uaf-exploit-cve-2026-23415

CVE-2026-23415 PoC CVE-2026-23415 的概念验证，这是 Linux 内核 futex 子系统中的一个释放后使用（use-after-free）漏洞。 关于漏洞 在 futexkeytonodeopt 和 vmareplacepolicy 之间存在一个竞争条件。 当 futex 代码读取虚拟内存区域的 NUMA 内存策略时，另一个线程可以通过 mbind 替换并释放该策略。随后，内核可能解引用已被释放的策略指针，导致释放后使用（use-after-free）读取。 用法 运行概念验证脚本： bash poc-cve-2026-23415.sh 无需编译或额外设...

numa

Numa 属于你的 DNS。无论你走到哪里。 — numa.rs 一个单二进制文件的可移植 DNS 解析器。在任何网络上屏蔽广告，为你的本地服务命名（frontend.numa），用自动回滚覆盖任何主机名，并用 ODoH RFC 9230 封装每一个出站查询，这样就没有任何一方能同时看到你是谁以及你查询了什么——这一切都在你的笔记本电脑上完成，无需云账户或树莓派。 用 Rust 从零构建。零 DNS 库。开箱即用的缓存、广告拦截和本地服务域名。可选的从根域名服务器开始的递归解析，带完整的 DNSSEC 信任链验证，外加一个用于加密客户端连接的 DNS-over-TLS 监听器（iOS 私...

DEBIAN-CVE-2026-98088

In the Linux kernel, the following vulnerability has been resolved: scsi: mpt3sas: Avoid out-of-bounds cpumaskofnode call in baseassignreplyqueues devtonode can return NUMANONODE -1 on systems without NUMA topology information for the PCI device, such as single-socket boards that don't expose...

DEBIAN-CVE-2026-97945

In the Linux kernel, the following vulnerability has been resolved: x86/mm: Fix user-space data loss with MADVFREE and THP Some of users of Polars a data analytics library have lost production data from this bug. They seem to have just the right combination of huge pages, MADVFREE and heavy recla...

UBUNTU-CVE-2026-98088

In the Linux kernel, the following vulnerability has been resolved: scsi: mpt3sas: Avoid out-of-bounds cpumaskofnode call in baseassignreplyqueues devtonode can return NUMANONODE -1 on systems without NUMA topology information for the PCI device, such as single-socket boards that don't expose...

EUVD-2026-86918

In the Linux kernel, the following vulnerability has been resolved: scsi: mpt3sas: Avoid out-of-bounds cpumaskofnode call in baseassignreplyqueues devtonode can return NUMANONODE -1 on systems without NUMA topology information for the PCI device, such as single-socket boards that don't expose...

CVE-2026-98088

The Linux kernel contains an out-of-bounds array read vulnerability within the scsi: mpt3sas driver. The issue occurs in the _base_assign_reply_queues() function because dev_to_node() can return NUMA_NO_NODE (-1) on systems lacking NUMA topology information (e.g., certain single-socket boards). T...

CVE-2026-98088 scsi: mpt3sas: Avoid out-of-bounds cpumask_of_node() call in _base_assign_reply_queues()

In the Linux kernel, the following vulnerability has been resolved: scsi: mpt3sas: Avoid out-of-bounds cpumaskofnode call in baseassignreplyqueues devtonode can return NUMANONODE -1 on systems without NUMA topology information for the PCI device, such as single-socket boards that don't expose...

CVE-2026-98088 scsi: mpt3sas: Avoid out-of-bounds cpumask_of_node() call in _base_assign_reply_queues()

In the Linux kernel, the following vulnerability has been resolved: scsi: mpt3sas: Avoid out-of-bounds cpumaskofnode call in baseassignreplyqueues devtonode can return NUMANONODE -1 on systems without NUMA topology information for the PCI device, such as single-socket boards that don't expose...

CVE-2026-98088: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: scsi: mpt3sas: Avoid out-of-bounds cpumaskofnode call in baseassignreplyqueues devtonode can return NUMANONODE -1 on systems without NUMA topology information for the PCI device, such as single-socket boards that don't expose...

numa v0.23.1

Numa DNS you own. Everywhere you go. — numa.rs A portable DNS resolver in a single binary. Block ads on any network, name your local services frontend.numa, override any hostname with auto-revert, and seal every outbound query with ODoH RFC 9230 so no single party sees both who you are and what y...

CVE-2026-89966: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlbcma: fix null nodemask dereference in hugetlbcmaallocfrozenfolio allocbuddyhugetlbfoliowithmpol can pass a NULL nodemask to allocfreshhugetlbfolio as a fallback to allocate from all nodes. If order is gigantic,...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: dma-mapping: Benchmark: Properly handling NUMANONODE. The cpumaskofnode function can be called within domapbenchmark when dealing with NUMANONODE. This results in the following issue reported by the sanitizer tool: UBSAN: Array...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm: Do not attempt to NUMA-migrate COW pages that have other uses. Oded Gabbay reported that enabling NUMA balancing causes corruption in his Gaudi accelerator test. He described the situation as follows: “All the details are in...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: avoided invalid memory access via nodeonlineNUMANONODE. KASAN reports: 4.668325 T0 BUG: KASAN: wild-memory-access in dmarparseonerhsa arch/x86/include/asm/bitops.h:214, arch/x86/include/asm/bitops.h:226,...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: dma-mapping: benchmark: fix node id validation While validating node IDs in mapbenchmarkioctl, the nodepossible function may receive invalid arguments outside the range of 0, MAXNUMNODES-1, leading to: BUG: KASAN:...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: mm/vmscan: fixed a bug that called wakeupkswapd with an incorrect zone index. When numa balancing is enabled, and a numa system is running where a numa node does not have its own local memory, causing it to have no managed...

AZL-100421 CVE-2026-89549 affecting package kernel for versions less than 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: sunrpc: route to a populated pool in svcpoolforcpu svcsetnumthreads spreads the requested threads evenly across the service's pools base = nrservs / svnrpools. When a service runs fewer threads than it has pools -- e.g. an nfsd...

EUVD-2026-76460

In the Linux kernel, the following vulnerability has been resolved: sunrpc: route to a populated pool in svcpoolforcpu svcsetnumthreads spreads the requested threads evenly across the service's pools base = nrservs / svnrpools. When a service runs fewer threads than it has pools -- e.g. an nfsd...

CVE-2026-89549

CVE-2026-89549 is a Denial of Service vulnerability in the Linux kernel's sunrpc subsystem (used by nfsd). When a service runs fewer threads than available pools—for example, nfsd configured with fewer threads than the host's NUMA nodes in pernode or percpu mode—svc_xprt_enqueue() can route a tra...