Kernelflinger project, published on 9 Feb 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Out-of-bounds write in the Intel(R) Kernelflinger project may allow an authenticated user to potentially enable escalation of privilege via local access.
Weakness: CWE-787
Which versions are affected by CVE-2021-33137?
It affects 1 product.
Products include Intel Kernelflinger.
How do I fix CVE-2021-33137?
No fix has been published for CVE-2021-33137 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 CVE-2021-33137 being exploited?
There is no known exploitation of CVE-2021-33137 in the wild and no public exploit code.
Sources
Also known as GHSA-9mjx-7c67-crwf.