Select your cookie preferences

We use cookies and similar tools to enhance your experience, provide our services, deliver relevant advertising, and make improvements. Approved third parties also use these tools to help us deliver advertising and provide certain site features.

CVE-2023-31436

Public on 2023-04-28
Modified on 2024-01-12
Description

qfq_change_class in net/sched/sch_qfq.c in the Linux kernel before 6.2.13 allows an out-of-bounds write because lmax can exceed QFQ_MIN_LMAX.

Severity
Medium
See what this means
CVSS v3 Base Score
6.1
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 kernel 2023-05-11 18:00 ALAS-2023-1744
Amazon Linux 2 - Core kernel 2023-05-11 17:49 ALAS2-2023-2035
Amazon Linux 2 - Kernel-5.10 Extra kernel 2023-05-11 17:50 ALAS2KERNEL-5.10-2023-032
Amazon Linux 2 - Kernel-5.15 Extra kernel 2023-05-11 17:50 ALAS2KERNEL-5.15-2023-018
Amazon Linux 2 - Kernel-5.4 Extra kernel 2023-05-11 17:50 ALAS2KERNEL-5.4-2023-045
Amazon Linux 2023 kernel 2023-05-11 17:49 ALAS2023-2023-179

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 6.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
NVD CVSSv3 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H