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...

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-2026-006791)

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...

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-2026-006691)

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 =...

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...

UBUNTU-CVE-2026-23415

In the Linux kernel, the following vulnerability has been resolved: futex: Fix UaF between futexkeytonodeopt and vmareplacepolicy During futexkeytonodeopt execution, vma-vmpolicy is read under speculative mmap lock and RCU. Concurrently, mbind may call vmareplacepolicy which frees the old mempoli...

CVE-2026-23415 futex: Fix UaF between futex_key_to_node_opt() and vma_replace_policy()

In the Linux kernel, the following vulnerability has been resolved: futex: Fix UaF between futexkeytonodeopt and vmareplacepolicy During futexkeytonodeopt execution, vma-vmpolicy is read under speculative mmap lock and RCU. Concurrently, mbind may call vmareplacepolicy which frees the old mempoli...

CVE-2026-23415

In the Linux kernel, the following vulnerability has been resolved: futex: Fix UaF between futexkeytonodeopt and vmareplacepolicy During futexkeytonodeopt execution, vma-vmpolicy is read under speculative mmap lock and RCU. Concurrently, mbind may call vmareplacepolicy which frees the old mempoli...

CVE-2026-23415

The CVE-2026-23415 issue affects the Linux kernel futex subsystem. A race occurs between futex_key_to_node_opt() reading vma->vm_policy under speculative mmap lock/RCU and mbind() calling vma_replace_policy(), which can free the old mempolicy via kmem_cache_free(). This leads to a use-after-fr...

PT-2026-29719

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free UaF issue was identified in the netfilter component of the Linux kernel related to the handling of BPF hooks. Specifically, the vulnerability occurs when dumping hooks v...

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...

PT-2026-37384

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A Use-After-Free UAF issue exists in the Linux kernel where the ep free function in eventpoll.c may release the epi-ep eventpoll structure while it is still being accessed by another...

netfilter: nf_tables: release flowtable after rcu grace period on error

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SUSE CVE-2026-23351

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftsetpipapo: split gc into unlink and reclaim phase Yiming Qian reports Use-after-free in the pipapo set type: Under a large number of expired elements, commit-time GC can run for a very long time in a non-preemptible...

CVE-2026-23392

A flaw was found in the Linux kernel's netfilter component, specifically within the nftables subsystem. An error in releasing a flowtable after an RCU Read-Copy-Update grace period could lead to a use-after-free vulnerability. This issue could expose the flowtable to the packet path and...