CVE-2020-26147
Public on 2021-05-11
Modified on 2022-01-10
Description
A flaw was found in ieee80211_rx_h_defragment in net/mac80211/rx.c in the Linux Kernel's WiFi implementation. This vulnerability can be abused to inject packets or exfiltrate selected fragments when another device sends fragmented frames, and the WEP, CCMP, or GCMP data-confidentiality protocol is used. The highest threat from this vulnerability is to integrity.
Severity
Low
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 2 - Kernel-5.10 Extra | kernel | 2022-01-20 | ALAS2KERNEL-5.10-2022-002 | Fixed |
| Amazon Linux 2 - Kernel-5.4 Extra | kernel | 2022-01-12 | ALAS2KERNEL-5.4-2022-004 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 5.4 | CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:N |
| NVD | CVSSv2 | 3.2 | AV:A/AC:H/Au:N/C:P/I:P/A:N |
| NVD | CVSSv3 | 5.4 | CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:N |