synced 6 MIN AGO
01 Record

CVE-2021-35133

Use after free in the synx driver issue while performing other functions during multiple invocation of synx release calls in Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile

MediumPUBLISHEDCNA: qualcomm
CNA base score6.7 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

02 Description

Use after free in the synx driver issue while performing other functions during multiple invocation of synx release calls in Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.12% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 1.8% of scored records. A rank, not a probability.
NVD base score
6.7 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2022-09-02 11:31Z4 YR AGO
Last updated
2024-08-04 00:33Z2 YR AGO
Reserved
2021-06-21
Assigning CNA
qualcomm
Record state
PUBLISHED
Severity
Medium (CVSS 6.7)
CNA CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weaknesses
Data version
5.1
Document digest
6be37b990aee9df688040c9884a7fdd038edda215fbd7d34dce0aee55e635d2f

05 Affected products

VendorProductVersionsPlatforms
Qualcomm, Inc.Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon MobileAR8035, QCA6174A, QCA6391, QCA8081, QCA8337, QCA9377, QCM6490, QCS6490, SD 8 Gen1 5G, SD480, SD780G, SD888 5G, SDX12, SDX65, SM7450, SM8475, SM8475P, WCD9335, WCD9341, WCD9370, WCD9375, WCD9380, WCD9385, WCN3988, WCN3991, WCN6740, WCN6750, WCN6850, WCN6851, WCN6855, WCN6856, WCN7850, WCN7851, WSA8830, WSA8832, WSA8835—

06 References