7.1
HIGH
CVE-2021-3743
Qualcomm Linux IPC Router Out-of-Bounds Memory Read Vulnerability
Description

An out-of-bounds (OOB) memory read flaw was found in the Qualcomm IPC router protocol in the Linux kernel. A missing sanity check allows a local attacker to gain access to out-of-bounds memory, leading to a system crash or a leak of internal kernel information. The highest threat from this vulnerability is to system availability.

INFO

Published Date :

March 4, 2022, 4:15 p.m.

Last Modified :

Nov. 9, 2023, 2:44 p.m.

Source :

[email protected]

Remotely Exploitable :

No

Impact Score :

5.2

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2021-3743 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 Netapp h410c_firmware
2 Netapp h300s_firmware
3 Netapp h500s_firmware
4 Netapp h700s_firmware
5 Netapp h410s_firmware
6 Netapp h300e_firmware
7 Netapp h500e_firmware
8 Netapp h700e_firmware
1 Oracle communications_cloud_native_core_policy
2 Oracle communications_cloud_native_core_binding_support_function
3 Oracle communications_cloud_native_core_network_exposure_function
1 Linux linux_kernel
1 Fedoraproject fedora
: Total Affected Vendor : 4 | Products : 13
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-2021-3743.

URL Resource
https://bugzilla.redhat.com/show_bug.cgi?id=1997961 Issue Tracking Patch Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=7e78c597c3eb Patch Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7e78c597c3ebfd0cb329aa09a838734147e4f117 Patch Vendor Advisory
https://github.com/torvalds/linux/commit/7e78c597c3ebfd0cb329aa09a838734147e4f117 Patch Third Party Advisory
https://lists.openwall.net/netdev/2021/08/17/124 Exploit Mailing List Third Party Advisory
https://security.netapp.com/advisory/ntap-20220407-0007/ Third Party Advisory
https://www.openwall.com/lists/oss-security/2021/08/27/2 Exploit Mailing List Patch Third Party Advisory
https://www.oracle.com/security-alerts/cpujul2022.html Patch Third Party 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-2021-3743 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-3743 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
  • CPE Deprecation Remap by [email protected]

    Nov. 09, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:h:netapp:baseboard_management_controller_h410c:-:*:*:*:*:*:*:* OR *cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Nov. 09, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:h:netapp:baseboard_management_controller_h300s:-:*:*:*:*:*:*:* OR *cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Nov. 09, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:h:netapp:baseboard_management_controller_h500s:-:*:*:*:*:*:*:* OR *cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Nov. 09, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:h:netapp:baseboard_management_controller_h700s:-:*:*:*:*:*:*:* OR *cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Nov. 09, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:h:netapp:baseboard_management_controller_h300e:-:*:*:*:*:*:*:* OR *cpe:2.3:h:netapp:h300e:-:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Nov. 09, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:h:netapp:baseboard_management_controller_h500e:-:*:*:*:*:*:*:* OR *cpe:2.3:h:netapp:h500e:-:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Nov. 09, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:h:netapp:baseboard_management_controller_h700e:-:*:*:*:*:*:*:* OR *cpe:2.3:h:netapp:h700e:-:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Nov. 09, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:h:netapp:baseboard_management_controller_h410s:-:*:*:*:*:*:*:* OR *cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:*
  • Modified Analysis by [email protected]

    Feb. 24, 2023

    Action Type Old Value New Value
    Changed Reference Type https://www.oracle.com/security-alerts/cpujul2022.html No Types Assigned https://www.oracle.com/security-alerts/cpujul2022.html Patch, Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:22.1.3:*:*:*:*:*:*:* *cpe:2.3:a:oracle:communications_cloud_native_core_network_exposure_function:22.1.1:*:*:*:*:*:*:* *cpe:2.3:a:oracle:communications_cloud_native_core_policy:22.2.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Feb. 12, 2023

