The vulnerability of the attach_default_qdiscs() function in the net/sched/sch_generic.c module of the net/sched/sch subsystem of the Linux operating system’s kernel allows a attacker to cause a service failure.

The vulnerability of the attachdefaultqdiscs function in the net/sched/schgeneric.c module of the network scheduling subsystem of the Linux operating system’s kernel is related to improper memory release. Exploiting this vulnerability could allow a remote attacker to cause service interruptions...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-993100)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-993100 advisory. In the Linux kernel, the following vulnerability has been resolved: net/sched: fix netdevice reference leaks in attachdefaultqdiscs In attachdefaultqdiscs, if a dev...

UBUNTU-CVE-2022-49958

In the Linux kernel, the following vulnerability has been resolved: net/sched: fix netdevice reference leaks in attachdefaultqdiscs In attachdefaultqdiscs, if a dev has multiple queues and queue 0 fails to attach qdisc because there is no memory in attachonedefaultqdisc. Then dev-qdisc will be...

CVE-2022-49958

In the Linux kernel, the following vulnerability has been resolved: net/sched: fix netdevice reference leaks in attachdefaultqdiscs In attachdefaultqdiscs, if a dev has multiple queues and queue 0 fails to attach qdisc because there is no memory in attachonedefaultqdisc. Then dev-qdisc will be...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from net sched's failure to release network device references in attachdefaultqdiscs, which could lead to a memor...

kernel: net/sched: fix netdevice reference leaks in attach_default_qdiscs()

In the Linux kernel, the following vulnerability has been resolved: net/sched: fix netdevice reference leaks in attachdefaultqdiscs In attachdefaultqdiscs, if a dev has multiple queues and queue 0 fails to attach qdisc because there is no memory in attachonedefaultqdisc. Then dev-qdisc will be...

PT-2025-25884 · Linux +2 · Linux Kernel +2

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A vulnerability in the Linux kernel has been resolved, which was related to netdevice reference leaks in the attach default qdiscs function. If a device has multiple queues and queue 0...

PT-2022-33664

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.15.66 Description A potential issue exists in the Linux Kernel related to netdevice reference leaks in the attach default qdiscs function. The actual impact and attack plausibility have not yet been proven...

PT-2022-33241

Name of the Vulnerable Software and Affected Versions Linux Kernel versions v5.8 through v5.19.7 Description A potential issue exists in the Linux Kernel, specifically in the attach default qdiscs function, where netdevice reference leaks may occur. The actual impact and attack plausibility have...