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The vulnerability of the qfq_reset_qdisc() function in the net/sched/sch_qfq.c module of the network scheduling subsystem of the Linux operating system allows a attacker to cause a service failure.

🗓️ 01 Jun 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec
🔗 bdu.fstec.ru👁 1 Views

The qfq_reset_qdisc vulnerability in the Linux kernel allows service failure via a NULL pointer dereference in the network scheduling subsystem.

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19 Jun 2026 00:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 24.6
CVSS 35.5
EPSS0.00118
1