CVE-2023-37027 Null dereference in n/a

Q: Is CVE-2023-37027 being exploited?

There is no known exploitation of CVE-2023-37027 in the wild and no public exploit code.

Q: How do I fix CVE-2023-37027?

No fix has been published for CVE-2023-37027 yet. Limit exposure of the affected software until one is available.

Medium 5.7 Published 21 Jan 2025 Updated 18 Mar 2025

Network-adjacent attackers can crash the Magma MME by sending a malformed S1AP packet, causing a denial of service.

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-2023-37027?

CVE-2023-37027 is a medium-severity vulnerability in n/a, published on 21 Jan 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Null pointer dereference vulnerability in the Mobile Management Entity (MME) in Magma <= 1.8.0 (fixed in v1.9 commit 08472ba98b8321f802e95f5622fa90fec2dea486) allows network-adjacent attackers to crash the MME via an S1AP `E-RAB Modification Indication` packet missing an expected `eNB_UE_S1AP_ID` field.

Weakness: CWE-476

Which versions are affected by CVE-2023-37027?

It affects 1 product.

Products include Linuxfoundation Magma.

How do I fix CVE-2023-37027?

No fix has been published for CVE-2023-37027 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-37027 being exploited?

There is no known exploitation of CVE-2023-37027 in the wild and no public exploit code.

Sources

Also known as GHSA-jj8f-p8pv-qqm3.