CVE-2021-1968

lowpriority · track · 22EPSS 0.002 · 7 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.17% (7th) EPSS

CVSS 2.1 · low

Is it mine?

63 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · osv · nvd

EPSS · scored 2026-10-27

Improper validation of kernel buffer address while copying information back to user buffer can lead to kernel memory information exposure to user space in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables

cvss

Technical severity, 0–10. One row per scoring source.

6.2

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 2.1–6.2

v2.02.1lowAV:L/AC:L/Au:N/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 2.9

v3.15.5mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 1.8 · impact 3.6

v3.16.2mediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nsecondary · ENISA EU

v3.16.2mediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nsecondary · product-security@qualcomm.comexploitability 2.5 · impact 3.6

v3.15.1mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USprimary

affected products (63)

Products and version ranges known to be affected.

Qualcomm, Inc. Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables≤ AQT1000, AR8031, AR8035, CSRA6620, CSRA6640, FSM10055, FSM10056, MDM9150, QCA6391, QCA6420, QCA6430, QCA6574, QCA6574A, QCA6574AU, QCA6584AU, QCA6595, QCA6595AU, QCA6696, QCA8337, QCM6125, QCS405, QCS410, QCS610, QCS6125, SA6145P, SA6150P, SA6155, SA6155P, SA8145P, SA8150P, SA8155, SA8155P, SA8195P, SD 675, SD 8C, SD 8CX, SD665, SD675, SD678, SD720G, SD855, SDA429W, SDX55, SDX55M, SM6250, WCD9335, WCD9340, WCD9341, WCD9370, WCD9375, WCD9380, WCN3610, WCN3620, WCN3660B, WCN3950, WCN3980, WCN3988, WCN3991, WCN3998, WCN3999, WSA8810, WSA8815enisa_euvdEU
qualcomm aqt1000 firmwareall versionsnvdUScpe:2.3:o:qualcomm:aqt1000_firmware:*:*:*:*:*:*:*:*
qualcomm ar8031 firmwareall versionsnvdUScpe:2.3:o:qualcomm:ar8031_firmware:*:*:*:*:*:*:*:*
qualcomm ar8035 firmwareall versionsnvdUScpe:2.3:o:qualcomm:ar8035_firmware:*:*:*:*:*:*:*:*
qualcomm csra6620 firmwareall versionsnvdUScpe:2.3:o:qualcomm:csra6620_firmware:*:*:*:*:*:*:*:*
qualcomm csra6640 firmwareall versionsnvdUScpe:2.3:o:qualcomm:csra6640_firmware:*:*:*:*:*:*:*:*
qualcomm fsm10055 firmwareall versionsnvdUScpe:2.3:o:qualcomm:fsm10055_firmware:*:*:*:*:*:*:*:*
qualcomm fsm10056 firmwareall versionsnvdUScpe:2.3:o:qualcomm:fsm10056_firmware:*:*:*:*:*:*:*:*
qualcomm mdm9150 firmwareall versionsnvdUScpe:2.3:o:qualcomm:mdm9150_firmware:*:*:*:*:*:*:*:*
qualcomm qca6391 firmwareall versionsnvdUScpe:2.3:o:qualcomm:qca6391_firmware:*:*:*:*:*:*:*:*
qualcomm qca6420 firmwareall versionsnvdUScpe:2.3:o:qualcomm:qca6420_firmware:*:*:*:*:*:*:*:*
qualcomm qca6430 firmwareall versionsnvdUScpe:2.3:o:qualcomm:qca6430_firmware:*:*:*:*:*:*:*:*
qualcomm qca6574 firmwareall versionsnvdUScpe:2.3:o:qualcomm:qca6574_firmware:*:*:*:*:*:*:*:*
qualcomm qca6574a firmwareall versionsnvdUScpe:2.3:o:qualcomm:qca6574a_firmware:*:*:*:*:*:*:*:*
qualcomm qca6574au firmwareall versionsnvdUScpe:2.3:o:qualcomm:qca6574au_firmware:*:*:*:*:*:*:*:*
qualcomm qca6584au firmwareall versionsnvdUScpe:2.3:o:qualcomm:qca6584au_firmware:*:*:*:*:*:*:*:*
qualcomm qca6595 firmwareall versionsnvdUScpe:2.3:o:qualcomm:qca6595_firmware:*:*:*:*:*:*:*:*
qualcomm qca6595au firmwareall versionsnvdUScpe:2.3:o:qualcomm:qca6595au_firmware:*:*:*:*:*:*:*:*
qualcomm qca6696 firmwareall versionsnvdUScpe:2.3:o:qualcomm:qca6696_firmware:*:*:*:*:*:*:*:*
qualcomm qca8337 firmwareall versionsnvdUScpe:2.3:o:qualcomm:qca8337_firmware:*:*:*:*:*:*:*:*

showing 20 of 63

advisories (1)

Vendor and ecosystem advisories describing this.

PUB-A-1845644922021-10-01vendor · osvUS

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv nvd NVD CVE.org MITRE

published 2021-10-20modified 2026-06-17

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+25171 more

references (10)

External citations — patches, advisories, analysis.

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