CWE
327 346
Advisory Published
CVE Published
Updated

CVE-2020-26140

First published: Tue May 11 2021(Updated: )

A vulnerability was found in Linux Kernel. Where the Wifi implementations accept plaintext frames in a protected Wi-Fi network. An adversary can abuse this to inject arbitrary data frames independent of the network configuration. Upstream patch: <a href="https://lore.kernel.org/linux-wireless/20210511180259.159598-1-johannes@sipsolutions.net/">https://lore.kernel.org/linux-wireless/20210511180259.159598-1-johannes@sipsolutions.net/</a>

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
redhat/kernel-rt<0:4.18.0-348.rt7.130.el8
0:4.18.0-348.rt7.130.el8
redhat/kernel<0:4.18.0-348.el8
0:4.18.0-348.el8
Android
ALFA awus036h firmware=6.1316.1209
ALFA AWUS036H Firmware
Siemens Scalance W1748-1 Firmware
Siemens Scalance W1748-1 Firmware
Siemens SCALANCE W1750D
Siemens Scalance W1750D Firmware
Siemens Scalance W1788-1 Firmware
Siemens Scalance W1788-1 Firmware
Siemens Scalance W1788-2IA Firmware
Siemens Scalance W1788-2 EEC M12
Siemens Scalance W1788-2IA Firmware
Siemens Scalance W1788-2 EEC M12
Siemens Scalance W1788-2IA Firmware
Siemens Scalance W1788-2IA Firmware
Siemens SCALANCE W721-1 Firmware
Siemens Scalance W721-1
Siemens Scalance W722-1
Siemens Scalance W722-1 RJ45
Siemens SCALANCE W734-1 RJ45
Siemens Scalance W734-1
Siemens Scalance W738-1 Firmware
Siemens Scalance W738-1 Firmware
Siemens SCALANCE W748-1 M12 Firmware
Siemens Scalance W748-1
Siemens SCALANCE W748-1 M12 Firmware
Siemens Scalance W748-1
Siemens SCALANCE W761-1 Firmware
Siemens Scalance W761-1
Siemens SCALANCE W774-1 Firmware
Siemens Scalance W774-1 M12 RJ45
Siemens SCALANCE W774-1 Firmware
Siemens Scalance W774-1 M12 RJ45
Siemens Scalance W778-1 Firmware
Siemens Scalance W778-1 Firmware
Siemens Scalance W778-1 Firmware
Siemens Scalance W778-1 Firmware
Siemens Scalance W786-1 Firmware
Siemens Scalance W786-1 RJ45
Siemens Scalance W786-2
Siemens Scalance W786
Siemens Scalance W786-2
Siemens Scalance W786
Siemens SCALANCE W786-2IA RJ45 Firmware
Siemens Scalance W786-2IA Firmware
Siemens SCALANCE W788-1 Firmware
Siemens Scalance W788-1RR
Siemens SCALANCE W788-1 Firmware
Siemens Scalance W788-1RR
Siemens Scalance W788-2 Firmware
Siemens Scalance W788-2 Firmware
Siemens Scalance W788-2 Firmware
Siemens Scalance W788-2 Firmware
Siemens Scalance W788-2 Firmware
Siemens Scalance W788-2 Firmware
Siemens Scalance WAM763-1
Siemens Scalance WAM763-1
Siemens SCALANCE WAM766-1 ECC Firmware
Siemens SCALANCE WAM766-1
Siemens SCALANCE WAM766-1 ECC Firmware
Siemens SCALANCE WAM766-1
Siemens Scalance WAM766-1
Siemens SCALANCE WAM766-1
Siemens Scalance WAM766-1
Siemens SCALANCE WAM766-1
Siemens Scalance WUM763-1
Siemens Scalance WUM763-1 Firmware
Siemens Scalance WUM766-1 6GHz Firmware
Siemens SCALANCE WUM766-1
Siemens SCALANCE WUM766-1
Siemens Scalance WUM766-1
Arista C-100 Firmware
Arista C-100 Firmware
Arista C-110 Firmware
Arista C-110 Firmware
Arista C-120 Firmware
Arista C-120 Firmware
Arista C-130 Firmware
Arista C-130 Firmware
Arista C-200 Firmware
Arista C-200 Firmware
Arista C-230 Firmware
Arista C-230 Firmware
Arista C-235 Firmware
Arista C-235 Firmware
Arista C-250 Firmware
Arista C-250 Firmware
Arista C-260 Firmware
Arista C-260 Firmware
Arista C-65 Firmware
Arista C-65 Firmware
Arista C-75 Firmware
