CVE-2021-30334

Possible use after free due to lack of null check of DRM file status after file structure is...

8.4 HighFix available

Possible use after free due to lack of null check of DRM file status after file structure is freed in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Voice & Music, Snapdragon Wearables

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

0.17%Down 0.7 points since Jun 15, 2022

What each source reports

CVE List Score used 8.4

Record: CVE-2021-30334
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-2021-17265 8.4

Record: EUVD-2021-17265
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-c8qj-5qh7-99q4 7.8

Possible use after free due to lack of null check of DRM file status after file structure is...

Record: GHSA-c8qj-5qh7-99q4
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-416
Updated: 2026-11-02

NVD 8.4

Record: CVE-2021-30334
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-416
Updated: 2026-11-02

Affected products

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Affected packages

Affected packages
Package	Affected	Fixed
`:linux_kernel:Qualcomm` Android	SoCVersion:0 up to SoCVersion:2022-04-05, plus listed versions SoCVersion	SoCVersion:2022-04-05
`platform/vendor/opensource/display-drivers` Android	SoCVersion:0 up to SoCVersion:2022-04-05, plus listed versions SoCVersion	SoCVersion:2022-04-05

History

History
Recorded	Changed	Sources
Nov 5, 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-2021-30334 is a high vulnerability (CVSS 8.4) in Qualcomm, Inc. Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Iot, Snapdragon Industrial Iot, Snapdragon Voice & Music, Snapdragon Wearables, published April 1, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.17%, the 5th percentile. Fixed in :linux_kernel:Qualcomm SoCVersion:2022-04-05.