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: 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...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013863)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013863 advisory. In the Linux kernel, the following vulnerability has been resolved: cachefiles: add missing lock protection when polling Add missing lock protection in poll routine...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013078)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013078 advisory. In the Linux kernel, the following vulnerability has been resolved: ipv4: route: Prevent rtbindexception from rebinding stale fnhe The sit driver's packet transmissi...

Unity Linux 20.1050e / 20.1070e Security Update: kernel (UTSA-2026-011394)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011394 advisory. In the Linux kernel, the following vulnerability has been resolved: ipv4: route: Prevent rtbindexception from rebinding stale fnhe The sit driver's packet transmissi...

Unity Linux 20.1050e / 20.1070e Security Update: kernel (UTSA-2026-011237)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011237 advisory. In the Linux kernel, the following vulnerability has been resolved: rcu: Protect rcuprinttaskexpstall -exptasks access For kernels built with CONFIGPREEMPTRCU=y, the...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007317)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007317 advisory. In the Linux kernel, the following vulnerability has been resolved: mac802154: fix llsec key resources release in mac802154llseckeydel mac802154llseckeydel can free...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007270)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007270 advisory. In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: Fix potential data-race in nftexprtypeget nftunregisterexpr can concurrent...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007243)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007243 advisory. In the Linux kernel, the following vulnerability has been resolved: KVM: Destroy I/O bus devices on unregister failure after sync'ing SRCU If allocating a new instan...

PT-2026-47756

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A Use-After-Free UAF issue exists in the act ct component of the Linux kernel. The problem occurs in the tcf ct flow table get function when looking up a flow table. The function...

Unbreakable Enterprise kernel security update

6.12.0-200.74.27.2 - ipv6: use RCU in ip6xmit Eric Dumazet Orabug: 39186444 CVE-2025-40135 - netfilter: nftables: fix use-after-free in nftablesaddchain Inseo An Orabug: 39181102 CVE-2026-23231 - dst: fix races in rt6uncachedlistdel and rtdeluncachedlist Eric Dumazet Orabug: 39181101 CVE-2026-230...

kernel: macvlan: fix possible UAF in macvlan_forward_source()

In the Linux kernel, the following vulnerability has been resolved: macvlan: fix possible UAF in macvlanforwardsource Add RCU protection on struct macvlansourceentry-vlan. Whenever macvlanhashdelsource is called, we must clear entry-vlan pointer before RCU grace period starts. This allows...

ROS-20260408-73-0012

A vulnerability in the rcupreemptdeferredqshandler function of the kernel/rcu/treeplugin.h component of the Linux operating system kernel is related to simultaneous execution using a shared resource with incorrect synchronization. Exploitation of the vulnerability allows an attacker to cause a...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006691)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006691 advisory. In the Linux kernel, the following vulnerability has been resolved: bpf: reject unhashed sockets in bpfskassign The semantics for bpfskassign are as follows: sk =...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006654)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006654 advisory. In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix call timer start racing with call destruction The rxrpccall struct has a timer used to...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006791)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006791 advisory. In the Linux kernel, the following vulnerability has been resolved: rcu: Protect -deferqsiwpending from data race On kernels built with CONFIGIRQWORK=y, when...

PT-2026-35021

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A slab-use-after-free issue exists in the inet lookup established function. The problem occurs because MPTCP v6 subflow child sockets are allocated via kmalloc instead of the TCPv6 slab...

CVE-2026-31404

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority...

CVE-2026-23450

In the Linux kernel, the following vulnerability has been resolved: net/smc: fix NULL dereference and UAF in smctcpsynrecvsock Syzkaller reported a panic in smctcpsynrecvsock 1. smctcpsynrecvsock is called in the TCP receive path softirq via icskafops-synrecvsock on the clcsock TCP listening...

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 cleaning up subobjects before the RCU grace period, potentially leading to null pointer dereferencing...