{"vulnerability": "cve-2026-89775", "sightings": [{"uuid": "f1664166-13db-45d6-9287-ca1a7358f030", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-89775", "type": "seen", "source": "https://bsky.app/profile/stackflag.bsky.social/post/3mvngtuvmrh25", "content": "CVE-2026-89775 - linux\nA problem in the Linux kernel\u2019s memory\u2011management code could cause the system to skip needed clean\u2011up steps, which may lead to slower performance or occasional instability. The error\u2026\n\nToo many irrelevant or confusing CVEs? Use stackflag.com\n\n#linux #Debian14 #CVE #infosec", "creation_timestamp": "2026-09-16T15:20:06.267418Z"}, {"uuid": "7b7f1af0-b7bb-448f-8a47-5921d56e8a81", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-89775", "type": "seen", "source": "https://bsky.app/profile/securityonline.bsky.social/post/3mvomusyx742o", "content": "A critical KVM guest escape (CVE-2026-89775) enables an LPE to gain root on Linux hosts. Patch this KVM guest escape vulnerability now.\n\n#KVM #LinuxKernel #CVE202689775 #Cybersecurity #InfoSec", "creation_timestamp": "2026-09-17T02:40:40.085130Z"}, {"uuid": "efaddc37-f354-45b1-895c-f936df3f9f62", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-89775", "type": "seen", "source": "https://bsky.app/profile/kitafox.bsky.social/post/3mvr3rvc5l22z", "content": "KVM Guest Escape: Critical CVE-2026-89775 Lets Attackers Break Out of VMs\uff08KVM\u306bCritical\u8106\u5f31\u6027\u3001\u4eee\u60f3\u30de\u30b7\u30f3\u304b\u3089\u30db\u30b9\u30c8\u3078\u306e\u8131\u51fa\u304c\u53ef\u80fd\uff09 #SecurityOnline (Sep 17)\n\nsecurityonline.info/kvm-guest-es...", "creation_timestamp": "2026-09-18T02:12:47.451634Z"}, {"uuid": "a506891c-e5c9-4299-87d9-14df767f00e4", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-89775", "type": "seen", "source": "https://bsky.app/profile/thedailytechfeed.com/post/3mw464c57o72s", "content": "ARM64 KVM nested-virtual hosts vulnerable to CVE-2026-89775: guest VMs can escape and write host memory. Update kernels now. #Security #Linux #ARM64 #KVM #KernelVulnerability https://thedailytechfeed.com/critical-linux-vulnerability-lets-arm64-kvm-guests-escape-to-host-memory/", "creation_timestamp": "2026-09-22T11:53:41.494957Z"}, {"uuid": "bea28723-efc6-45df-9e5c-df97a347c67b", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-89775", "type": "seen", "source": "https://bsky.app/profile/deafnews-auto.bsky.social/post/3mw472sbtgj2w", "content": "CVE-2026-89775: ARM64 Guest Gains Host Memory Access via KVM TLB Bug", "creation_timestamp": "2026-09-22T12:10:44.459929Z"}, {"uuid": "4df0a1eb-2ec9-4686-bdf3-49e116d389e5", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-89775", "type": "seen", "source": "https://bsky.app/profile/devopsbriefly.bsky.social/post/3mw47ek4zvk2g", "content": "CVE-2026-89775 in ARM64 KVM nested virtualization can expose freed host memory to a guest, enabling host memory read/write and potential guest escape.\n", "creation_timestamp": "2026-09-22T12:16:12.972914Z"}, {"uuid": "bcab83a5-18fd-41d8-a1e5-3c0ccc252446", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-89775", "type": "seen", "source": "https://bsky.app/profile/infosecbriefly.bsky.social/post/3mw47j66y442q", "content": "CVE-2026-89775 in ARM64 KVM nested virtualization can expose freed host memory to a guest, enabling host memory read/write and potential guest escape.\n", "creation_timestamp": "2026-09-22T12:18:46.933129Z"}, {"uuid": "ce25b712-144d-4e28-984e-d94e04ae1289", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-89775", "type": "seen", "source": "https://thehackernews.com/2026/09/new-linux-kernel-flaw-gives-arm64-kvm.html", "content": "A new flaw in the Linux kernel's KVM virtualization code for ARM64 processors can leave a freed piece of host memory exposed to a guest virtual machine on hosts with nested virtualization enabled.\n\nThe bug, tracked as CVE-2026-89775, allows a guest to read and write host kernel memory, and the researcher who found it says it can be used to escape the guest and run code on the host machine.", "creation_timestamp": "2026-09-22T13:00:41.941154Z"}]}