Medium severity · published Jun 14, 2022
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,…
6.7
CVSS
0.2%
EPSS
No
On KEV
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, Snapdragon Mobile
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 4% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AF
Apq8053 Firmware · Qualcomm
All versions, or not specified · source: NVD
MF
Msm8953 Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qca6390 Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qca6391 Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qca6426 Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qca6436 Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qcm2290 Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qcm4290 Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qcs2290 Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qcs4290 Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qrb5165 Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qrb5165m Firmware · Qualcomm
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-35121
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-35121
Patch
https://www.qualcomm.com/company/product-security/bulletins/june-2022-bulletin
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