{"answers":{"affected":"","exploited":"There is no known exploitation of CVE-2025-40283 in the wild and no public exploit code.","fix":"Apply the vendor's patch.","what":"CVE-2025-40283 is a high-severity use after free vulnerability in Linux, published on 6 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-2025-40283 and fix it if it is affected.\n\nWhat it is: CVE-2025-40283 is a high-severity use after free vulnerability in Linux, published on 6 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-2025-40283 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-2025-40283/ (Markdown: https://insights.sbomify.com/CVE-2025-40283/index.md)","id":"CVE-2025-40283","markdown":"https://insights.sbomify.com/CVE-2025-40283/index.md","name":"CVE-2025-40283","record":{"aliases":["BELL-CVE-2025-40283","DEBIAN-CVE-2025-40283","GHSA-x57x-cxmg-52pw","ROOT-OS-DEBIAN-12-CVE-2025-40283","ROOT-OS-DEBIAN-13-CVE-2025-40283","ROOT-OS-UBUNTU-2204-CVE-2025-40283","ROOT-OS-UBUNTU-2404-CVE-2025-40283","UBUNTU-CVE-2025-40283"],"analysis":{"component_type":"kernel","fix_type":"patch","impacts":["code_execution","denial_of_service"],"network_reachable":"adjacent_or_local","non_default_config":false,"product_category":"Linux kernel Bluetooth","requires_auth":"low_privilege","summary":"A use-after-free vulnerability in the Linux kernel's Bluetooth USB driver allows attackers to potentially execute code or cause a system crash.","user_interaction":"not_required","vuln_class":"use_after_free"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"Linux","cpe":[],"cvss":{"score":7.8,"severity":"high","source":"cna","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"cwes":[],"description":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btusb: reorder cleanup in btusb_disconnect to avoid UAF\n\nThere is a KASAN: slab-use-after-free read in btusb_disconnect().\nCalling \"usb_driver_release_interface(\u0026btusb_driver, data-\u003eintf)\" will\nfree the btusb data associated with the interface. The same data is\nthen used later in the function, hence the UAF.\n\nFix by moving the accesses to btusb data to before the data is free'd.","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":"Bluetooth: btusb: reorder cleanup in btusb_disconnect to avoid UAF","id":"CVE-2025-40283","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"use_after_free","year":"2025"},"n_packages":0,"n_references":8,"next":{"headline":"Bluetooth: MGMT: cancel mesh send timer when hdev removed","id":"CVE-2025-40284"},"packages":[],"prev":{"headline":"Bluetooth: 6lowpan: reset link-local header on ipv6 recv path","id":"CVE-2025-40282"},"products":["Linux"],"published":"2025-12-06","related":[],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":"no","exploitation":"none","technical_impact":"total"},"state":"PUBLISHED","updated":"2026-10-15","vendors":["Linux"]},"summary":"A use-after-free vulnerability in the Linux kernel's Bluetooth USB driver allows attackers to potentially execute code or cause a system crash.","url":"https://insights.sbomify.com/CVE-2025-40283/"}