7.8
HIGH
CVE-2021-26386
Qualcomm Snapdragon Stage 2 Bootloader Memory Corruption Vulnerability
Description

A malicious or compromised UApp or ABL may be used by an attacker to issue a malformed system call to the Stage 2 Bootloader potentially leading to corrupt memory and code execution.

INFO

Published Date :

May 12, 2022, 7:15 p.m.

Last Modified :

Aug. 8, 2023, 2:21 p.m.

Source :

[email protected]

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2021-26386 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 Amd ryzen_3_2200u_firmware
2 Amd ryzen_3_2300u_firmware
3 Amd ryzen_3_5125c_firmware
4 Amd ryzen_3_5400u_firmware
5 Amd ryzen_3_5425c_firmware
6 Amd ryzen_3_5425u_firmware
7 Amd ryzen_5_2500u_firmware
8 Amd ryzen_5_2600_firmware
9 Amd ryzen_5_2600h_firmware
10 Amd ryzen_5_2600x_firmware
11 Amd ryzen_5_5560u_firmware
12 Amd ryzen_5_5600h_firmware
13 Amd ryzen_5_5600hs_firmware
14 Amd ryzen_5_5600u_firmware
15 Amd ryzen_5_5600x_firmware
16 Amd ryzen_5_5625c_firmware
17 Amd ryzen_5_5625u_firmware
18 Amd ryzen_5_5700g_firmware
19 Amd ryzen_5_5700ge_firmware
20 Amd ryzen_7_2700_firmware
21 Amd ryzen_7_2700u_firmware
22 Amd ryzen_7_2700x_firmware
23 Amd ryzen_7_2800h_firmware
24 Amd ryzen_7_5800h_firmware
25 Amd ryzen_7_5800hs_firmware
26 Amd ryzen_7_5800u_firmware
27 Amd ryzen_7_5825c_firmware
28 Amd ryzen_7_5825u_firmware
29 Amd ryzen_9_5900hs_firmware
30 Amd ryzen_9_5900hx_firmware
31 Amd ryzen_9_5980hs_firmware
32 Amd ryzen_9_5980hx_firmware
33 Amd ryzen_threadripper_2920x_firmware
34 Amd ryzen_threadripper_2950x_firmware
35 Amd ryzen_threadripper_2970wx_firmware
36 Amd ryzen_threadripper_2990wx_firmware
37 Amd ryzen_threadripper_pro_3945wx_firmware
38 Amd ryzen_threadripper_pro_3955wx_firmware
39 Amd ryzen_threadripper_pro_3975wx_firmware
40 Amd ryzen_threadripper_pro_3995wx_firmware
41 Amd ryzen_threadripper_pro_5945wx_firmware
42 Amd ryzen_threadripper_pro_5955wx_firmware
43 Amd ryzen_threadripper_pro_5965wx_firmware
44 Amd ryzen_threadripper_pro_5975wx_firmware
45 Amd ryzen_threadripper_pro_5995wx_firmware
46 Amd ryzen_3_3100_firmware
47 Amd ryzen_3_3300g_firmware
48 Amd ryzen_3_3300x_firmware
49 Amd ryzen_5_3400g_firmware
50 Amd ryzen_5_3450g_firmware
51 Amd ryzen_5_3600_firmware
52 Amd ryzen_5_3600x_firmware
53 Amd ryzen_7_3700x_firmware
54 Amd ryzen_7_3800x_firmware
55 Amd ryzen_9_3900x_firmware
56 Amd ryzen_9_3950x_firmware
57 Amd ryzen_threadripper_3990x_firmware
58 Amd ryzen_threadripper_3970x_firmware
59 Amd ryzen_threadripper_3960x_firmware
60 Amd ryzen_5300g_firmware
61 Amd ryzen_5300ge_firmware
62 Amd ryzen_5600g_firmware
63 Amd ryzen_5600ge_firmware
64 Amd ryzen_5600x_firmware
65 Amd ryzen_5700g_firmware
66 Amd ryzen_5700ge_firmware
67 Amd ryzen_5800x_firmware
68 Amd ryzen_5800x3d_firmware
69 Amd ryzen_5900x_firmware
70 Amd ryzen_5950x_firmware
: Total Affected Vendor : 1 | Products : 70
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-2021-26386.

