CVE-2021-35121 : An array index is improperly used to lock and unlock a mutex which can lead to a

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

Published 2022-06-14 10:15:17

Updated 2022-06-23 20:17:52

Source Qualcomm, Inc.

View at NVD, CVE.org

Vulnerability category: Memory Corruption

Products affected by CVE-2021-35121

Qualcomm » Apq8053 Firmware » Version: N/A
cpe:2.3:o:qualcomm:apq8053_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Apq8053 » Version: N/A
Qualcomm » Msm8953 Firmware » Version: N/A
cpe:2.3:o:qualcomm:msm8953_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Msm8953 » Version: N/A
Qualcomm » Qca6390 Firmware » Version: N/A
cpe:2.3:o:qualcomm:qca6390_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Qca6390 » Version: N/A
Qualcomm » Qca6391 Firmware » Version: N/A
cpe:2.3:o:qualcomm:qca6391_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Qca6391 » Version: N/A
Qualcomm » Wcn3998 Firmware » Version: N/A
cpe:2.3:o:qualcomm:wcn3998_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Wcn3998 » Version: N/A
Qualcomm » Wcn6850 Firmware » Version: N/A
cpe:2.3:o:qualcomm:wcn6850_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Wcn6850 » Version: N/A
Qualcomm » Wcn6851 Firmware » Version: N/A
cpe:2.3:o:qualcomm:wcn6851_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Wcn6851 » Version: N/A
Qualcomm » Wsa8810 Firmware » Version: N/A
cpe:2.3:o:qualcomm:wsa8810_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Wsa8810 » Version: N/A
Qualcomm » Wsa8815 Firmware » Version: N/A
cpe:2.3:o:qualcomm:wsa8815_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Wsa8815 » Version: N/A
Qualcomm » Qrb5165 Firmware » Version: N/A
cpe:2.3:o:qualcomm:qrb5165_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Qrb5165 » Version: N/A
Qualcomm » Qcm4290 Firmware » Version: N/A
cpe:2.3:o:qualcomm:qcm4290_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Qcm4290 » Version: N/A
Qualcomm » Qcs4290 Firmware » Version: N/A
cpe:2.3:o:qualcomm:qcs4290_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Qcs4290 » Version: N/A
Qualcomm » Sdx55m Firmware » Version: N/A
cpe:2.3:o:qualcomm:sdx55m_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Sdx55m » Version: N/A
Qualcomm » Sm7250p Firmware » Version: N/A
cpe:2.3:o:qualcomm:sm7250p_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Sm7250p » Version: N/A
Qualcomm » Qca6426 Firmware » Version: N/A
cpe:2.3:o:qualcomm:qca6426_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Qca6426 » Version: N/A
Qualcomm » Qca6436 Firmware » Version: N/A
cpe:2.3:o:qualcomm:qca6436_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Qca6436 » Version: N/A
Qualcomm » Sd460 Firmware » Version: N/A
cpe:2.3:o:qualcomm:sd460_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Sd460 » Version: N/A
Qualcomm » Sd662 Firmware » Version: N/A
cpe:2.3:o:qualcomm:sd662_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Sd662 » Version: N/A
Qualcomm » Sd690 5g Firmware » Version: N/A
cpe:2.3:o:qualcomm:sd690_5g_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Sd690 5g » Version: N/A
Qualcomm » Sd750g Firmware » Version: N/A
cpe:2.3:o:qualcomm:sd750g_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Sd750g » Version: N/A
Qualcomm » Sd765 Firmware » Version: N/A
cpe:2.3:o:qualcomm:sd765_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Sd765 » Version: N/A
Qualcomm » Sd765g Firmware » Version: N/A
cpe:2.3:o:qualcomm:sd765g_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Sd765g » Version: N/A
Qualcomm » Sd768g Firmware » Version: N/A
cpe:2.3:o:qualcomm:sd768g_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Sd768g » Version: N/A
Qualcomm » Sd865 5g Firmware » Version: N/A
cpe:2.3:o:qualcomm:sd865_5g_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Sd865 5g » Version: N/A
Qualcomm » Sdxr2 5g Firmware » Version: N/A
cpe:2.3:o:qualcomm:sdxr2_5g_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Sdxr2 5g » Version: N/A
Qualcomm » Wcd9326 Firmware » Version: N/A
cpe:2.3:o:qualcomm:wcd9326_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Wcd9326 » Version: N/A
Qualcomm » Wcd9370 Firmware » Version: N/A
cpe:2.3:o:qualcomm:wcd9370_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Wcd9370 » Version: N/A
Qualcomm » Wcd9375 Firmware » Version: N/A
cpe:2.3:o:qualcomm:wcd9375_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Wcd9375 » Version: N/A
Qualcomm » Wcd9380 Firmware » Version: N/A
cpe:2.3:o:qualcomm:wcd9380_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Wcd9380 » Version: N/A
Qualcomm » Wcd9385 Firmware » Version: N/A
cpe:2.3:o:qualcomm:wcd9385_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Wcd9385 » Version: N/A
Qualcomm » Wcn3615 Firmware » Version: N/A
cpe:2.3:o:qualcomm:wcn3615_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Wcn3615 » Version: N/A
Qualcomm » Wcn3680b Firmware » Version: N/A
cpe:2.3:o:qualcomm:wcn3680b_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Wcn3680b » Version: N/A
Qualcomm » Wcn3910 Firmware » Version: N/A
cpe:2.3:o:qualcomm:wcn3910_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Wcn3910 » Version: N/A
Qualcomm » Wcn3950 Firmware » Version: N/A
cpe:2.3:o:qualcomm:wcn3950_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Wcn3950 » Version: N/A
Qualcomm » Wcn3988 Firmware » Version: N/A
cpe:2.3:o:qualcomm:wcn3988_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Wcn3988 » Version: N/A
Qualcomm » Wcn3991 Firmware » Version: N/A
cpe:2.3:o:qualcomm:wcn3991_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Wcn3991 » Version: N/A
Qualcomm » Wsa8830 Firmware » Version: N/A
cpe:2.3:o:qualcomm:wsa8830_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Wsa8830 » Version: N/A
Qualcomm » Wsa8835 Firmware » Version: N/A
cpe:2.3:o:qualcomm:wsa8835_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Wsa8835 » Version: N/A
Qualcomm » Qcm2290 Firmware » Version: N/A
cpe:2.3:o:qualcomm:qcm2290_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Qcm2290 » Version: N/A
Qualcomm » Qcs2290 Firmware » Version: N/A
cpe:2.3:o:qualcomm:qcs2290_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Qcs2290 » Version: N/A
Qualcomm » Sd870 Firmware » Version: N/A
cpe:2.3:o:qualcomm:sd870_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Sd870 » Version: N/A
Qualcomm » Qrb5165n Firmware » Version: N/A
cpe:2.3:o:qualcomm:qrb5165n_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Qrb5165n » Version: N/A
Qualcomm » Qrb5165m Firmware » Version: N/A
cpe:2.3:o:qualcomm:qrb5165m_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Qrb5165m » Version: N/A
Qualcomm » Sd680 Firmware » Version: N/A
cpe:2.3:o:qualcomm:sd680_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Sd680 » Version: N/A

Exploit prediction scoring system (EPSS) score for CVE-2021-35121

EPSS FAQ

0.04%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 10 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-35121

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.6	MEDIUM	AV:L/AC:L/Au:N/C:P/I:P/A:P	3.9	6.4	NIST
Access Vector: Local Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
6.7	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H	0.8	5.9	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: High User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High
6.7	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H	0.8	5.9	Qualcomm, Inc.
Attack Vector: Local Attack Complexity: Low Privileges Required: High User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2021-35121

CWE-129 Improper Validation of Array Index

The product uses untrusted input when calculating or using an array index, but the product does not validate or incorrectly validates the index to ensure the index references a valid position within the array.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-35121

https://www.qualcomm.com/company/product-security/bulletins/june-2022-bulletin

Qualcomm Documentation
Patch;Vendor Advisory

CVEs referencing this url

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Vulnerability Details : CVE-2021-35121

Products affected by CVE-2021-35121

Exploit prediction scoring system (EPSS) score for CVE-2021-35121

CVSS scores for CVE-2021-35121

CWE ids for CVE-2021-35121

References for CVE-2021-35121