01 Record
CVE-2021-35121
An array index is improperly used to lock and unlock a mutex which can lead to a Use After Free condition In the Synx driver in Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT,
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
An array index is improperly used to lock and unlock a mutex which can lead to a Use After Free condition In the Synx driver in Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT,
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
- 0.15% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 3.9% 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
- 2022-06-14 09:40Z4 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
- CWE-129Improper Validation of Array IndexVariant
- Data version
- 5.1
- Document digest
- 6fa167383f46c547eb2bfccec4674864576cb73d225860cea47f60fbb76b2444
05 Affected products
VendorProductVersionsPlatforms
Qualcomm, Inc.Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon MobileAPQ8053, MSM8953, QCA6390, QCA6391, QCA6426, QCA6436, QCM2290, QCM4290, QCS2290, QCS4290, QRB5165, QRB5165M, QRB5165N, SD460, SD662, SD680, SD690 5G, SD750G, SD765, SD765G, SD768G, SD865 5G, SD870, SDX55M, SDXR2 5G, SM7250P, WCD9326, WCD9370, WCD9375, WCD9380, WCD9385, WCN3615, WCN3680B, WCN3910, WCN3950, WCN3988, WCN3991, WCN3998, WCN6850, WCN6851, WSA8810, WSA8815, WSA8830, WSA8835—