SUSE-SU-2025:20818-1 Security update for kernel-livepatch-MICRO-6-0-RT_Update_9

This update for kernel-livepatch-MICRO-6-0-RTUpdate9 fixes the following issues: - CVE-2025-38089: sunrpc: handle SVCGARBAGE during svc auth processing as auth error bsc1245509 - CVE-2025-38477: net/sched: schqfq: Fix race condition on qfqaggregate bsc1247315...

Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-385762)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-385762 advisory. In the Linux kernel, the following vulnerability has been resolved: net/sched: netem: account for backlog updates from child qdisc In general, 'qlen' of any classful...

SUSE CVE-2022-50452

In the Linux kernel, the following vulnerability has been resolved: net: sched: cake: fix null pointer access issue when cakeinit fails When the default qdisc is cake, if the qdisc of devqueue fails to be inited during mqprioinit, cakereset is invoked to clear resources. In this case, the tins is...

CVE-2022-50452 net: sched: cake: fix null pointer access issue when cake_init() fails

In the Linux kernel, the following vulnerability has been resolved: net: sched: cake: fix null pointer access issue when cakeinit fails When the default qdisc is cake, if the qdisc of devqueue fails to be inited during mqprioinit, cakereset is invoked to clear resources. In this case, the tins is...

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 Linux kernel, which stems from a failure to properly handle null pointers when qdisc initialization fails, which could lead to null pointer...

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 a possible modification of the cb field of the skb when the xfrm device uses the sfb type qdisc, which could...

kernel: net_sched: hfsc: Fix a UAF vulnerability in class with netem as child qdisc

A use-after-free vulnerability has been identified in the Linux kernel's HFSC Hierarchical Fair Service Curve queuing discipline when it is configured with NETEM Network Emulation as a child. This flaw can lead to a kernel panic or crash due to incorrect assumptions about the queue state...

SUSE CVE-2025-39766

In the Linux kernel, the following vulnerability has been resolved: net/sched: Make cakeenqueue return NETXMITCN when past bufferlimit The following setup can trigger a WARNING in htbactivate due to the condition: !cl-leaf.q-q.qlen tc qdisc del dev lo root tc qdisc add dev lo root handle 1: htb...

kernel: net_sched: hfsc: Fix a UAF vulnerability in class with netem as child qdisc

A use-after-free vulnerability has been identified in the Linux kernel's HFSC Hierarchical Fair Service Curve queuing discipline when it is configured with NETEM Network Emulation as a child. This flaw can lead to a kernel panic or crash due to incorrect assumptions about the queue state...

kernel: net_sched: hfsc: Fix a UAF vulnerability in class with netem as child qdisc

A use-after-free vulnerability has been identified in the Linux kernel's HFSC Hierarchical Fair Service Curve queuing discipline when it is configured with NETEM Network Emulation as a child. This flaw can lead to a kernel panic or crash due to incorrect assumptions about the queue state...

kernel: net_sched: hfsc: Address reentrant enqueue adding class to eltree twice

A use-after-free UAF vulnerability, which also presents a potential infinite loop condition, has been resolved in the Linux kernel. This flaw affects the HFSC Hierarchical Fair Service Curve queuing discipline when it is used in conjunction with NETEM Network Emulation. A malicious user could...

kernel: net/sched: Always pass notifications when child class becomes empty

A use-after-free UAF vulnerability was found in the Linux kernel's net/sched subsystem, specifically in the Credit-Based Shaper CBS qdisc implementation schcbs. The vulnerability occurs because the CBS qdisc's reset function qdiscresetqueue only resets its internal queue but fails to reset its...

CVE-2025-38553

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority...

Linux Distros Unpatched Vulnerability : CVE-2025-38107

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

Linux Distros Unpatched Vulnerability : CVE-2023-4921

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A use-after-free vulnerability in the Linux kernel's net/sched: schqfq component can be exploited to achieve local privilege escalation. When the plug qdisc is...

kernel: net_sched: hfsc: Fix a UAF vulnerability in class with netem as child qdisc

A use-after-free vulnerability has been identified in the Linux kernel's HFSC Hierarchical Fair Service Curve queuing discipline when it is configured with NETEM Network Emulation as a child. This flaw can lead to a kernel panic or crash due to incorrect assumptions about the queue state...

SUSE CVE-2025-38457

In the Linux kernel, the following vulnerability has been resolved: net/sched: Abort tcmodifyqdisc if parent class does not exist Lion's patch 1 revealed an ancient bug in the qdisc API. Whenever a user creates/modifies a qdisc specifying as a parent another qdisc, the qdisc API will, during...

net_sched: hfsc: Fix a UAF vulnerability in class with netem as child qdisc

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PT-2025-30120

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw in the networking scheduler where certain classful qdiscs may unexpectedly empty a child qdisc, leading to a use-after-free condition. This can occur whe...

Security update for the Linux Kernel (Live Patch 54 for SLE 15 SP3)

This update for the Linux Kernel 5.3.18-15030059195 fixes several issues. The following security issues were fixed: CVE-2022-49080: mm/mempolicy: fix mpolnew leak in sharedpolicyreplace bsc1238324. CVE-2024-57996: netsched: schsfq: do not allow 1 packet limit bsc1239077. CVE-2022-49563: crypto: q...