CVE-2021-43975

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Summary

CVECVE-2021-43975
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-11-17 17:15:08 UTC
Updated2026-10-08 22:17:13 UTC
DescriptionIn the Linux kernel through 5.15.2, hw_atl_utils_fw_rpc_wait in drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c allows an attacker (who can introduce a crafted device) to trigger an out-of-bounds write via a crafted length value.

Risk And Classification

Primary CVSS: v3.1 6.7 MEDIUM from [email protected]

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.005510000 probability, percentile 0.450340000 (date 2026-10-20)

Problem Types: CWE-787 | n/a

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary6.7MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
2.0[email protected]Primary4.6AV:L/AC:L/Au:N/C:P/I:P/A:P

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial

AV:L/AC:L/Au:N/C:P/I:P/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Debian Debian Linux 10.0 All All All
Operating System Debian Debian Linux 9.0 All All All
Operating System Fedoraproject Fedora 34 All All All
Operating System Fedoraproject Fedora 35 All All All
Operating System Linux Linux Kernel All All All All
Application Netapp Cloud Backup - All All All
Hardware Netapp H300e - All All All
Operating System Netapp H300e Firmware - All All All
Hardware Netapp H410c - All All All
Operating System Netapp H410c Firmware - All All All
Hardware Netapp H410s - All All All
Operating System Netapp H410s Firmware - All All All
Hardware Netapp H500e - All All All
Operating System Netapp H500e Firmware - All All All
Hardware Netapp H500s - All All All
Operating System Netapp H500s Firmware - All All All
Hardware Netapp H700e - All All All
Operating System Netapp H700e Firmware - All All All
Hardware Netapp H700s - All All All
Operating System Netapp H700s Firmware - All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Debian -- Security Information -- DSA-5096-1 linux af854a3a-2127-422b-91ae-364da2661108 www.debian.org Third Party Advisory
[SECURITY] Fedora 34 Update: kernel-5.15.4-101.fc34 - package-announce - Fedora Mailing-Lists af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
[SECURITY] [DLA 2941-1] linux-4.19 security update af854a3a-2127-422b-91ae-364da2661108 lists.debian.org Mailing List, Third Party Advisory
[PATCH] atlantic: Fix OOB read and write in hw_atl_utils_fw_rpc_wait af854a3a-2127-422b-91ae-364da2661108 lore.kernel.org
kernel/git/netdev/net.git - Netdev Group's networking tree af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Exploit, Mailing List, Patch, Vendor Advisory
November 2021 Linux Kernel Vulnerabilities in NetApp Products | NetApp Product Security af854a3a-2127-422b-91ae-364da2661108 security.netapp.com Third Party Advisory
[SECURITY] Fedora 35 Update: kernel-headers-5.15.4-200.fc35 - package-announce - Fedora Mailing-Lists af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
[SECURITY] Fedora 35 Update: kernel-headers-5.15.4-200.fc35 - package-announce - Fedora Mailing-Lists MITRE lists.fedoraproject.org
FEDORA:FEDORA-2021-eab8c5a263 MITRE lists.fedoraproject.org
[PATCH] atlantic: Fix OOB read and write in hw_atl_utils_fw_rpc_wait MITRE lore.kernel.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 161147 Oracle Enterprise Linux Security Update for kernel (ELSA-2023-7077)
  • 179117 Debian Security Update for linux (DSA 5096-1)
  • 179119 Debian Security Update for linux-4.19 (DLA 2941-1)
  • 179508 Debian Security Update for linux (CVE-2021-43975)
  • 198659 Ubuntu Security Notification for Linux kernel (OEM) Vulnerabilities (USN-5278-1)
  • 198667 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5294-1)
  • 198674 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5294-2)
  • 198676 Ubuntu Security Notification for Linux kernel (GKE) Vulnerabilities (USN-5297-1)
  • 198708 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5337-1)
  • 198731 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5368-1)
  • 198749 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5385-1)
  • 242434 Red Hat Update for kernel-rt security (RHSA-2023:6901)
  • 242451 Red Hat Update for kernel security (RHSA-2023:7077)
  • 243041 Red Hat Update for kernel security (RHSA-2024:1188)
  • 243087 Red Hat Update for kernel (RHSA-2024:1404)
  • 282082 Fedora Security Update for kernel (FEDORA-2021-eab8c5a263)
  • 282138 Fedora Security Update for kernel (FEDORA-2021-c09b851eb0)
  • 353130 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.4-2022-021
  • 353151 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.10-2022-009
  • 610400 Google Pixel Android March 2022 Security Patch Missing
  • 610408 Google Android April 2022 Security Patch Missing for Huawei EMUI
  • 6140239 AWS Bottlerocket Security Update for kernel (GHSA-ggg2-5q8j-fxcw)
  • 671219 EulerOS Security Update for kernel (EulerOS-SA-2022-1030)
  • 671225 EulerOS Security Update for kernel (EulerOS-SA-2022-1010)
  • 671282 EulerOS Security Update for kernel (EulerOS-SA-2022-1255)
  • 671295 EulerOS Security Update for kernel (EulerOS-SA-2022-1243)
  • 671344 EulerOS Security Update for kernel (EulerOS-SA-2022-1271)
  • 751590 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2022:0056-1)
  • 751600 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0068-1)
  • 751602 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0080-1)
  • 751622 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2022:0131-1)
  • 751654 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0197-1)
  • 751695 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0367-1)
  • 751697 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0366-1)
  • 751701 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2022:0366-1)
  • 751702 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0371-1)
  • 751989 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0131-1)
  • 753133 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0181-1)
  • 753264 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0079-1)
  • 753355 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0056-1)
  • 900423 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (6228)
  • 901081 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (6605-1)
  • 906113 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (6228-1)
  • 941453 AlmaLinux Security Update for kernel (ALSA-2023:7077)

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