NetSight
IP …
high7.8

CVE-2025-38568

In the Linux kernel, the following vulnerability has been resolved: net/sched: mqprio: fix stack out-of-bounds write in tc entry parsing TCA_MQPRIO_TC_ENTRY_IN…

Impact

In the Linux kernel, the following vulnerability has been resolved: net/sched: mqprio: fix stack out-of-bounds write in tc entry parsing TCA_MQPRIO_TC_ENTRY_INDEX is validated using NLA_POLICY_MAX(NLA_U32, TC_QOPT_MAX_QUEUE), which allows the value TC_QOPT_MAX_QUEUE (16). This leads to a 4-byte out-of-bounds stack write in the fp[] array, which only has room for 16 elements (0–15). Fix this by changing the policy to allow only up to TC_QOPT_MAX_QUEUE - 1.

Affected products

VendorProductAffected versions
LinuxLinux Kernel
from 6.4 before 6.6.102
from 6.7 before 6.12.42
from 6.13 before 6.15.10
from 6.16 before 6.16.1

Weakness classification

CWE-787

References