Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098684)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098684 advisory. In the Linux kernel, the following vulnerability has been resolved: netsched: hfsc: Fix a UAF vulnerability in class handling This patch fixes a Use-After-Free...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: sch/netem: fixed the use of memory after deallocation in netemdequeue. If netemdequeue enqueues a packet to an inner qdisc, and that qdisc returns NETXMITSTOLEN. As a result, the packet is dropped, but qdisctreereducebacklog i...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: netlink: afnetlink: Added a check on the len parameter to prevent empty skb objects. This prevents a division error in the netemenqueue function, which occurs when skb-len=0 and skb-datalen=0 during the randomized corruption...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net/sched: netem: account for backlog updates from child qdisc Generally, the qlen of any classful qdisc should reflect the number of packets held by the qdisc itself and all its children. In the case of netem, qlen only accounts...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-100691)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-100691 advisory. In the Linux kernel, the following vulnerability has been resolved: net/sched: netem: fix queue limit check to include reordered packets The queue limit check in...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-099959)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-099959 advisory. In the Linux kernel, the following vulnerability has been resolved: net/sched: netem: fix queue limit check to include reordered packets The queue limit check in...

CVE-2026-63983

A flaw was found in the Linux kernel's network emulator netem component. This vulnerability occurs when netem duplicates a packet and re-enqueues it, leading to a recursive packet duplication loop if multiple netem instances are configured. This uncontrolled recursion can exhaust system resources...

SUSE CVE-2026-63983

In the Linux kernel, the following vulnerability has been resolved: net/sched: fix packet loop on netem when duplicate is on When netem duplicates a packet it re-enqueues the copy at the root qdisc. If another netem sits in the tree the copy can be duplicated again, recursing until the stack or...

Linux Distros Unpatched Vulnerability : CVE-2026-63983

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/sched: fix packet loop on netem when duplicate is on When netem duplicates a packet it re-enqueues the copy at the root qdisc. If another netem sits in the...

CVE-2026-63983

In the Linux kernel, the following vulnerability has been resolved: net/sched: fix packet loop on netem when duplicate is on When netem duplicates a packet it re-enqueues the copy at the root qdisc. If another netem sits in the tree the copy can be duplicated again, recursing until the stack or...

AZL-92772 CVE-2026-63983 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: net/sched: fix packet loop on netem when duplicate is on When netem duplicates a packet it re-enqueues the copy at the root qdisc. If another netem sits in the tree the copy can be duplicated again, recursing until the stack or...

EUVD-2026-45756

In the Linux kernel, the following vulnerability has been resolved: net/sched: fix packet loop on netem when duplicate is on When netem duplicates a packet it re-enqueues the copy at the root qdisc. If another netem sits in the tree the copy can be duplicated again, recursing until the stack or...

CVE-2026-63983 net/sched: fix packet loop on netem when duplicate is on

In the Linux kernel, the following vulnerability has been resolved: net/sched: fix packet loop on netem when duplicate is on When netem duplicates a packet it re-enqueues the copy at the root qdisc. If another netem sits in the tree the copy can be duplicated again, recursing until the stack or...

CVE-2026-63983

In the Linux kernel, the following vulnerability has been resolved: net/sched: fix packet loop on netem when duplicate is on When netem duplicates a packet it re-enqueues the copy at the root qdisc. If another netem sits in the tree the copy can be duplicated again, recursing until the stack or...

CVE-2026-63983 net/sched: fix packet loop on netem when duplicate is on

In the Linux kernel, the following vulnerability has been resolved: net/sched: fix packet loop on netem when duplicate is on When netem duplicates a packet it re-enqueues the copy at the root qdisc. If another netem sits in the tree the copy can be duplicated again, recursing until the stack or...

CVE-2026-63983

The CVE-2026-63983 entry concerns the Linux kernel net/sched component with netem, where duplicating a packet could cause recursive duplication loops in the qdisc tree, potentially exhausting stack or memory. Root cause: the old duplication guard invalidly zeroed q->duplicate around re-enqueue...

PT-2026-61300

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A packet loop occurs in the netem Network Emulator module when the duplicate feature is enabled. When netem duplicates a packet, it re-enqueues the copy at the root qdisc Queueing...

net/sched: netem: fix queue limit check to include reordered packets

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SUSE CVE-2026-52984

In the Linux kernel, the following vulnerability has been resolved: net/sched: netem: fix queue limit check to include reordered packets The queue limit check in netemenqueue uses q-tlen which only counts packets in the internal tfifo. Packets placed in sch-q by the reorder path qdiscenqueuehead...

Linux Distros Unpatched Vulnerability : CVE-2026-52984

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/sched: netem: fix queue limit check to include reordered packets The queue limit check in netemenqueue uses q-tlen which only counts packets in the internal...