How severe is CVE-2019-8413?

CVE-2019-8413 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2019-8413 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-8413?

CVE-2019-8413 affects Mi Mi Mix 2 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-8413?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-8413 published?

CVE-2019-8413 was published on 2019-02-17 and last updated on 2026-06-17.

CVE-2019-8413

CVE-2019-8413 is a medium-severity vulnerability in Mi Mi Mix 2 Firmware with a CVSS 3.x base score of 5.5. 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-476.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.9
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Mi Mi Mix 2 Firmware
Published: 2019-02-17
Last modified: 2026-06-17

Description

On Xiaomi MIX 2 devices with the 4.4.78 kernel, a NULL pointer dereference in the ioctl interface of the device file /dev/elliptic1 or /dev/elliptic0 causes a system crash via IOCTL 0x4008c575 (aka decimal 1074316661).

Frequently asked questions

What is CVE-2019-8413?: On Xiaomi MIX 2 devices with the 4.4.78 kernel, a NULL pointer dereference in the ioctl interface of the device file /dev/elliptic1 or /dev/elliptic0 causes a system crash via IOCTL 0x4008c575 (aka decimal 1074316661).
How severe is CVE-2019-8413?: CVE-2019-8413 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2019-8413 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-8413?: CVE-2019-8413 affects Mi Mi Mix 2 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-8413?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-8413 published?: CVE-2019-8413 was published on 2019-02-17 and last updated on 2026-06-17.

References

https://github.com/datadancer/HIAFuzz/blob/master/MIX2_elliptic.md

Affected products (1)

cpe:2.3:o:mi:mi_mix_2_firmware:4.4.78:*:*:*:*:*:*:*

Other CWE-476 (NULL Pointer Dereference) vulnerabilities

CVE-2022-36648 — Critical (CVSS 10.0): The hardware emulation in the of_dpa_cmd_add_l2_flood of rocker device model in QEMU, as used in 7.0.0 and earlier,…
CVE-2020-14500 — Critical (CVSS 10.0): Secomea GateManager all versions prior to 9.2c, An attacker can send a negative value and overwrite arbitrary data.
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-2026-46195 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: smb: client: validate dacloffset before building…
CVE-2026-31657 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: batman-adv: hold claim backbone gateways by…
CVE-2026-31436 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: fix possible wrong descriptor…

Browse all CWE-476 (NULL Pointer Dereference) vulnerabilities →