CVE-2020-26147

CVE Details

Release Date:	2021-05-11
Impact:	None	What is this?

Description

An issue was discovered in the Linux kernel 5.8.9. The WEP, WPA, WPA2, and WPA3 implementations reassemble fragments even though some of them were sent in plaintext. This vulnerability can be abused to inject packets and/or exfiltrate selected fragments when another device sends fragmented frames and the WEP, CCMP, or GCMP data-confidentiality protocol is used.

See more information about CVE-2020-26147 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v3 metrics

Base Score:	5.4
Vector String:	CVSS:3.0/AV:A/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:N
Version:	3.0
Attack Vector:	Adjacent_Network
Attack Complexity:	High
Privileges Required:	None
User Interaction:	Required
Scope:	Unchanged
Confidentiality Impact:	Low
Integrity Impact:	High
Availability Impact:	None

Errata information

Platform	Errata	Release Date
Oracle Linux version 6 (kernel-uek)	ELSA-2021-9459	2021-09-22
Oracle Linux version 7 (kernel-uek)	ELSA-2021-9404	2021-08-10
Oracle Linux version 7 (kernel-uek)	ELSA-2021-9452	2021-09-21
Oracle Linux version 7 (kernel-uek)	ELSA-2021-9459	2021-09-22
Oracle Linux version 7 (kernel-uek-container)	ELSA-2021-9406	2021-08-10
Oracle Linux version 7 (kernel-uek-container)	ELSA-2021-9453	2021-09-21
Oracle Linux version 8 (kernel)	ELSA-2021-4356	2021-11-16
Oracle Linux version 8 (kernel-uek)	ELSA-2021-9404	2021-08-10
Oracle Linux version 8 (kernel-uek-container)	ELSA-2021-9406	2021-08-10
Oracle VM version 3 (kernel-uek)	OVMSA-2021-0031	2021-09-22