Siemens SIMATIC S7-1500 Improper Input Validation(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...

CVE-2026-23105 net/sched: qfq: Use cl_is_active to determine whether class is active in qfq_rm_from_ag

In the Linux kernel, the following vulnerability has been resolved: net/sched: qfq: Use clisactive to determine whether class is active in qfqrmfromag This is more of a preventive patch to make the code more consistent and to prevent possible exploits that employ child qlen manipulations on qfq...

CVE-2026-23105 net/sched: qfq: Use cl_is_active to determine whether class is active in qfq_rm_from_ag

In the Linux kernel, the following vulnerability has been resolved: net/sched: qfq: Use clisactive to determine whether class is active in qfqrmfromag This is more of a preventive patch to make the code more consistent and to prevent possible exploits that employ child qlen manipulations on qfq...

CVE-2026-23074 net/sched: Enforce that teql can only be used as root qdisc

In the Linux kernel, the following vulnerability has been resolved: net/sched: Enforce that teql can only be used as root qdisc Design intent of teql is that it is only supposed to be used as root qdisc. We need to check for that constraint. Although not important, I will describe the scenario th...

CVE-2026-23074 net/sched: Enforce that teql can only be used as root qdisc

In the Linux kernel, the following vulnerability has been resolved: net/sched: Enforce that teql can only be used as root qdisc Design intent of teql is that it is only supposed to be used as root qdisc. We need to check for that constraint. Although not important, I will describe the scenario th...

Azure Linux 3.0 Security Update: kernel (CVE-2025-38115)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-38115 advisory. - In the Linux kernel, the following vulnerability has been resolved: netsched: schsfq: fix a potential crash ...

Azure Linux 3.0 Security Update: kernel (CVE-2025-38107)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-38107 advisory. - In the Linux kernel, the following vulnerability has been resolved: netsched: ets: fix a race in...

Azure Linux 3.0 Security Update: kernel (CVE-2025-37797)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-37797 advisory. - In the Linux kernel, the following vulnerability has been resolved: netsched: hfsc: Fix a UAF vulnerability ...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: riscv, bpf: Sign extension for struct ops correctly handles return values. The nsbpfqdisc selftest triggers a kernel panic: Unable to handle kernel paging request at virtual address ffffffffa38dbf58. Current testprogs pgtable:...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-992760)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992760 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...

kernel: net: sched: sfb: fix null pointer access issue when sfb_init() fails

A null pointer dereference exists in the linux kernel, such that when sfbinit fails qdisc is NULL, and it will cause gpf issue, leading to damage to the availability of the system...

kernel: net: sched: sfb: fix null pointer access issue when sfb_init() fails

A null pointer dereference exists in the linux kernel, such that when sfbinit fails qdisc is NULL, and it will cause gpf issue, leading to damage to the availability of the system...

kernel: net: sched: sfb: fix null pointer access issue when sfb_init() fails

A null pointer dereference exists in the linux kernel, such that when sfbinit fails qdisc is NULL, and it will cause gpf issue, leading to damage to the availability of the system...

Important: kernel-livepatch-6.1.150-174.273

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net/sched: Fix backlog accounting in qdiscdequeueinternal CVE-2025-39677 In the Linux kernel, the following vulnerability has been resolved: dmaengine: qcom: bamdma: Fix DT error handling for num-channels/ees...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netsched: Red: fixed a race condition in redchange. Gerrard Tai reported a race condition in RED, whenever the SFQ perturb timer fires at the wrong time. The race condition is as follows: CPU 0 CPU 1 1: lock root 2:...

kernel: net_sched: hfsc: Fix a UAF vulnerability in class handling

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 vulnerability in the HFSC qdisc class handling. The issue occurs due to a time-of-check/time-of-use condition in hfscchangeclass when...

SUSE-SU-2025:03539-1 Security update for the Linux Kernel (Live Patch 33 for SLE 15 SP4)

This update for the Linux Kernel 5.14.21-15040024141 fixes several issues. The following security issues were fixed: - CVE-2024-53168: sunrpc: fix one UAF issue caused by sunrpc kernel tcp socket bsc1243650. - CVE-2024-50154: tcp/dccp: Do not use timerpending in reqskqueueunlink bsc1233072. -...

SUSE-SU-2025:20827-1 Security update for kernel-livepatch-MICRO-6-0-RT_Update_5

This update for kernel-livepatch-MICRO-6-0-RTUpdate5 fixes the following issues: - CVE-2025-21692: net: sched: fix ets qdisc OOB Indexing bsc1237048 - CVE-2025-21791: vrf: use RCU protection in l3mdevl3out bsc1240744 - CVE-2025-38089: sunrpc: handle SVCGARBAGE during svc auth processing as auth...

SUSE CVE-2023-53559

In the Linux kernel, the following vulnerability has been resolved: ipvti: fix potential slab-use-after-free in decodesession6 When ipvti device is set to the qdisc of the sfb type, the cb field of the sent skb may be modified during enqueuing. Then, slab-use-after-free may occur when ipvti devic...

CVE-2023-53559 ip_vti: fix potential slab-use-after-free in decode_session6

In the Linux kernel, the following vulnerability has been resolved: ipvti: fix potential slab-use-after-free in decodesession6 When ipvti device is set to the qdisc of the sfb type, the cb field of the sent skb may be modified during enqueuing. Then, slab-use-after-free may occur when ipvti devic...