Arista C-75 Firmware
Arista O-105 Firmware
Arista O-105 Firmware
Arista O-90
Arista O90E
Arista W-118 Firmware
Arista W-118 Firmware
Arista W-68
Arista W-68
Cisco 1100-8P Firmware
Cisco 1100 Terminal Services Gateways
Cisco 1100 Firmware
Cisco 1100 Firmware
Cisco 1100 Firmware
Cisco 1100 Series Integrated Services Router
Cisco 1101-4P Firmware
Cisco 1101-4P Firmware
Cisco 1109-2p Firmware
Cisco 1109-2p Firmware
Cisco 1109-4p
Cisco 1109-4p
Cisco Aironet 1532 Firmware
Cisco Aironet 1532 Firmware
Cisco Aironet 1542D
Cisco Aironet 1542D
Cisco Aironet 1542i Firmware
Cisco Aironet 1542i Firmware
Cisco Aironet 1552H Firmware
Cisco Aironet 1552 Firmware
Cisco Aironet 1552 Firmware
Cisco Aironet 1552 Firmware
Cisco Aironet 1560 Firmware
Cisco Aironet 1560
Cisco Aironet 1562 firmware
Cisco Aironet 1562 firmware
Cisco Aironet 1562E
Cisco Aironet 1562E Firmware
Cisco Aironet 1562 firmware
Cisco Aironet 1562 firmware
Cisco Aironet 1572 Firmware
Cisco Aironet 1572 Firmware
Cisco Aironet 1702 Firmware
Cisco Aironet 1702 Firmware
Cisco Aironet 1800 Firmware
Cisco Aironet 1800 Firmware
Cisco Aironet 1800 Firmware
Cisco Aironet 1800i Firmware
Cisco Aironet 1810
Cisco Aironet 1810
Cisco Aironet 1810w
Cisco Aironet 1810w
Cisco Aironet 1815 Firmware
Cisco Aironet 1815 Firmware
Cisco Aironet 1815 Firmware
Cisco Aironet 1815 Firmware
Cisco Aironet 1832 Firmware
Cisco Aironet 1832 Firmware
Cisco Aironet 1842 Firmware
Cisco Aironet 1842 Firmware
Cisco Aironet 1852
Cisco Aironet 1852
Cisco Aironet 2702 Firmware
Cisco Aironet 2702 Firmware
Cisco Aironet 2800e Firmware
Cisco Aironet 2800
Cisco Aironet 2800e Firmware
Cisco Aironet 2800e Firmware
Cisco Aironet 2800 Firmware
Cisco Aironet 2800 Firmware
Cisco Aironet IW3702 Firmware
Cisco Aironet 3700 Series
Cisco Aironet 3800 Firmware
Cisco Aironet 3800p
Cisco Aironet 3800 Firmware
Cisco Aironet 3800E Firmware
Cisco Aironet 3800 Firmware
Cisco Aironet 3800 Firmware
Cisco Aironet 3800 Firmware
Cisco Aironet 3800P Firmware
Cisco Aironet 4800 Firmware
Cisco Aironet 4800 Firmware
Cisco Aironet AP Firmware
Cisco Aironet AP803 Firmware
Cisco Aironet 3702 Firmware
Cisco Aironet 3702
Cisco Catalyst 9105 Firmware
Cisco Catalyst 9000 Family Switches
Cisco Catalyst 9105 Firmware
Cisco Catalyst 9105 Firmware
Cisco Catalyst 9105 Firmware
Cisco Catalyst 9105AX
Cisco Catalyst 9115AXI Firmware
Cisco Catalyst 9115 Firmware
Cisco Catalyst 9115 Firmware
Cisco Catalyst 9115axi
Cisco Catalyst 9115 AP Firmware
Cisco Catalyst 9115 AP Firmware
Cisco Catalyst 9115 Firmware
Cisco Catalyst 9115AXI
Cisco Catalyst 9117AX Firmware
Cisco Catalyst 9117 Firmware
Cisco Catalyst 9117AX Firmware
Cisco Catalyst 9117
Cisco Catalyst 9117 Firmware
Cisco Catalyst 9117AX
Cisco Catalyst 9120 Access Point Firmware
Cisco Catalyst 9120 Access Point Firmware
Cisco Catalyst 9120 Firmware
Cisco Catalyst 9120
Cisco Catalyst 9120 Access Point Firmware
Cisco Catalyst 9120 Firmware
Cisco Catalyst 9120 Firmware
Cisco Catalyst 9120 Firmware
Cisco Catalyst 9120 Access Point Firmware
Cisco Catalyst 9120 Firmware
Cisco Catalyst 9124AXD Firmware
Cisco Catalyst 9124 Firmware
Cisco Catalyst 9124 Firmware
Cisco Catalyst 9124 Firmware
Cisco Catalyst 9124 Firmware
Cisco Catalyst 9124 Firmware
Cisco Catalyst 9130AXE Firmware
Cisco Catalyst 9130 Access Point Firmware
Cisco Catalyst 9130 Access Point Firmware
