Race condition occurs while calling user space ioctl from two different threads can results to use after free issue in video in Snapdragon…

published 2021-01-21 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-3505

cvss: 6.4; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.1%; EPSS 0.1% chance of exploitation in 30 days, percentile 2%
public exploits: 0; none known

Race condition occurs while calling user space ioctl from two different threads can results to use after free issue in video in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables

Patch / fix

links 1

qualcomm.com/company/product-security/bulletins/december-2020-security-… advisory

Exploit prediction

0.13% chance of exploitation in the next 30 days, higher than 2% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.1	6.4	CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	6.9	AV:L/AC:M/Au:N/C:C/I:C/A:C

Affected products

Qualcomm, Inc. Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables

Classification

Weakness

CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization
CWE-416 Use After Free

References

qualcomm.com /company/product-security/bulletins/december-2020-security-bulletin
patch, vendor-advisory
qualcomm.com /company/product-security/bulletins/december-2020-bulletin
broken-link

Sources

CVE List CVE-2020-11151
NVD CVE-2020-11151

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary