CVE-2023-31436

HighCVSS 7.8/10Last modified Oct 14, 2026

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.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-787

Affected software

No affected versions have been published.

Timeline

Published
Apr 28, 2023
Last modified
Oct 14, 2026
NVD status
Modified

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CVE-2023-31436: High severity, CVSS 7.8 | Vulnix