CVEvulnerability

CVE-2023-31436

7.8 HIGH Published 2023-04-28 Modified 2026-10-14 Official page ↗
Status
Modified
Published
2023-04-28
Last modified
2026-10-14
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-787

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.

Affected configurations

• linux linux kernel (>= 3.7 < 4.14.314) • linux linux kernel (>= 4.15 < 4.19.282) • linux linux kernel (>= 4.20 < 5.4.242) • linux linux kernel (>= 5.5.0 < 5.10.179) • linux linux kernel (>= 5.11 < 5.15.109) • linux linux kernel (>= 5.16 < 6.1.26) • linux linux kernel (>= 6.2 < 6.2.13)

Related

Weakness · CWE (1)

  • CWE-787 Out-of-bounds Write weakness

References