{"answers":{"affected":"","exploited":"There is no known exploitation of CVE-2025-40065 in the wild and no public exploit code.","fix":"Apply the vendor's patch.","what":"CVE-2025-40065 is a vulnerability in Linux, published on 28 Oct 2025. It can only be exploited from the same machine or local network, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2025-40065 and fix it if it is affected.\n\nWhat it is: CVE-2025-40065 is a vulnerability in Linux, published on 28 Oct 2025. It can only be exploited from the same machine or local network, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2025-40065 in the wild and no public exploit code.\n\nAffected product: Linux. No package-level version data is available, so check the vendor advisory linked from the reference page.\n\nTask:\n1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.\n2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.\n3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.\n4. Run the tests and summarise what changed and why.\n5. If nothing in the project is affected, say so and change nothing.\n\nReference: https://insights.sbomify.com/CVE-2025-40065/ (Markdown: https://insights.sbomify.com/CVE-2025-40065/index.md)","id":"CVE-2025-40065","markdown":"https://insights.sbomify.com/CVE-2025-40065/index.md","name":"CVE-2025-40065","record":{"aliases":["AZL-68924","BELL-CVE-2025-40065","DEBIAN-CVE-2025-40065","GHSA-m7w6-fmw8-2v8x","ROOT-OS-DEBIAN-12-CVE-2025-40065","ROOT-OS-DEBIAN-13-CVE-2025-40065","ROOT-OS-UBUNTU-2404-CVE-2025-40065","UBUNTU-CVE-2025-40065"],"analysis":{"component_type":"kernel","fix_type":"patch","impacts":["denial_of_service"],"network_reachable":"adjacent_or_local","non_default_config":false,"product_category":"Linux kernel KVM","requires_auth":"high_privilege","summary":"A Linux kernel KVM bug on RISC-V systems writes invalid bits to the hgatp register, potentially causing system instability or crashes.","user_interaction":"not_required","vuln_class":"misconfiguration"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"Linux","cpe":[],"cvss":{"score":null,"severity":null,"source":null,"vector":null,"version":null},"cwes":[],"description":"In the Linux kernel, the following vulnerability has been resolved:\n\nRISC-V: KVM: Write hgatp register with valid mode bits\n\nAccording to the RISC-V Privileged Architecture Spec, when MODE=Bare\nis selected,software must write zero to the remaining fields of hgatp.\n\nWe have detected the valid mode supported by the HW before, So using a\nvalid mode to detect how many vmid bits are supported.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":true,"headline":"RISC-V: KVM: Write hgatp register with valid mode bits","id":"CVE-2025-40065","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"misconfiguration","year":"2025"},"n_packages":0,"n_references":4,"next":{"headline":"wifi: mt76: mt7996: Check phy before init msta_link in mt7996_mac_sta_add_links()","id":"CVE-2025-40066"},"packages":[],"prev":{"headline":"smc: Fix use-after-free in __pnet_find_base_ndev().","id":"CVE-2025-40064"},"products":["Linux"],"published":"2025-10-28","related":[],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"}],"ssvc":{"automatable":null,"exploitation":null,"technical_impact":null},"state":"PUBLISHED","updated":"2026-10-21","vendors":["Linux"]},"summary":"A Linux kernel KVM bug on RISC-V systems writes invalid bits to the hgatp register, potentially causing system instability or crashes.","url":"https://insights.sbomify.com/CVE-2025-40065/"}