AZL-83312 CVE-2026-31507 affecting package kernel for versions less than 6.6.134.1-2

In the Linux kernel, the following vulnerability has been resolved: net/smc: fix double-free of smcspdpriv when tee duplicates splice pipe buffer smcrxsplice allocates one smcspdpriv per pipebuffer and stores the pointer in pipebuffer.private. The pipebufoperations for these buffers used .get =...

CVE-2026-31507

In the Linux kernel, the following vulnerability has been resolved: net/smc: fix double-free of smcspdpriv when tee duplicates splice pipe buffer smcrxsplice allocates one smcspdpriv per pipebuffer and stores the pointer in pipebuffer.private. The pipebufoperations for these buffers used .get =...

CVE-2026-31507 net/smc: fix double-free of smc_spd_priv when tee() duplicates splice pipe buffer

In the Linux kernel, the following vulnerability has been resolved: net/smc: fix double-free of smcspdpriv when tee duplicates splice pipe buffer smcrxsplice allocates one smcspdpriv per pipebuffer and stores the pointer in pipebuffer.private. The pipebufoperations for these buffers used .get =...

CVE-2026-31507

CVE-2026-31507 affects the Linux kernel SMC module (net/smc). The vulnerability is a double-free of the per-buffer state (smc_spd_priv) when tee(2) duplicates a splice pipe buffer, leading to a use-after-free and a kernel NULL pointer dereference, ultimately causing a kernel panic. The root cause...

kernel: smc: Use __sk_dst_get() and dst_dev_rcu() in smc_clc_prfx_match()

A flaw was found in the Linux kernel’s SMC Shared Memory Communication module: in smcclcprfxmatch, the function is called from smclistenwork without proper RCU or RTNL protection. The code previously used skdstgetsk-dev, which can lead to a use-after-free UAF condition if the sk’s destination is...

kernel: smc: Fix use-after-free in __pnet_find_base_ndev()

In the Linux kernel, the following vulnerability has been resolved: smc: Fix use-after-free in pnetfindbasendev. syzbot reported use-after-free of netdevice in pnetfindbasendev, which was called during connect. 0 smcpnetfindismresource fetches skdstgetsk-dev and passes down to pnetfindbasendev,...

kernel: smc: Use __sk_dst_get() and dst_dev_rcu() in smc_clc_prfx_match()

A flaw was found in the Linux kernel’s SMC Shared Memory Communication module: in smcclcprfxmatch, the function is called from smclistenwork without proper RCU or RTNL protection. The code previously used skdstgetsk-dev, which can lead to a use-after-free UAF condition if the sk’s destination is...

Moderate: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions, and Red Hat Enterprise Linux 8.6 Telecommunications Update Service. Red Hat Product Security has rated this update as...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-013498)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013498 advisory. In the Linux kernel, the following vulnerability has been resolved: net/smc: Avoid overwriting the copies of clcsock callback functions The callback functions of...

PT-2026-34412

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A double-free issue exists in the SMC implementation of the Linux kernel. The smc rx splice function allocates an smc spd priv object per pipe buffer and stores the pointer in pipe...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013526)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013526 advisory. In the Linux kernel, the following vulnerability has been resolved: net/smc: Fix possible leaked pernet namespace in smcinit In smcinit,...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the repeated use of the tee operation in the splice pipeline buffer, leading to the double release of...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013656)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013656 advisory. In the Linux kernel, the following vulnerability has been resolved: net/smc: Reset connection when trying to use SMCRv2 fails. We found a crash when using SMCRv2 wi...

Linux Distros Unpatched Vulnerability : CVE-2026-31507

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/smc: fix double-free of smcspdpriv when tee duplicates splice pipe buffer smcrxsplice allocates one smcspdpriv per pipebuffer and stores the pointer in...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013537)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013537 advisory. In the Linux kernel, the following vulnerability has been resolved: net/smc: use smclgrlist.lock to protect smclgrlist.list iterate in smcrportadd While doing...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013543)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013543 advisory. In the Linux kernel, the following vulnerability has been resolved: net/smc: fix potential panic dues to unprotected smcllcsrvaddlink There is a certain chance to...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-013746)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013746 advisory. In the Linux kernel, the following vulnerability has been resolved: net/smc: Forward wakeup to smc socket waitqueue after fallback When we replace TCP with SMC and a...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013483)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013483 advisory. In the Linux kernel, the following vulnerability has been resolved: net/smc: Transitional solution for clcsock race issue We encountered a crash in smcsetsockopt and...

RHEL 8 : kernel (RHSA-2026:9513)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:9513 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: smc: Fix use-after-free in...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013512)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013512 advisory. In the Linux kernel, the following vulnerability has been resolved: net/smc: reduce rtnl pressure in smcpnetcreatepnetidslist Many syzbot reports show extreme rtnl...