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CVE-2021-29650

Public on 2021-03-30
Modified on 2021-07-15
Description

A denial-of-service (DoS) flaw was identified in the Linux kernel due to an incorrect memory barrier in xt_replace_table in net/netfilter/x_tables.c in the netfilter subsystem.

Severity
Medium
See what this means
CVSS v3 Base Score
5.5
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 kernel 2021-07-08 18:38 ALAS-2021-1516
Amazon Linux 1 kernel 2024-12-05 20:57 ALAS-2024-1952
Amazon Linux 2 - Core kernel 2021-07-14 20:35 ALAS2-2021-1685
Amazon Linux 2 - Kernel-5.4 Extra kernel 2022-01-11 23:55 ALAS2KERNEL-5.4-2022-002

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD CVSSv2 4.9 AV:L/AC:L/Au:N/C:N/I:N/A:C
NVD CVSSv3 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H