Cisco Catalyst 9130
Cisco Catalyst 9130 Firmware
Cisco Catalyst 9130 Firmware
Cisco Catalyst 9130 Firmware
Cisco Catalyst 9130 Firmware
Cisco Catalyst IW6300 DC Firmware
Cisco Catalyst IW6300 AC Firmware
Cisco Catalyst IW6300 AC Firmware
Cisco Catalyst IW6300
Cisco Catalyst IW6300 DC Firmware
Cisco Catalyst IW6300
Cisco Catalyst IW6300 DCW Firmware
Cisco Catalyst IW6300
Cisco ESW6300 Firmware
Cisco ESW-6300-CON-X-K9 Firmware
Cisco ESW-6300-CON-X-K9 Firmware
Cisco ESW6300 Firmware
Cisco IP Phone 6861 Firmware
Cisco IP Phone 6861 Firmware
Cisco Wireless IP Phone 8821-EX firmware
Cisco IP Phone 8821 Firmware
Cisco IP Conference Phone 8832 Firmware
Cisco IP Conference Phone 8832
Cisco IP Phone 8861 Firmware
Cisco IP Phone 8861 Firmware
Cisco IP Phone 8865 Firmware
Cisco IP Phone 8865
Cisco IR829 Series
Cisco IR829 Series
Cisco IR829 2LTE EA BK9 Firmware
Cisco IR829 2LTE EA BK9
Cisco IR829-2LTE-EA EK9 Firmware
Cisco IR829-2LTE-EA
Cisco IR829 Router Firmware
Cisco IR829GW LTE GA CK9
Cisco IR829GW LTE
Cisco IR829GW LTE
Cisco IR829GW-LTE GA SK9 Firmware
Cisco IR829GW-LTE GA SK9 Firmware
Cisco IR829GW-LTE-GA-ZK9
Cisco IR829
Cisco IR829GW LTE NA AK9 Firmware
Cisco IR829GW LTE NA AK9 Firmware
Cisco IR829GW LTE VZ AK9
Cisco IR829GW LTE VZ AK9
Cisco Meraki GR10 Firmware
Cisco Meraki GR10 Firmware
Cisco Meraki GR60
Cisco Meraki GR60 Firmware
Cisco Meraki MR12
Cisco Meraki MR12 Firmware
Cisco Meraki MR20 Firmware
Cisco Meraki MR20 Firmware
Cisco Meraki MR26 Firmware
Cisco Meraki MR26 Firmware
Cisco Meraki MR30H Firmware
Cisco Meraki MR30H
Cisco Meraki MR32 Firmware
Cisco Meraki MR32 Firmware
Cisco Meraki MR33 Firmware
Cisco Meraki MR33 Firmware
Cisco Meraki MR34
Cisco Meraki MR34
Cisco Meraki MR36 Firmware
Cisco Meraki MR36 Firmware
Cisco Meraki MR42E Firmware
Cisco Meraki MR42
Cisco Meraki MR42E Firmware
Cisco Meraki MR42E Firmware
Cisco Meraki MR44 Firmware
Cisco Meraki MR44 Firmware
Cisco Meraki MR45 Firmware
Cisco Meraki MR45 Firmware
Cisco Meraki MR46 Firmware
Cisco Meraki MR46 Firmware
Cisco Meraki MR46E Firmware
Cisco Meraki MR46E Firmware
Cisco Meraki MR52 Firmware
Cisco Meraki MR52 Firmware
Cisco Meraki MR53E Firmware
Cisco Meraki MR53 Firmware
Cisco Meraki MR53E Firmware
Cisco Meraki MR53E Firmware
Cisco Meraki MR55 Firmware
Cisco Meraki MR55 Firmware
Cisco Meraki MR56 Firmware
Cisco Meraki MR56 Firmware
Cisco Meraki MR62 Firmware
Cisco Meraki MR62 Firmware
Cisco Meraki MR66 Firmware
Cisco Meraki MR66 Firmware
Cisco Meraki MR70 Firmware
Cisco Meraki MR70 Firmware
Cisco Meraki MR72
Cisco Meraki MR72
Cisco Meraki MR74 Firmware
Cisco Meraki MR74 Firmware
Cisco Meraki MR76 Firmware
Cisco Meraki MR76 Firmware
Cisco Meraki MR84 Firmware
Cisco Meraki MR84 Firmware
Cisco Meraki MR86 Firmware
Cisco Meraki MR86 Firmware
Cisco Meraki MX64W Firmware
Cisco Meraki MX64W Firmware
Cisco Meraki MX65W Firmware
Cisco Meraki MX65W Firmware
Cisco Meraki MX67CW Firmware
Cisco Meraki MX67CW Firmware
Cisco Meraki MX67W Firmware
Cisco Meraki MX67W Firmware
Cisco Meraki MX68
Cisco Meraki MX68CW Firmware
Cisco Meraki MX68W Firmware
Cisco Meraki MX68W Firmware
Cisco Meraki Z3 Firmware
Cisco Meraki Z3 Firmware
Cisco Meraki Z3 Firmware
Cisco Meraki Z3C Firmware
Cisco Webex Board Series Firmware
Cisco Webex Board Series Firmware
Cisco Webex Board 55S Firmware
Cisco Webex Board Series
Cisco Webex Board Series Firmware
Cisco Webex Board 70S
Cisco Webex Board 70s Firmware
Cisco Webex Board 70
Cisco Webex Board Series Firmware
Cisco Webex Board 85S Firmware
Cisco Webex Desk Series Firmware
Cisco Webex DX70 Firmware
Cisco Webex Desk Series Firmware
Cisco Webex DX80 Firmware
Cisco Webex Room 55 Firmware
Cisco Webex Room 55 Firmware
Cisco Webex Room 55 Firmware
Cisco Webex Room 55 Dual Firmware
Cisco Webex Room 70 Firmware
Cisco Webex Room 70
Cisco Webex Room 70 Dual Firmware
Cisco Webex Room 70 Dual G2
Cisco Webex Room 70 Dual G2 Firmware
Cisco Webex Room 70 Dual
Cisco Webex Room 70 Single Firmware
Cisco Webex Room 70 Single G2
Cisco Webex Room 70 Single G2 Firmware
Cisco Webex Room 70 Single G2 Firmware
Cisco Webex Room Kit Firmware
Cisco Webex Room Kit
Cisco Webex Room Kit Mini Firmware
Cisco Webex Room Kit Mini Firmware
Intel ProSet Wireless Software and Drivers for Ac 8260
Intel PROSet AC 8260
Intel ProSet AC 8265 Firmware
Intel AC 8265 Firmware
Intel ProSet AC 9260 Firmware
Intel PROSet Wireless for AC 9260
Intel AC 9560 Firmware
Intel Wireless-AC 9560
Intel Killer Wireless-AC 1550
Intel Killer Wireless-AC 1550
Intel AX1650 Firmware
Intel Killer Wi-Fi 6 AX1650i/S
Intel AX1675 Firmware
Intel Killer Wi-Fi 6E AX1675 Firmware
Intel PROSet/Wireless Software for Intel Dual Band Wireless-AC 3165
Intel PROSet/Wireless Software for Intel Dual Band Wireless-AC 3165
Intel AC3168 Firmware
Intel ProSet AC 3168 Firmware
Intel ProSet Wireless Software and Drivers for Ac 8260
Intel PROSet Wireless Software
Intel AC 8265 Firmware
Intel ProSet AC 8265 Firmware
Intel Wireless-AC 9260 Firmware
Intel PROSet Wireless for AC 9260
Intel PROSet/Wireless
Intel PROSet AC 9461 Firmware
Intel PROSet AC 9462 Firmware
Intel PROSet AC 9462 Firmware
Intel PROSet/Wireless Software and drivers for AC 9560
Intel PROSet Wireless Software for AC 9560
Intel AX200 Firmware
Intel PROSet Wireless Software
Intel Wi-Fi 6E AX201 Firmware
Intel Wi-Fi 6 AX201 Firmware
Intel Wi-Fi 6 AX210
Intel Wi-Fi 6 AX210
Intel PROSet/Wireless 7265 (Rev D) Firmware
Intel PROSet/Wireless 7265 (Rev D)
Intel PROSet Wi-Fi 6 AX200 Firmware
Intel PROSet Wi-Fi 6 AX200 Firmware
Intel AMT Wi-Fi 6 AX201 Firmware
Intel Wi-Fi 6E AX201 Firmware

Remedy

Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

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Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2020-26140?

    The severity of CVE-2020-26140 is classified as a high risk vulnerability due to its potential for arbitrary data frame injection.

  • How do I fix CVE-2020-26140?

    To mitigate CVE-2020-26140, users should update their Linux kernel to a patched version that addresses this vulnerability.

  • Which versions of the Linux kernel are affected by CVE-2020-26140?

    CVE-2020-26140 affects Linux kernel versions prior to 0:4.18.0-348.rt7.130.el8 and 0:4.18.0-348.el8.

  • Can CVE-2020-26140 affect Wi-Fi network security?

    Yes, CVE-2020-26140 can compromise Wi-Fi network security by allowing an adversary to inject arbitrary data frames.

  • What types of devices are vulnerable to CVE-2020-26140?

    CVE-2020-26140 affects devices running vulnerable versions of the Linux kernel, including various network devices and systems relying on Wi-Fi implementations.

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