    Action Type Old Value New Value
    Removed CVSS V3.1 Red Hat, Inc. AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Removed Reference https://access.redhat.com/errata/RHSA-2022:1975 [No Types Assigned]
    Removed Reference https://access.redhat.com/errata/RHSA-2022:1988 [No Types Assigned]
    Removed Reference https://access.redhat.com/security/cve/CVE-2021-3743 [No Types Assigned]
    Added CWE Red Hat, Inc. CWE-125
  • CVE Modified by [email protected]

    Feb. 02, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 Red Hat, Inc. AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Added Reference https://access.redhat.com/errata/RHSA-2022:1988 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2022:1975 [No Types Assigned]
    Added Reference https://access.redhat.com/security/cve/CVE-2021-3743 [No Types Assigned]
    Removed CWE Red Hat, Inc. CWE-125
  • CVE Modified by [email protected]

    Jul. 25, 2022

    Action Type Old Value New Value
    Added Reference https://www.oracle.com/security-alerts/cpujul2022.html [No Types Assigned]
  • Modified Analysis by [email protected]

    Jun. 01, 2022

    Action Type Old Value New Value
    Changed Reference Type https://security.netapp.com/advisory/ntap-20220407-0007/ No Types Assigned https://security.netapp.com/advisory/ntap-20220407-0007/ Third Party Advisory
    Added CPE Configuration AND OR *cpe:2.3:o:netapp:baseboard_management_controller_h300s_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:baseboard_management_controller_h300s:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netapp:baseboard_management_controller_h500s_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:baseboard_management_controller_h500s:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netapp:baseboard_management_controller_h700s_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:baseboard_management_controller_h700s:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netapp:baseboard_management_controller_h300e_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:baseboard_management_controller_h300e:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netapp:baseboard_management_controller_h500e_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:baseboard_management_controller_h500e:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netapp:baseboard_management_controller_h700e_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:baseboard_management_controller_h700e:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netapp:baseboard_management_controller_h410s_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:baseboard_management_controller_h410s:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netapp:baseboard_management_controller_h410c_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:baseboard_management_controller_h410c:-:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Apr. 08, 2022

    Action Type Old Value New Value
    Added Reference https://security.netapp.com/advisory/ntap-20220407-0007/ [No Types Assigned]
  • Initial Analysis by [email protected]

    Mar. 11, 2022

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:P/I:N/A:P)
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
    Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1997961 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1997961 Issue Tracking, Patch, Third Party Advisory
    Changed Reference Type https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=7e78c597c3eb No Types Assigned https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=7e78c597c3eb Patch, Vendor Advisory
    Changed Reference Type https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7e78c597c3ebfd0cb329aa09a838734147e4f117 No Types Assigned https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7e78c597c3ebfd0cb329aa09a838734147e4f117 Patch, Vendor Advisory
    Changed Reference Type https://github.com/torvalds/linux/commit/7e78c597c3ebfd0cb329aa09a838734147e4f117 No Types Assigned https://github.com/torvalds/linux/commit/7e78c597c3ebfd0cb329aa09a838734147e4f117 Patch, Third Party Advisory
    Changed Reference Type https://lists.openwall.net/netdev/2021/08/17/124 No Types Assigned https://lists.openwall.net/netdev/2021/08/17/124 Exploit, Mailing List, Third Party Advisory
    Changed Reference Type https://www.openwall.com/lists/oss-security/2021/08/27/2 No Types Assigned https://www.openwall.com/lists/oss-security/2021/08/27/2 Exploit, Mailing List, Patch, Third Party Advisory
    Added CWE NIST CWE-125
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:5.14:rc6:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (excluding) 5.14.1 up to (excluding) 5.17 *cpe:2.3:o:linux:linux_kernel:5.17:-:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.17:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.17:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.17:rc3:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.17:rc4:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.17:rc5:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.17:rc6:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
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-2021-3743 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-2021-3743 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

0.07798

percentile

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