CLSA-2025-1747430081 Fix of 47 CVEs

CVE-url: https://ubuntu.com/security/CVE-2021-47352 - virtio-net: Add validation for used length CVE-url: https://ubuntu.com/security/CVE-2024-46745 - Input: uinput - reject requests with unreasonable number of slots CVE-url: https://ubuntu.com/security/CVE-2024-44952 - driver core: Fix ueventsho...

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...

Unity Linux 20.1050e / 20.1060e Security Update: kernel (UTSA-2026-013398)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013398 advisory. In the Linux kernel, the following vulnerability has been resolved: netem: Update sch-q.qlen before qdisctreereducebacklog qdisctreereducebacklog notifies parent qdi...

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...

Important: kernel-livepatch-5.10.233-224.894

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: netem: Update sch-q.qlen before qdisctreereducebacklog CVE-2025-21703 Affected Packages: kernel-livepatch-5.10.233-224.894 Issue Correction: Please ensure you have live patching enabled. Run yum update...

Important: kernel-livepatch-6.1.127-135.201

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: netem: Update sch-q.qlen before qdisctreereducebacklog CVE-2025-21703 Affected Packages: kernel-livepatch-6.1.127-135.201 Issue Correction: Please ensure you have live patching enabled. Run dnf update...

Important: kernel-livepatch-5.10.234-225.895

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: netem: Update sch-q.qlen before qdisctreereducebacklog CVE-2025-21703 Affected Packages: kernel-livepatch-5.10.234-225.895 Issue Correction: Please ensure you have live patching enabled. Run yum update...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: smb: client: fix UAF in smb2reconnectserver CVE-2024-35870 In the Linux kernel, the following vulnerability has been resolved: smb: client: fix use-after-free of signing key CVE-2024-53179 In the Linux kernel, the...

Important: kernel

Issue Overview: Insufficient control flow management for the IntelR 82599 Ethernet Controllers and Adapters may allow an authenticated user to potentially enable denial of service via local access. CVE-2021-33061 In the Linux kernel, the following vulnerability has been resolved: smb: client: fix...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: iommu: Return right value in iommusvabinddevice CVE-2024-40945 In the Linux kernel, the following vulnerability has been resolved: block, bfq: fix bfqq uaf in bfqlimitdepth CVE-2024-53166 In the Linux kernel, the...

AZL-58965 CVE-2025-21703 affecting package kernel for versions less than 5.15.180.1-1

In the Linux kernel, the following vulnerability has been resolved: netem: Update sch-q.qlen before qdisctreereducebacklog qdisctreereducebacklog notifies parent qdisc only if child qdisc becomes empty, therefore we need to reduce the backlog of the child qdisc before calling it. Otherwise it wou...

DEBIAN-CVE-2025-21703

In the Linux kernel, the following vulnerability has been resolved: netem: Update sch-q.qlen before qdisctreereducebacklog qdisctreereducebacklog notifies parent qdisc only if child qdisc becomes empty, therefore we need to reduce the backlog of the child qdisc before calling it. Otherwise it wou...

Astra Linux – Vulnerability in Linux 6.1

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...

SUSE CVE-2024-56770

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 qdisc should keep track of the number of packets that the qdisc itself and all of its children holds. In case of netem, 'qlen' only...

AZL-55431 CVE-2024-56770 affecting package kernel for versions less than 6.6.76.1-1

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 qdisc should keep track of the number of packets that the qdisc itself and all of its children holds. In case of netem, 'qlen' only...

AZL-55428 CVE-2024-56770 affecting package kernel for versions less than 5.15.176.3-1

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 qdisc should keep track of the number of packets that the qdisc itself and all of its children holds. In case of netem, 'qlen' only...

DEBIAN-CVE-2024-56770

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 qdisc should keep track of the number of packets that the qdisc itself and all of its children holds. In case of netem, 'qlen' only...

UBUNTU-CVE-2024-56770

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 qdisc should keep track of the number of packets that the qdisc itself and all of its children holds. In case of netem, 'qlen' only...

CVE-2024-56770 net/sched: netem: account for backlog updates from child qdisc

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 qdisc should keep track of the number of packets that the qdisc itself and all of its children holds. In case of netem, 'qlen' only...

CVE-2024-56770

CVE-2024-56770 documents a Linux kernel netem backlog accounting bug when used with a child qdisc (e.g., netem as root with tbf child). The issue arises because netem’s qlen/backlog statistics were updated by child qdiscs via qdisc_tree_reduce_backlog, but netem did not decrement qlen accordingly...