CVE-2021-30335

Possible assertion in QOS request due to improper validation when multiple add or update request...

8.4 HighFix available

Possible assertion in QOS request due to improper validation when multiple add or update request are received simultaneously in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

0.16%Down 0.3 points since Jan 3, 2022

What each source reports

CVE List Score used 8.4

Record: CVE-2021-30335
CVSS 3.1: 8.4 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

EUVDEUVD-2021-17266 8.4

Record: EUVD-2021-17266
CVSS 3.1: 8.4 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-03

GitHub AdvisoriesGHSA-xqjc-v8pq-qh2x No score

Possible assertion in QOS request due to improper validation when multiple add or update request...

Record: GHSA-xqjc-v8pq-qh2x
Weakness: CWE-617
Updated: 2026-11-02

NVD 8.4

Record: CVE-2021-30335
CVSS 3.1: 8.4 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 7.2 HighAV:L/AC:L/Au:N/C:C/I:C/A:C
Weakness: CWE-617
Updated: 2026-11-02

Affected products

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Affected packages

Affected packages
Package	Affected	Fixed
`oss/kernel/linux-msm` Android	SoCVersion:0 up to SoCVersion:2021-12-05, plus listed versions SoCVersion	SoCVersion:2021-12-05

History

History
Recorded	Changed	Sources
Nov 4, 2026	facts	OSV
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-30335 is a high vulnerability (CVSS 8.4) in Qualcomm, Inc. Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Iot, Snapdragon Industrial Iot, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure And Networking, published December 1, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.16%, the 5th percentile. Fixed in oss/kernel/linux-msm SoCVersion:2021-12-05.