URL Resource
https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1027 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-2021-26386 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-26386 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. 01, 2022

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:C/I:C/A:C)
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1027 No Types Assigned https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1027 Vendor Advisory
    Added CWE NIST NVD-CWE-noinfo
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_3_2200u_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_3_2200u:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_3_2300u_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_3_2300u:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_3_3100_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_3_3100:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_3_3300g_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_3_3300g:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_3_3300x_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_3_3300x:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_3_5125c_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_3_5125c:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_3_5400u_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_3_5400u:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_3_5425c_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_3_5425c:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_3_5425u_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_3_5425u:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_5300g_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_5300g:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_5300ge_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_5300ge:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_5600g_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_5600g:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_5600ge_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_5600ge:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_5600x_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_5600x:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_5700g_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_5700g:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_5700ge_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_5700ge:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_5800x_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_5800x:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_5800x3d_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_5800x3d:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_5900x_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_5900x:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_5950x_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_5950x:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_5_2500u_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_5_2500u:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_5_2600_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_5_2600:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_5_2600h_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_5_2600h:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_5_2600x_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_5_2600x:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_5_3400g_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_5_3400g:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_5_3450g_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_5_3450g:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_5_3600_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_5_3600:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_5_3600x_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_5_3600x:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_5_5560u_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_5_5560u:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_5_5600h_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_5_5600h:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_5_5600hs_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_5_5600hs:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_5_5600u_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_5_5600u:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_5_5600x_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_5_5600x:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_5_5625c_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_5_5625c:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_5_5625u_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_5_5625u:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_5_5700g_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_5_5700g:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_5_5700ge_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_5_5700ge:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_7_2700_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_7_2700:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_7_2700u_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_7_2700u:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_7_2700x_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_7_2700x:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_7_2800h_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_7_2800h:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_7_3700x_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_7_3700x:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_7_3800x_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_7_3800x:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_7_5800h_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_7_5800h:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_7_5800hs_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_7_5800hs:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_7_5800u_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_7_5800u:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_7_5825c_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_7_5825c:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_7_5825u_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_7_5825u:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_9_3900x_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_9_3900x:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_9_3950x_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_9_3950x:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_9_5900hs_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_9_5900hs:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_9_5900hx_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_9_5900hx:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_9_5980hs_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_9_5980hs:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_9_5980hx_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_9_5980hx:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_threadripper_2920x_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_threadripper_2920x:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_threadripper_2950x_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_threadripper_2950x:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_threadripper_2970wx_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_threadripper_2970wx:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_threadripper_2990wx_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_threadripper_2990wx:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_threadripper_3960x_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_threadripper_3960x:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_threadripper_3970x_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_threadripper_3970x:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_threadripper_3990x_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_threadripper_3990x:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_threadripper_pro_3945wx_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_threadripper_pro_3945wx:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_threadripper_pro_3955wx_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_threadripper_pro_3955wx:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_threadripper_pro_3975wx_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_threadripper_pro_3975wx:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_threadripper_pro_3995wx_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_threadripper_pro_3995wx:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_threadripper_pro_5945wx_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_threadripper_pro_5945wx:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_threadripper_pro_5955wx_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_threadripper_pro_5955wx:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_threadripper_pro_5965wx_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_threadripper_pro_5965wx:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_threadripper_pro_5975wx_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_threadripper_pro_5975wx:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_threadripper_pro_5995wx_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_threadripper_pro_5995wx:-:*:*:*:*:*:*:*
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-2021-26386 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-2021-26386 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

0.10293

percentile

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