PT-2025-22175 · Linux+6 · Linux Kernel+6
Published
2025-04-28
·
Updated
2026-04-20
·
CVE-2025-37913
CVSS v3.1
7.8
High
| Vector | AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
A vulnerability in the Linux kernel has been resolved, related to the
net sched component, specifically the qfq queueing discipline. The issue arises when a netem child qdisc causes the parent qdisc's enqueue callback to become reentrant, leading to memory corruption due to adding the same classifier to the list twice. This is fixed by checking if the class was already added to the agg->active list before doing the addition.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
Time Of Check To Time Of Use
Double Free
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Related Identifiers
Affected Products
Astra Linux
Debian
Linuxmint
Linux Kernel
Red Os
Suse
Ubuntu