CVE-2026-31491 RDMA/irdma: Harden depth calculation functions

In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Harden depth calculation functions An issue was exposed where OS can pass in U32MAX for SQ/RQ/SRQ size. This can cause integer overflow and truncation of SQ/RQ/SRQ depth returning a success when it should have failed...

CVE-2026-31473 media: mc, v4l2: serialize REINIT and REQBUFS with req_queue_mutex

In the Linux kernel, the following vulnerability has been resolved: media: mc, v4l2: serialize REINIT and REQBUFS with reqqueuemutex MEDIAREQUESTIOCREINIT can run concurrently with VIDIOCREQBUFS0 queue teardown paths. This can race request object cleanup against vb2 queue cancellation and lead to...

CVE-2026-31473 media: mc, v4l2: serialize REINIT and REQBUFS with req_queue_mutex

In the Linux kernel, the following vulnerability has been resolved: media: mc, v4l2: serialize REINIT and REQBUFS with reqqueuemutex MEDIAREQUESTIOCREINIT can run concurrently with VIDIOCREQBUFS0 queue teardown paths. This can race request object cleanup against vb2 queue cancellation and lead to...

CVE-2026-31473

The CVE-2026-31473 affects the Linux kernel media subsystems (mc, v4l2). A race can occur when MEDIA_REQUEST_IOC_REINIT runs concurrently with VIDIOC_REQBUFS queue teardown, risking use-after-free of request objects. The root cause is lack of serialization across these paths; it is addressed by e...

kernel: Linux kernel: Denial of Service via unsafe requeue in rxrpc_recvmsg

A flaw was found in the Linux kernel. A local unprivileged process can exploit an unsafe requeue path in the rxrpcrecvmsg function by using AFRXRPC sockets with MSGDONTWAIT and MSGPEEK flags. This improper handling of the receive message queue can lead to memory corruption, such as Use-After-Free...

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 fact that nvme-pci does not ensure that the polling queue is indeed a polling queue. This cou...

PT-2026-34396

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the RDMA/irdma component where the operating system can pass U32 MAX for SQ, RQ, or SRQ size. This can lead to integer overflow and truncation of the SQ, RQ, or SRQ...

PT-2026-34386

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw in the tracing component occurs when boot-time trigger registration fails before the trigger-data cleanup kthread is created. If kthread creation fails, the system fails to drain...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013507)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013507 advisory. In the Linux kernel, the following vulnerability has been resolved: block: ublk: extending queuesize to fix overflow When validating drafted SPDK ublk target, in a...

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 a memory leak during the reset of the work queue in dmaengine idxd. This vulnerability may cause...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-013631)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013631 advisory. In the Linux kernel, the following vulnerability has been resolved: RDMA/siw: Fix immediate work request flush to completion queue Correctly set send queue element...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-013582)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013582 advisory. In the Linux kernel, the following vulnerability has been resolved: net: stream: purge skerrorqueue in skstreamkillqueues Changheon Lee reported TCP socket leaks, wi...

PT-2026-34378

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists in the media mc and v4l2 components where MEDIA REQUEST IOC REINIT can run concurrently with VIDIOC REQBUFS0 queue teardown paths. This concurrency can cause...

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 cyclic locking dependency between reqlock and the work queue in nciclosedevice, potentially...

PT-2026-34397

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the RDMA/irdma component where the free qp completion is not initialized before use. Specifically, in the irdma create qp function, if the ib copy to udata call fails,...

CVE-2026-31493: Use After Free

In the Linux kernel, the following vulnerability has been resolved: RDMA/efa: Fix use of completion ctx after free On admin queue completion handling, if the admin command completed with error we print data from the completion context. The issue is that we already freed the completion context in...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013859)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013859 advisory. In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fix memleak in skpsockqueuemsg If tcpbpfsendmsg is running during a tear down...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-013446)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013446 advisory. In the Linux kernel, the following vulnerability has been resolved: i40e: Do not use WQMEMRECLAIM flag for workqueue Issue reported by customer during SRIOV testing,...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-013533)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013533 advisory. In the Linux kernel, the following vulnerability has been resolved: usb: musb: Fix musbgadget.c rxstate overflow bug The usb function device call musbgadgetqueue ad...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-013781)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013781 advisory. In the Linux kernel, the following vulnerability has been resolved: i40e: fix idx validation in i40evalidatequeuemap Ensure idx is within range of active/initialized...