CVE-2023-37029: Magma versions <= 1.8.0 (fixed in v1.9 commit 08472ba98b8321f802e95f5622fa90fec2dea486) are susceptible to an

Q: How do I fix CVE-2023-37029?

magma: upgrade to newer than 1.8.0. Exact commands for each OS are on this page.

Q: Is CVE-2023-37029 being exploited?

CVE-2023-37029 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-37029 affect?

CVE-2023-37029 affects magma. Severity is high (CVSS 7.5). Magma versions <= 1.8.0 (fixed in v1.9 commit 08472ba98b8321f802e95f5622fa90fec2dea486) are susceptible to an assertion-based crash when an oversized NAS packet is received. An attacker may leverage this behavior to repeatedly crash the MME

Q: How urgent is CVE-2023-37029?

Priority 54/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action; On your watchlist

This week

HIGH 7.5REMOTEWATCHLISTUPGRADE

CVE-2023-37029 is a high-severity flaw (CVSS 7.5) affecting magma. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Magma versions <= 1.8.0 (fixed in v1.9 commit 08472ba98b8321f802e95f5622fa90fec2dea486) are susceptible to an assertion-based crash when an oversized NAS packet is received. An attacker may leverage this behavior to repeatedly crash the MME via either a compromised base station or via an unauthenticated cellphone within range of a base station managed by the MME, causing a denial of service.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.6% (top 49%)
CISA exploited list	No
Weakness	CWE-617
Published	2025-01-21
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: linuxfoundation

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-01-21 23:15 UTCPublished CVE record published
2026-06-17 06:07 UTCUpdated Record last modified

linuxfoundation magma UPGRADE

Affected: <= 1.8.0

Fixed in: newer than 1.8.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy magma || rpm -q magma || magma --version

2. UPGRADE to newer than 1.8.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade magma

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade magma

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-37029?

magma: upgrade to newer than 1.8.0. Exact commands for each OS are on this page.

Is CVE-2023-37029 being exploited?

CVE-2023-37029 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-37029 affect?

CVE-2023-37029 affects magma. Severity is high (CVSS 7.5). Magma versions <= 1.8.0 (fixed in v1.9 commit 08472ba98b8321f802e95f5622fa90fec2dea486) are susceptible to an assertion-based crash when an oversized NAS packet is received. An attacker may leverage this behavior to repeatedly crash the MME

How urgent is CVE-2023-37029?

Priority 54/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action; On your watchlist

Related CVEs

CVE-2024-24423 HIGH 7.5 UPGRADE The Linux Foundation Magma <= 1.8.0 (fixed in v1.9 commit 08472ba98b8321f802e95f5622fa90fec2dea486) was discov
CVE-2024-24422 HIGH 7.5 UPGRADE The Linux Foundation Magma <= 1.8.0 (fixed in v1.9 commit 08472ba98b8321f802e95f5622fa90fec2dea486) was discov
CVE-2024-24421 CRITICAL 9.8 UPGRADE A type confusion in the nas_message_decode function of Magma <= 1.8.0 (fixed in v1.9 commit 08472ba98b8321f802
CVE-2024-24420 HIGH 7.5 UPGRADE A reachable assertion in the decode_linked_ti_ie function of Magma <= 1.8.0 (fixed in v1.9 commit 08472ba98b83
CVE-2024-24419 HIGH 7.5 UPGRADE The Linux Foundation Magma <= 1.8.0 (fixed in v1.9 commit 08472ba98b8321f802e95f5622fa90fec2dea486) was discov

References

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