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CVE-2020-24587

Public on 2021-05-11
Modified on 2022-01-10
Description

A flaw was found in the Linux kernel's WiFi implementation. An attacker within the wireless range can abuse a logic flaw in the WiFi implementation by reassembling packets from multiple fragments under different keys, treating them as valid. This flaw allows an attacker to send a fragment under an incorrect key, treating them as a valid fragment under the new key. The highest threat from this vulnerability is to confidentiality.

Severity
Medium
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CVSS v3 Base Score
3.1
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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 3.1 CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
NVD CVSSv3 2.6 CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N
NVD CVSSv2 1.8 AV:A/AC:H/Au:N/C:P/I:N/A:N

References

Red Hat: CVE-2020-24587 Mitre: CVE-2020-24587 FAQs regarding Amazon Linux ALAS/CVE Severity