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CVE-2020-25672

Public on 2021-04-20
Modified on 2021-07-15
Description

A memory leak in the Linux kernel's NFC LLCP protocol implementation was found in the way a user triggers the llcp_sock_connect() function. This flaw allows a local user to starve the resources, causing a denial of service.

Severity
Important
See what this means
CVSS v3 Base Score
7.5
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 kernel 2021-05-20 21:12 ALAS-2021-1503
Amazon Linux 2 - Core kernel 2021-04-20 17:55 ALAS2-2021-1627
Amazon Linux 2 - Kernel-5.10 Extra kernel 2022-01-20 23:18 ALAS2KERNEL-5.10-2022-001
Amazon Linux 2 - Kernel-5.4 Extra kernel 2022-01-12 00:00 ALAS2KERNEL-5.4-2022-003

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Amazon Linux CVSSv2 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P
NVD CVSSv2 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P
NVD CVSSv3 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H