CVE-2024-24421: A type confusion in the nas_message_decode function of Magma <= 1.8.0 (fixed in v1.9 commit 08472ba98b8321f802

Q: How do I fix CVE-2024-24421?

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

Q: Is CVE-2024-24421 being exploited?

CVE-2024-24421 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-2024-24421 affect?

CVE-2024-24421 affects magma. Severity is critical (CVSS 9.8). A type confusion in the nas_message_decode function of Magma <= 1.8.0 (fixed in v1.9 commit 08472ba98b8321f802e95f5622fa90fec2dea486) allows attackers to execute arbitrary code or cause a Denial of Service (DoS) via a crafted NAS packet.

Q: How urgent is CVE-2024-24421?

Priority 68/100. Critical severity; Public exploit reference; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action; On your watchlist

This week

CRITICAL 9.8REMOTEWATCHLISTUPGRADE

CVE-2024-24421 is a critical-severity flaw (CVSS 9.8) affecting magma. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A type confusion in the nas_message_decode function of Magma <= 1.8.0 (fixed in v1.9 commit 08472ba98b8321f802e95f5622fa90fec2dea486) allows attackers to execute arbitrary code or cause a Denial of Service (DoS) via a crafted NAS packet.

Why this priority

Critical severity
Public exploit reference
CISA SSVC: automatable with total technical impact
Remotely exploitable, no login, no user action
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.0% (top 38%)
CISA exploited list	No
Weakness	CWE-94
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 07:14 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.

Exact fixes by distribution

Fedora 46 · opensips · FIXED · 4.0.3-1.fc46 · FEDORA-2026-6700a0026c · source

sudo dnf upgrade --advisory=FEDORA-2026-6700a0026c

Fedora ELN · ibus-typing-booster · FIXED · 2.31.3-1.eln159 · FEDORA-2026-c895c68d60 · source

sudo dnf upgrade --advisory=FEDORA-2026-c895c68d60

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Write-up: cellularsecurity.org/ransacked

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-2024-24421?

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

Is CVE-2024-24421 being exploited?

CVE-2024-24421 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-2024-24421 affect?

CVE-2024-24421 affects magma. Severity is critical (CVSS 9.8). A type confusion in the nas_message_decode function of Magma <= 1.8.0 (fixed in v1.9 commit 08472ba98b8321f802e95f5622fa90fec2dea486) allows attackers to execute arbitrary code or cause a Denial of Service (DoS) via a crafted NAS packet.

How urgent is CVE-2024-24421?

Priority 68/100. Critical severity; Public exploit reference; CISA SSVC: automatable with total technical impact; 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-2024-24420 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
CVE-2024-24418 HIGH 7.5 UPGRADE The Linux Foundation Magma <= 1.8.0 (fixed in v1.9 commit 08472ba98b8321f802e95f5622fa90fec2dea486) was discov

References

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