{"answers":{"affected":"","exploited":"There is no known exploitation of CVE-2025-40302 in the wild and no public exploit code.","fix":"Apply the vendor's patch.","what":"CVE-2025-40302 is a high-severity use after free vulnerability in Linux, published on 8 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-2025-40302 and fix it if it is affected.\n\nWhat it is: CVE-2025-40302 is a high-severity use after free vulnerability in Linux, published on 8 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-2025-40302 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-2025-40302/ (Markdown: https://insights.sbomify.com/CVE-2025-40302/index.md)","id":"CVE-2025-40302","markdown":"https://insights.sbomify.com/CVE-2025-40302/index.md","name":"CVE-2025-40302","record":{"aliases":["BELL-CVE-2025-40302","DEBIAN-CVE-2025-40302","GHSA-wxf8-j2xw-xgh9","ROOT-OS-DEBIAN-13-CVE-2025-40302","UBUNTU-CVE-2025-40302"],"analysis":{"component_type":"kernel","fix_type":"patch","impacts":["code_execution","privilege_escalation"],"network_reachable":"adjacent_or_local","non_default_config":false,"product_category":"Linux kernel","requires_auth":"low_privilege","summary":"A use-after-free vulnerability in the Linux kernel's videobuf2 subsystem allows attackers to corrupt memory and potentially execute code or escalate privileges.","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\nmedia: videobuf2: forbid remove_bufs when legacy fileio is active\n\nvb2_ioctl_remove_bufs() call manipulates queue internal buffer list,\npotentially overwriting some pointers used by the legacy fileio access\nmode. Forbid that ioctl when fileio is active to protect internal queue\nstate between subsequent read/write calls.","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":"media: videobuf2: forbid remove_bufs when legacy fileio is active","id":"CVE-2025-40302","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"use_after_free","year":"2025"},"n_packages":0,"n_references":3,"next":{"headline":"btrfs: ensure no dirty metadata is written back for an fs with errors","id":"CVE-2025-40303"},"packages":[],"prev":{"headline":"Bluetooth: hci_event: validate skb length for unknown CC opcode","id":"CVE-2025-40301"},"products":["Linux"],"published":"2025-12-08","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 videobuf2 subsystem allows attackers to corrupt memory and potentially execute code or escalate privileges.","url":"https://insights.sbomify.com/CVE-2025-40302/"}