uaf-exploit-cve-2026-23415

CVE-2026-23415 PoC CVE-2026-23415 에 대한 개념 증명, 리눅스 커널 futex 서브시스템의 use-after-free 취약점입니다. 취약점 정보 futexkeytonodeopt와 vmareplacepolicy 사이에 경쟁 조건이 존재합니다. futex 코드가 가상 메모리 영역의 NUMA 메모리 정책을 읽는 동안, 다른 스레드가 mbind를 통해 해당 정책을 교체하고 해제할 수 있습니다. 그러면 커널이 해제된 정책 포인터를 역참조하여 use-after-free 읽기가 발생합니다. 사용법 개념 증명 실행...

numa

Numa 당신이 소유하는 DNS. 어디를 가든. — numa.rs 단일 바이너리로 동작하는 휴대용 DNS 리졸버. 어떤 네트워크에서든 광고를 차단하고, 로컬 서비스에 이름을 붙이고frontend.numa, 자동 복원 기능으로 어떤 호스트명이든 재정의하며, 모든 아웃바운드 쿼리를 ODoH RFC 9230 로 봉인하여 누가 당신인지와 무엇을 물었는지를 단일 주체가 동시에 볼 수 없게 합니다 — 모두 노트북에서, 클라우드 계정이나 라즈베리 파이 없이 가능합니다. Rust로 처음부터 직접 구현했습니다. DNS 라이브러리는 전혀 사용하...

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...