AZL-72965 CVE-2025-38468 affecting package kernel for versions less than 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: net/sched: Return NULL when htblookupleaf encounters an empty rbtree htblookupleaf has a BUGON that can trigger with the following: tc qdisc del dev lo root tc qdisc add dev lo root handle 1: htb default 1 tc class add dev lo...

SUSE CVE-2025-38350

In the Linux kernel, the following vulnerability has been resolved: net/sched: Always pass notifications when child class becomes empty Certain classful qdiscs may invoke their classes' dequeue handler on an enqueue operation. This may unexpectedly empty the child qdisc and thus make an in-flight...

DEBIAN-CVE-2025-38350

In the Linux kernel, the following vulnerability has been resolved: net/sched: Always pass notifications when child class becomes empty Certain classful qdiscs may invoke their classes' dequeue handler on an enqueue operation. This may unexpectedly empty the child qdisc and thus make an in-flight...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP4 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: CVE-2021-47557: net/sched: schets: do not peek at classes beyond 'nbands' bsc1207361 bsc1225468. CVE-2021-47595: net/sched: schets: do not remove idle classes from...

SUSE-SU-2025:02322-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP4 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2021-47557: net/sched: schets: do not peek at classes beyond 'nbands' bsc1207361 bsc1225468. - CVE-2021-47595: net/sched: schets: do not remove idle classes...

SUSE-SU-2025:02320-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP3 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2022-50085: dm raid: fix address sanitizer warning in raidresume bsc1245147. - CVE-2022-50087: firmware: armscpi: Ensure scpiinfo is not assigned if the probe...

net_sched: qfq: Fix double list add in class with netem as child qdisc

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Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net/sched: actmirred: don't override retval if we already lost the skb CVE-2024-26739 In the Linux kernel, the following vulnerability has been resolved: mm/vmscan: fix a bug calling wakeupkswapd with a wrong zone...

DEBIAN-CVE-2025-38193

In the Linux kernel, the following vulnerability has been resolved: netsched: schsfq: reject invalid perturb period Gerrard Tai reported that SFQ perturbperiod has no range check yet, and this can be used to trigger a race condition fixed in a separate patch. We want to make sure ctl-perturbperio...

CVE-2025-38107

In the Linux kernel, the following vulnerability has been resolved: netsched: ets: fix a race in etsqdiscchange Gerrard Tai reported a race condition in ETS, whenever SFQ perturb timer fires at the wrong time. The race is as follows: CPU 0 CPU 1 1: lock root 2: qdisctreeflushbacklog 3: unlock roo...

PT-2025-27701

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A potential crash in the Linux kernel's net sched module has been resolved. The issue occurred in the sch sfq function, which has an assumption of always being able to queue at least o...

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

The vulnerability of the tcfmirredtodev function in the net/sched/actmirred.c module of the network/scheduling subsystem of the Linux operating system is related to the reutilization of previously freed memory. Exploiting this vulnerability could allow an attacker to cause a service failure...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: btrfs: check folio mapping after unlock in relocateonefolio CVE-2024-56758 In the Linux kernel, the following vulnerability has been resolved: hrtimers: Force migrate away hrtimers queued after CPUHPAPHRTIMERSDYIN...

SUSE CVE-2025-38083

In the Linux kernel, the following vulnerability has been resolved: netsched: prio: fix a race in priotune Gerrard Tai reported a race condition in PRIO, whenever SFQ perturb timer fires at the wrong time. The race is as follows: CPU 0 CPU 1 1: lock root 2: qdisctreeflushbacklog 3: unlock root | ...

UBUNTU-CVE-2025-38083

In the Linux kernel, the following vulnerability has been resolved: netsched: prio: fix a race in priotune Gerrard Tai reported a race condition in PRIO, whenever SFQ perturb timer fires at the wrong time. The race is as follows: CPU 0 CPU 1 1: lock root 2: qdisctreeflushbacklog 3: unlock root | ...

SUSE 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...

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...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: net: sched: Disallow replacing of child qdisc from one parent to another. Lion Ackermann was able to create a Use-after-Allocation UAF that can be exploited for privilege escalation using the following scripts: Step 1: Create ...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: netsched: Prevent the creation of classes with TCHROOT. The function qdisctreereducebacklog uses TCHROOT as a termination condition when traversing the qdisc tree to update parent backlogs. However, if a class is created with...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: netsched: The gsoskb list is also flushed during the -change operation. Previously, when reducing the limit of a qdisc using the -change operation, only the main skb queue was trimmed, potentially leaving packets in the gsoskb...