CVE-2026-31541

CVE-2026-31541: In the Linux kernel tracing subsystem, when copy_trace_marker is enabled, deleting a tracing instance could bypass synchronization and leave a Use-After-Free (UAF) due to incorrect ordering of flag clearing and marker list updates. The fix moves clearing of all flags below the upd...

CVE-2026-31541

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix tracemarker copy link list updates When the "copytracemarker" option is enabled for an instance, anything written into /sys/kernel/tracing/tracemarker is also copied into that instances buffer. When the option is set...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the issue of updating the link list using tracemarker. This vulnerability may lead to inconsisten...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the ocfs2 file system’s ocfs2fault function. When filemapfault returns VMFAULTRETRY, it may relea...

PT-2026-34949

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the ocfs2 fault function. This occurs because filemap fault may drop the mmap lock before returning VM FAULT RETRY. In such cases, a concurrent munmap ca...

PT-2026-34893

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix trace marker copy link list updates When the "copy trace marker" option is enabled for an instance, anything written into /sys/kernel/tracing/trace marker is also copied into that instances buffer. When the option is...

CVE-2026-40894

OpenTelemetry dotnet is a dotnet telemetry framework. In OpenTelemetry.Api 0.5.0-beta.2 to 1.15.2 and OpenTelemetry.Extensions.Propagators 1.3.1 to 1.15.2, The implementation details of the baggage, B3 and Jaeger processing code in the OpenTelemetry.Api and OpenTelemetry.Extensions.Propagators...

SUSE CVE-2026-31453

In the Linux kernel, the following vulnerability has been resolved: xfs: avoid dereferencing log items after push callbacks After xfsaildpushitem calls ioppush, the log item may have been freed if the AIL lock was dropped during the push. Background inode reclaim or the dquot shrinker can free th...

MCP Pitfall Lab: Exposing Developer Pitfalls in MCP Tool Server Security under Multi-Vector Attacks

Model Context Protocol MCP is increasingly adopted for tool-integrated LLM agents, but its multi-layer design and third-party server ecosystem expand risks across tool metadata, untrusted outputs, cross-tool flows, multimodal inputs, and supply-chain vectors. Existing MCP benchmarks largely measu...

EUVD-2026-24792

In the Linux kernel, the following vulnerability has been resolved: xfs: avoid dereferencing log items after push callbacks After xfsaildpushitem calls ioppush, the log item may have been freed if the AIL lock was dropped during the push. Background inode reclaim or the dquot shrinker can free th...

CVE-2026-31453

The CVE-2026-31453 issue affects the Linux kernel XFS path. The root cause is use-after-free-like behavior: after xfsaild_push_item() calls iop_push(), the log item could be freed if the AIL lock is dropped, allowing a freed log item to be dereferenced by tracepoints in the switch that follow. Th...

CVE-2026-31453 xfs: avoid dereferencing log items after push callbacks

In the Linux kernel, the following vulnerability has been resolved: xfs: avoid dereferencing log items after push callbacks After xfsaildpushitem calls ioppush, the log item may have been freed if the AIL lock was dropped during the push. Background inode reclaim or the dquot shrinker can free th...

PT-2026-34358

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the XFS file system where log items may be dereferenced after push callbacks. Specifically, after the xfsaild push item function calls iop push, the log item might hav...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013779)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013779 advisory. In the Linux kernel, the following vulnerability has been resolved: tracing/osnoise: Do not unregister events twice Nicolas reported that using: trace-cmd record -e...

openSUSE 16 Security Update : kernel (openSUSE-SU-2026:20572-1)

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:20572-1 advisory. The SUSE Linux Enterprise 16.0 kernel was updated to fix various security issues The following security issues were fixed: - CVE-2025-39998: scs...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-010829)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-010829 advisory. In the Linux kernel, the following vulnerability has been resolved: KVM: VMX: Fix crash due to uninitialized currentvmcs KVM enables 'Enlightened VMCS' and...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-010698)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-010698 advisory. In the Linux kernel, the following vulnerability has been resolved: tracing/osnoise: Do not unregister events twice Nicolas reported that using: trace-cmd record -e...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-006958)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006958 advisory. In the Linux kernel, the following vulnerability has been resolved: ftrace: Fix potential warning in traceprintkseq during ftracedump When calling ftracedumpone...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-011154)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011154 advisory. In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Fix DMA-API call trace on NVMe LS requests The following message and call trace wa...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-007049)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007049 advisory. In the Linux kernel, the following vulnerability has been resolved: tracing: Limit access to parser-buffer when tracegetuser failed When the length of the string...