CVE-2025-2884 Out-of-Bounds read vulnerability in TCG TPM2.0 reference implementation
An out-of-bounds read in the TPM2.0 reference implementation allows attackers to read memory or cause denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-2884?
CVE-2025-2884 is a medium-severity memory corruption vulnerability in Trusted Computing Group TPM2.0, published on 10 Jun 2025. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
TCG TPM2.0 Reference implementation's CryptHmacSign helper function is vulnerable to Out-of-Bounds read due to the lack of validation the signature scheme with the signature key's algorithm. See Errata Revision 1.83 and advisory TCGVRT0009 for TCG standard TPM2.0
Weakness: CWE-125
Which versions are affected by CVE-2025-2884?
How do I fix CVE-2025-2884?
No fix has been published for CVE-2025-2884 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-2025-2884 being exploited?
There is no known exploitation of CVE-2025-2884 in the wild and no public exploit code.
Sources
Also known as GHSA-3fxc-2crv-fg9x.