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7.8 High

CVE-2024-36978 net: sched: sch_multiq: fix possible OOB write in multiq_tune()

Description

In the Linux kernel, the following vulnerability has been resolved: net: sched: sch_multiq: fix possible OOB write in multiq_tune() q->bands will be assigned to qopt->bands to execute subsequent code logic after kmalloc. So the old q->bands should not be used in kmalloc. Otherwise, an out-of-bounds write will occur.

CVSS 3.1 detail

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

Exploitable with local access to the machine, with an ordinary account and without any user action; an attacker can seriously compromise confidentiality, integrity or availability.

Attack vector
Local
Attack complexity
Low
Privileges required
Low
Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Affected products and versions

Product Affected versions Fixed in
Linux 6.10 earliest → < 6.10 6.10
Linux 6.9 earliest → < 6.9.6 6.9.6
Linux 6.6 earliest → < 6.6.35 6.6.35
Linux 6.1 earliest → < 6.1.95 6.1.95
Linux 5.15 earliest → < 5.15.162 5.15.162
Linux 5.10 earliest → < 5.10.221 5.10.221
Linux 5.4 5.4.279
RUGGEDCOM RST2428P 3.1 earliest → < 3.1 3.1
SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family Versions not published
Show the 2 other branches
Product Affected versions Fixed in
SCALANCE XCM-/XRM-/XCH-/XRH-300 family 3.1 earliest → < 3.1 3.1
SIMATIC S7-1500 TM MFP - GNU/Linux subsystem 1.1 earliest → < 1.1.1 1.1.1

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