What is CVE-2018-5891?

CVE-2018-5891 is a high-severity vulnerability in Qualcomm Msm8909w, classified under Use After Free. CVSS score: 8.4/10. Published 2018-07-06.

How severe is CVE-2018-5891?

High severity. CVSS v3 base score is 8.4 out of 10.

Is CVE-2018-5891 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Use After Free in Qualcomm Msm8909w

CVE-2018-5891

While processing modem SSR after IMS is registered, the IMS data daemon is restarted but the ipc_dataHandle is no longer available. Consequently, the DPL thread frees the internal memory for dataDHandle but the local variable pointer is not updated which can lead to a Use After Free condition in Snapdragon Mobile and Snapdragon Wear.

Vulnerability class: Use-After-Free

EPSS: 0.002 (13.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.4 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-416 — Use After Free

Public proof-of-concept exploits

ARPSyndicate/cvemon

References

product-security@qualcomm.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2018-5891?: CVE-2018-5891 is a high-severity vulnerability in Qualcomm Msm8909w, classified under Use After Free. CVSS score: 8.4/10. Published 2018-07-06.
How severe is CVE-2018-5891?: High severity. CVSS v3 base score is 8.4 out of 10.
Is CVE-2018-5891 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.