Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netem: Update sch-q.qlen before qdisctreereducebacklog. The qdisctreereducebacklog function only notifies the parent qdisc if the child qdisc becomes empty. Therefore, we need to reduce the backlog of the child qdisc before calli...

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

In the Linux kernel, the following vulnerability has been resolved: netsched: qfq: A double addition of a classifier was corrected in the class, where netem is a child qdisc. As described in Gerrard’s report 1, there are use cases where a netem child qdisc can make the parent qdisc’s enqueue...

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

In the Linux kernel, the following vulnerability has been resolved: netem: fixed the return value if duplicate enqueue fails. There is a bug in netemenqueue, introduced by the commit 5845f706388a “net: netem: fix skb length BUGON in skbtosgvec”, which can lead to a use-after-free. This commit...

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, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: netsched: ets: A double addition of the classifier was corrected in the class, where netem is a child qdisc. As described in Gerrard’s report 1, there are use cases where a netem child qdisc can make the enqueue callback of the...

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

In the Linux kernel, the following vulnerability has been resolved: netsched: drr: A double addition was corrected in the class, where netem is a child qdisc. As described in Gerrard’s report 1, there are use cases where a netem child qdisc can make the parent qdisc’s enqueue callback reentrant. ...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-107329)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-107329 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...

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...

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...

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...

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 6.6.157.1-1

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...

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...

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

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...

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...