6.7
MEDIUM
CVE-2021-1958
Snapdragon Auto FastRPC Kernel Driver Use After Free Vulnerability
Description

A race condition in fastrpc kernel driver for dynamic process creation can lead to use after free scenario in Snapdragon Auto, Snapdragon Connectivity, Snapdragon Mobile, Snapdragon Wearables

INFO

Published Date :

Sept. 9, 2021, 8:15 a.m.

Last Modified :

June 28, 2022, 2:11 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-2021-1958 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 qca6574au_firmware
2 Qualcomm qca6595au_firmware
3 Qualcomm qca6696_firmware
4 Qualcomm sa6145p_firmware
5 Qualcomm sa6150p_firmware
6 Qualcomm sa6155p_firmware
7 Qualcomm sa8145p_firmware
8 Qualcomm sa8150p_firmware
9 Qualcomm sa8155p_firmware
10 Qualcomm sa8195p_firmware
11 Qualcomm sd888_5g_firmware
12 Qualcomm wcd9341_firmware
13 Qualcomm wcd9380_firmware
14 Qualcomm wcd9385_firmware
15 Qualcomm wcn3980_firmware
16 Qualcomm wcn3988_firmware
17 Qualcomm wcn6850_firmware
18 Qualcomm wcn6851_firmware
19 Qualcomm wcn6855_firmware
20 Qualcomm wcn6856_firmware
21 Qualcomm wsa8830_firmware
22 Qualcomm wsa8835_firmware
23 Qualcomm wcn3991_firmware
24 Qualcomm wcn6750_firmware
25 Qualcomm qca6574a_firmware
26 Qualcomm qca6595_firmware
27 Qualcomm sa8155_firmware
28 Qualcomm wcd9370_firmware
29 Qualcomm wcd9375_firmware
30 Qualcomm wcn6740_firmware
31 Qualcomm wcn3660b_firmware
32 Qualcomm sd480_firmware
33 Qualcomm sda429w_firmware
34 Qualcomm wcn3610_firmware
35 Qualcomm sd778g_firmware
36 Qualcomm sd780g_firmware
37 Qualcomm wcn3620_firmware
38 Qualcomm sm7325_firmware
: Total Affected Vendor : 1 | Products : 38
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-2021-1958.

URL Resource
https://www.qualcomm.com/company/product-security/bulletins/september-2021-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-2021-1958 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-1958 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
  • CWE Remap by [email protected]

    Jun. 28, 2022

    Action Type Old Value New Value
    Changed CWE CWE-416 CWE-362
  • Initial Analysis by [email protected]

    Sep. 22, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:L/AC:M/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://www.qualcomm.com/company/product-security/bulletins/september-2021-bulletin No Types Assigned https://www.qualcomm.com/company/product-security/bulletins/september-2021-bulletin Patch, Vendor Advisory
    Added CWE NIST CWE-416
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qca6574a_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qca6574a:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qca6574au_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qca6574au:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qca6595_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qca6595:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qca6595au_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qca6595au:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qca6696_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qca6696:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sa6145p_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sa6145p:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sa6150p_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sa6150p:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sa6155p_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sa6155p:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sa8145p_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sa8145p:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sa8150p_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sa8150p:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sa8155_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sa8155:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sa8155p_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sa8155p:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sa8195p_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sa8195p:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sd480_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sd480:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sd778g_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sd778g:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sd780g_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sd780g:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sd888_5g_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sd888_5g:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sda429w_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sda429w:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sm7325_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sm7325:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcd9341_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcd9341:-:*:*:*:*:*:*:*
    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:wcn3610_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcn3610:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcn3620_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcn3620:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcn3660b_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcn3660b:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcn3980_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcn3980:-:*:*:*:*:*:*:*
    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:wcn6740_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcn6740:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcn6750_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcn6750:-:*:*:*:*:*:*:*
    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:wcn6855_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcn6855:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcn6856_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcn6856:-:*:*:*:*:*:*:*
    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-2021-1958 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-2021-1958 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

0.10253

percentile

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