6.7
MEDIUM
CVE-2021-35121
"Synx Driver Mutex Use After Free Vulnerability"
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

INFO

Published Date :

June 14, 2022, 10:15 a.m.

Last Modified :

June 23, 2022, 8:17 p.m.

Source :

[email protected]

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

0.8
Affected Products

The following products are affected by CVE-2021-35121 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Qualcomm qca6390_firmware
2 Qualcomm qca6391_firmware
3 Qualcomm qca6426_firmware
4 Qualcomm qca6436_firmware
5 Qualcomm sd865_5g_firmware
6 Qualcomm sd870_firmware
7 Qualcomm sdx55m_firmware
8 Qualcomm sdxr2_5g_firmware
9 Qualcomm wcd9380_firmware
10 Qualcomm wcd9385_firmware
11 Qualcomm wcn3988_firmware
12 Qualcomm wcn3998_firmware
13 Qualcomm wcn6850_firmware
14 Qualcomm wcn6851_firmware
15 Qualcomm wsa8810_firmware
16 Qualcomm wsa8815_firmware
17 Qualcomm wsa8830_firmware
18 Qualcomm wsa8835_firmware
19 Qualcomm wcn3991_firmware
20 Qualcomm qcm2290_firmware
21 Qualcomm qcm4290_firmware
22 Qualcomm qcs2290_firmware
23 Qualcomm qcs4290_firmware
24 Qualcomm qrb5165m_firmware
25 Qualcomm qrb5165n_firmware
26 Qualcomm qrb5165_firmware
27 Qualcomm sd460_firmware
28 Qualcomm sd662_firmware
29 Qualcomm sm7250p_firmware
30 Qualcomm wcd9326_firmware
31 Qualcomm wcd9370_firmware
32 Qualcomm wcd9375_firmware
33 Qualcomm wcn3910_firmware
34 Qualcomm wcn3950_firmware
35 Qualcomm wcn3680b_firmware
36 Qualcomm sd690_5g_firmware
37 Qualcomm sd765_firmware
38 Qualcomm sd765g_firmware
39 Qualcomm sd768g_firmware
40 Qualcomm wcn3615_firmware
41 Qualcomm sd680_firmware
42 Qualcomm sd750g_firmware
43 Qualcomm apq8053_firmware
44 Qualcomm msm8953_firmware
: Total Affected Vendor : 1 | Products : 44
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-35121.

URL Resource
https://www.qualcomm.com/company/product-security/bulletins/june-2022-bulletin Patch Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-35121 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-35121 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Jun. 23, 2022

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://www.qualcomm.com/company/product-security/bulletins/june-2022-bulletin No Types Assigned https://www.qualcomm.com/company/product-security/bulletins/june-2022-bulletin Patch, Vendor Advisory
    Added CWE NIST CWE-129
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:apq8053_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:apq8053:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:msm8953_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:msm8953:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qca6390_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qca6390:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qca6391_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qca6391:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qca6426_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qca6426:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qca6436_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qca6436:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qcm2290_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qcm2290:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qcm4290_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qcm4290:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qcs2290_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qcs2290:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qcs4290_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qcs4290:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qrb5165_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qrb5165:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qrb5165m_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qrb5165m:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qrb5165n_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qrb5165n:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sd460_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sd460:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sd662_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sd662:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sd680_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sd680:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sd690_5g_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sd690_5g:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sd750g_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sd750g:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sd765_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sd765:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sd765g_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sd765g:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sd768g_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sd768g:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sd865_5g_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sd865_5g:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sd870_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sd870:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sdx55m_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sdx55m:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sdxr2_5g_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sdxr2_5g:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sm7250p_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sm7250p:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcd9326_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcd9326:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcd9370_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcd9370:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcd9375_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcd9375:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcd9380_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcd9380:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcd9385_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcd9385:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcn3615_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcn3615:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcn3680b_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcn3680b:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcn3910_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcn3910:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcn3950_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcn3950:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcn3988_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcn3988:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcn3991_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcn3991:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcn3998_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcn3998:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcn6850_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcn6850:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcn6851_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcn6851:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wsa8810_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wsa8810:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wsa8815_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wsa8815:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wsa8830_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wsa8830:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wsa8835_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wsa8835:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-35121 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-35121 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.04 }} 0.00%

score

0.10257

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: