{"answers":{"affected":"","exploited":"There is no known exploitation of CVE-2025-68743 in the wild and no public exploit code.","fix":"Apply the vendor's patch.","what":"CVE-2025-68743 is a vulnerability in Linux, published on 24 Dec 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-2025-68743 and fix it if it is affected.\n\nWhat it is: CVE-2025-68743 is a vulnerability in Linux, published on 24 Dec 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-2025-68743 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-2025-68743/ (Markdown: https://insights.sbomify.com/CVE-2025-68743/index.md)","id":"CVE-2025-68743","markdown":"https://insights.sbomify.com/CVE-2025-68743/index.md","name":"CVE-2025-68743","record":{"aliases":["BELL-CVE-2025-68743","DEBIAN-CVE-2025-68743","GHSA-98rv-gpf2-fj42","UBUNTU-CVE-2025-68743"],"analysis":{"component_type":"kernel","fix_type":"patch","impacts":["privilege_escalation","denial_of_service"],"network_reachable":"adjacent_or_local","non_default_config":false,"product_category":"Linux kernel","requires_auth":"low_privilege","summary":"A logic error in the Linux kernel's mshv driver allows userspace to bypass memory region overlap checks, potentially leading to privilege escalation or denial of service.","user_interaction":"not_required","vuln_class":"other"},"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\nmshv: Fix create memory region overlap check\n\nThe current check is incorrect; it only checks if the beginning or end\nof a region is within an existing region. This doesn't account for\nuserspace specifying a region that begins before and ends after an\nexisting region.\n\nChange the logic to a range intersection check against gfns and uaddrs\nfor each region.\n\nRemove mshv_partition_region_by_uaddr() as it is no longer used.","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":"mshv: Fix create memory region overlap check","id":"CVE-2025-68743","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"other","year":"2025"},"n_packages":0,"n_references":3,"next":{"headline":"bpf: Free special fields when update [lru_,]percpu_hash maps","id":"CVE-2025-68744"},"packages":[],"prev":{"headline":"bpf: Fix invalid prog-\u003estats access when update_effective_progs fails","id":"CVE-2025-68742"},"products":["Linux"],"published":"2025-12-24","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":"2026-05-11","vendors":["Linux"]},"summary":"A logic error in the Linux kernel's mshv driver allows userspace to bypass memory region overlap checks, potentially leading to privilege escalation or denial of service.","url":"https://insights.sbomify.com/CVE-2025-68743/"}