How severe is CVE-2016-8398?

CVE-2016-8398 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2016-8398 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-8398?

CVE-2016-8398 affects Linux Linux Kernel. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-8398?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2016-8398 published?

CVE-2016-8398 was published on 2017-01-12 and last updated on 2026-06-17.

CVE-2016-8398

CVE-2016-8398 is a critical-severity vulnerability in Linux Linux Kernel with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-254.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-254
Affected product: Linux Linux Kernel
Published: 2017-01-12
Last modified: 2026-06-17

Description

Unauthenticated messages processed by the UE. Certain NAS messages are processed when no EPS security context exists in the UE. Product: Android. Versions: Kernel 3.18. Android ID: A-31548486. References: QC-CR#877705.

Frequently asked questions

What is CVE-2016-8398?: Unauthenticated messages processed by the UE. Certain NAS messages are processed when no EPS security context exists in the UE. Product: Android. Versions: Kernel 3.18. Android ID: A-31548486. References: QC-CR#877705.
How severe is CVE-2016-8398?: CVE-2016-8398 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-8398 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-8398?: CVE-2016-8398 affects Linux Linux Kernel. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-8398?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2016-8398 published?: CVE-2016-8398 was published on 2017-01-12 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:linux:linux_kernel:3.18:*:*:*:*:*:*:*

More vulnerabilities in Linux Linux Kernel

CVE-2023-2163 — Critical (CVSS 10.0): Incorrect verifier pruning in BPF in Linux Kernel >=5.4 leads to unsafe code paths being incorrectly marked as safe,…
CVE-2015-8104 — Critical (CVSS 10.0): The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a…
CVE-2015-1421 — Critical (CVSS 10.0): Use-after-free vulnerability in the sctp_assoc_update function in net/sctp/associola.c in the Linux kernel before…
CVE-2014-2523 — Critical (CVSS 10.0): net/netfilter/nf_conntrack_proto_dccp.c in the Linux kernel through 3.13.6 uses a DCCP header pointer incorrectly,…
CVE-2010-2495 — Critical (CVSS 10.0): The pppol2tp_xmit function in drivers/net/pppol2tp.c in the L2TP implementation in the Linux kernel before 2.6.34 does…
CVE-2010-2521 — Critical (CVSS 10.0): Multiple buffer overflows in fs/nfsd/nfs4xdr.c in the XDR implementation in the NFS server in the Linux kernel before…

All CVEs affecting Linux Linux Kernel →

Other CWE-254 vulnerabilities

CVE-2016-5788 — Critical (CVSS 10.0): General Electric (GE) Bently Nevada 3500/22M USB with firmware before 5.0 and Bently Nevada 3500/22M Serial have open…
CVE-2015-3972 — Critical (CVSS 10.0): The web interface on Janitza UMG 508, 509, 511, 604, and 605 devices supports only short PIN values for authentication,…
CVE-2015-1158 — Critical (CVSS 10.0): The add_job function in scheduler/ipp.c in cupsd in CUPS before 2.0.3 performs incorrect free operations for…
CVE-2019-15149 — Critical (CVSS 9.8): core.py in Mitogen before 0.2.8 has a typo that drops the unidirectional-routing protection mechanism in the case of a…
CVE-2017-8227 — Critical (CVSS 9.8): Amcrest IPM-721S V2.420.AC00.16.R.20160909 devices have a timeout policy to wait for 5 minutes in case 30 incorrect…
CVE-2016-9568 — Critical (CVSS 9.8): A security design issue can allow an unprivileged user to interact with the Carbon Black Sensor and perform…

Browse all CWE-254 vulnerabilities →