kernel: net: sched: act_csum: validate nested VLAN headers

A flaw was found in the Linux kernel's network scheduler component. A remote attacker could send specially crafted network packets containing nested Virtual Local Area Network VLAN headers. This could cause the kernel to read beyond allocated memory, leading to a system crash and a denial of...

CVE-2026-50431

Windows Quality of Service QoS Packet Scheduler Information Disclosure Vulnerability...

CVE-2026-50431 Windows Quality of Service (QoS) Packet Scheduler Information Disclosure Vulnerability

...

CVE-2026-50431 Windows Quality of Service (QoS) Packet Scheduler Information Disclosure Vulnerability

...

CVE-2026-50431

Technical details are not publicly available in the provided documents. Monitor updates from Microsoft (MSRC) and advisories (NCSC, ZDI) for affected products, impact, and remediation related to CVE-2026-50431.

Windows Quality of Service (QoS) Packet Scheduler Information Disclosure Vulnerability

...

PYSEC-2026-2686 OpenStack Nova: Nova scheduler hint injection bypasses Placement resource claims and scheduling constraints

Affects - Nova: =18.0.0 =32.0.0 =33.0.0 33.0.2 Description Erichen from the Institute of Computing Technology, Chinese Academy of Sciences reported that Nova's server create API does not strip internal scheduler hints. An authenticated user can bypass Placement resource claims and scheduling...

ALSA-2026:36956 Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: net/sched: ets: Always remove class from active list before deleting in etsqdiscchange CVE-2025-71066 kernel: sctp: revalidate list cursor after sctpsendmsgtoasoc in SCTPSENDALL...

The vulnerability of the ets_qdisc_change() function in the net/sched/sch_ets.c module of the network/sched/sch_ets subsystem of the Linux operating system allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the etsqdiscchange function in the net/sched/schets.c file, within the net/sched subsystem of the Linux kernel’s network management mechanism, relates to operations involving resources after their expiration. Exploiting this vulnerability could allow an attacker to compromise...

GO-2026-5910 Dragonfly scheduler v1 and v2 gRPC unauthenticated SSRF via attacker-controlled PeerHost in DownloadTinyFile in d7y.io/dragonfly

Dragonfly scheduler v1 and v2 gRPC unauthenticated SSRF via attacker-controlled PeerHost in DownloadTinyFile in d7y.io/dragonfly...

Security Bulletin: IBM Maximo Scheduler Optimizer uses follow-redirects-1.15.11.tgz which is vulnerable to CVE-2026-40895

Summary IBM Maximo Scheduler Optimizer uses follow-redirects-1.15.11.tgz which is vulnerable to CVE-2026-40895. This bulletin contains information regarding the vulnerability and its fixture. Vulnerability Details CVEID:CVE-2026-40895 DESCRIPTION: follow-redirects is an open source, drop-in...

Security Bulletin: IBM Maximo Scheduler Optimizer uses log4j-core-2.25.3.jar which is vulnerable to CVE-2026-34477, CVE-2026-34478, CVE-2026-34479, CVE-2026-34480

Summary IBM Maximo Scheduler Optimizer uses log4j-core-2.25.3.jar which is vulnerable to CVE-2026-34477, CVE-2026-34478, CVE-2026-34479, CVE-2026-34480. This bulletin contains information regarding the vulnerability and its fixture. Vulnerability Details CVEID:CVE-2026-34477 DESCRIPTION: The fix...

Security Bulletin: IBM Maximo Scheduler Optimizer uses log4j-core-2.25.3.jar which is vulnerable to CVE-2026-34477, CVE-2026-34478, CVE-2026-34480

Summary IBM Maximo Scheduler Optimizer uses log4j-core-2.25.3.jar which is vulnerable to CVE-2026-34477, CVE-2026-34478, CVE-2026-34480. This bulletin contains information regarding the vulnerability and its fixture. Vulnerability Details CVEID:CVE-2026-34477 DESCRIPTION: The fix for CVE-2025-681...

Security Bulletin: IBM Maximo Scheduler Optimizer uses log4j-core-2.25.3.jar which is vulnerable to CVE-2026-34477, CVE-2026-34478

Summary IBM Maximo Scheduler Optimizer uses log4j-core-2.25.3.jar which is vulnerable to CVE-2026-34477, CVE-2026-34478. This bulletin contains information regarding the vulnerability and its fixture. Vulnerability Details CVEID:CVE-2026-34477 DESCRIPTION: The fix for CVE-2025-68161...

PYSEC-2026-1479 jupyter-scheduler's endpoint is missing authentication

Impact jupyterscheduler is missing an authentication check in Jupyter Server on an API endpoint GET /scheduler/runtimeenvironments which lists the names of the Conda environments on the server. In affected versions, jupyterscheduler allows an unauthenticated user to obtain the list of Conda...

CVE-2026-33264 Apache Airflow: DAG author RCE on webserver via unrestricted import_string() in BaseSerialization.deserialize()

A bug in BaseSerialization.deserialize allowed unrestricted importstring of attacker-controlled class paths when the Scheduler / API Server loaded a serialized DAG: a DAG author could embed a malicious trigger into a DAG to gain remote code execution on the API Server / Scheduler process, crossin...

OPENSUSE-SU-2026:21266-1 Security update for openQA, os-autoinst

This update for openQA, os-autoinst fixes the following issues: Changes in openQA: - Update to version 5.1783076943.6691832d: test: Stabilize t/05-scheduler-full.t - Clarify resolution of three CVEs The following CVEs have been fixed see previous changelog entries that mentioned only the accordin...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF in the DownloadTinyFile process when the scheduler's gRPC service accepts attacker-controlled values for PeerHost.Ip and PeerHost.DownPort without proper validation. An attacker can cause the scheduler t...

Dragonfly scheduler v1 and v2 gRPC unauthenticated SSRF via attacker-controlled PeerHost in DownloadTinyFile

Summary The Dragonfly scheduler's v1 gRPC service contains an unauthenticated Server-Side Request Forgery SSRF. When a peer reports a successful download of a TINY task, the scheduler calls Peer.DownloadTinyFile and issues an HTTP GET to a host and port taken verbatim from the attacker-controlled...

GHSA-CHWM-M7G7-685G Dragonfly scheduler v1 and v2 gRPC unauthenticated SSRF via attacker-controlled PeerHost in DownloadTinyFile

Summary The Dragonfly scheduler's v1 gRPC service contains an unauthenticated Server-Side Request Forgery SSRF. When a peer reports a successful download of a TINY task, the scheduler calls Peer.DownloadTinyFile and issues an HTTP GET to a host and port taken verbatim from the attacker-controlled...