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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
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CVSS v3 Base Score
5.4
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Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 - Kernel-5.10 Extra kernel 2022-01-20 23:37 ALAS2KERNEL-5.10-2022-002
Amazon Linux 2 - Kernel-5.4 Extra kernel 2022-01-12 19:26 ALAS2KERNEL-5.4-2022-004

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

References

Red Hat: CVE-2020-26147 Mitre: CVE-2020-26147 FAQs regarding Amazon Linux ALAS/CVE Severity