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CVE-2021-1968

Improper validation of kernel buffer address while copying information back to user buffer can...

6.2 MediumFix available

CVE-2021-1968 is a medium vulnerability (CVSS 6.2) in Qualcomm, Inc. Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer Iot, Snapdragon Industrial Iot, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, published October 1, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.17%, the 6th percentile. Fixed in :linux_kernel:Qualcomm SoCVersion:2021-10-05.

Severity
6.2 MediumCVSS 3.1, CVE List
Exploit chance
0.17%EPSS, 6th percentile
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
SoCVersion:2021-10-05:linux_kernel:Qualcomm

Description

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

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
None
Availability
None

Exploit likelihood

0.17%Down 0.2 points since Oct 20, 2021
90%50%10%1%

Affected products

Show 51 moreShow less

Affected packages

Affected packages
PackageAffectedFixed
:linux_kernel:Qualcomm
Android
SoCVersion:0 up to SoCVersion:2021-10-05, plus listed versions
SoCVersion
SoCVersion:2021-10-05

What each source reports

CVE List Score used6.2

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

Record
CVE-2021-1968
CVSS 3.1
6.2 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Updated
2026-11-02
EUVDEUVD-2021-74326.2

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

Record
EUVD-2021-7432
CVSS 3.1
6.2 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Updated
2026-11-03
GitHub AdvisoriesGHSA-wxm4-276x-4v9j5.5

Improper validation of kernel buffer address while copying information back to user buffer can...

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

Record
GHSA-wxm4-276x-4v9j
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness
CWE-20, CWE-668
Updated
2026-11-02
NVD6.2

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

Record
CVE-2021-1968
CVSS 3.1
6.2 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0
2.1 LowAV:L/AC:L/Au:N/C:P/I:N/A:N
Weakness
CWE-20
Updated
2026-11-02

History

History
RecordedChangedSources
factsOSV
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

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

References

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