{"answers":{"affected":"It affects 2 products.","exploited":"There is no known exploitation of CVE-2017-6074 in the wild and no public exploit code.","fix":"Apply the vendor's patch.","what":"CVE-2017-6074 is a high-severity use after free vulnerability in Debian Debian Linux, published on 18 Feb 2017. 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-2017-6074 and fix it if it is affected.\n\nWhat it is: CVE-2017-6074 is a high-severity use after free vulnerability in Debian Debian Linux, published on 18 Feb 2017. 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-2017-6074 in the wild and no public exploit code.\n\nAffected product: Debian Debian 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-2017-6074/ (Markdown: https://insights.sbomify.com/CVE-2017-6074/index.md)","id":"CVE-2017-6074","markdown":"https://insights.sbomify.com/CVE-2017-6074/index.md","name":"CVE-2017-6074","record":{"aliases":["DEBIAN-CVE-2017-6074","GHSA-2gwg-mmmc-55j4","RHSA-2017:0293","RHSA-2017:0294","RHSA-2017:0295","RHSA-2017:0316","RHSA-2017:0324","RHSA-2017:0345","RHSA-2017:0365","RHSA-2017:0366","RHSA-2017:0403","RHSA-2017:0501","RHSA-2017:1209","UBUNTU-CVE-2017-6074"],"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":"Local attackers can gain root privileges or cause a denial of service via a double free vulnerability in the Linux kernel DCCP implementation.","user_interaction":"not_required","vuln_class":"use_after_free"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"mitre","cpe":[{"product":"debian_linux","vendor":"debian"},{"product":"linux_kernel","vendor":"linux"}],"cvss":{"score":7.8,"severity":"high","source":"nvd","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"cwes":[{"id":"CWE-415","name":"Double Free"}],"description":"The dccp_rcv_state_process function in net/dccp/input.c in the Linux kernel through 4.9.11 mishandles DCCP_PKT_REQUEST packet data structures in the LISTEN state, which allows local users to obtain root privileges or cause a denial of service (double free) via an application that makes an IPV6_RECVPKTINFO setsockopt system call.","ecosystems":["Red Hat:enterprise_linux:6::client","Red Hat:enterprise_linux:6::computenode","Red Hat:enterprise_linux:6::hypervisor","Red Hat:enterprise_linux:6::server","Red Hat:enterprise_linux:6::workstation","Red Hat:enterprise_linux:7::client","Red Hat:enterprise_linux:7::computenode","Red Hat:enterprise_linux:7::hypervisor","Red Hat:enterprise_linux:7::server","Red Hat:enterprise_linux:7::workstation","Red Hat:rhel_aus:6.4::server","Red Hat:rhel_aus:6.5::server","Red Hat:rhel_aus:6.6::server","Red Hat:rhel_eus:6.7::computenode","Red Hat:rhel_eus:6.7::server","Red Hat:rhel_eus:7.1::computenode","Red Hat:rhel_eus:7.1::server","Red Hat:rhel_eus:7.2::computenode","Red Hat:rhel_eus:7.2::server","Red Hat:rhel_extras_rt:7","Red Hat:rhel_mission_critical:6.2::server","Red Hat:rhel_tus:6.5::server","Red Hat:rhel_tus:6.6::server"],"exploits":{"exploitdb":2,"first_seen":"2017-02-26","github_poc":2,"max_poc_stars":1,"metasploit":0,"nuclei":0,"refs":[{"date":"2020-05-12T17:13:43Z","kind":"github_poc","ref":"https://github.com/BimsaraMalinda/Linux-Kernel-4.4.0-Ubuntu---DCCP-Double-Free-Privilege-Escalation-CVE-2017-6074","stars":1,"title":null},{"date":"2017-02-26","kind":"exploitdb","ref":"41457","stars":null,"title":"Linux Kernel 4.4.0 (Ubuntu) - DCCP Double-Free (PoC)"},{"date":"2017-02-26","kind":"exploitdb","ref":"41458","stars":null,"title":"Linux Kernel 4.4.0 (Ubuntu) - DCCP Double-Free Privilege Escalation"},{"date":"2025-09-03T11:21:28Z","kind":"github_poc","ref":"https://github.com/34zY/CVE-2017-6074-DOS","stars":0,"title":"This repository provides a modified version of the original CVE-2017-6074 exploit (use-after-free in the Linux kernel DCCP subsystem), designed only to demonstrate Denial of Service (DoS) impact. An authenticated local user can trigger a kernel panic, causing a total loss of system availability."}],"tier":"poc_unverified"},"has_fix":true,"headline":"Use after free in n/a","id":"CVE-2017-6074","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":"debian:debian_linux","products":["debian:debian_linux","linux:linux_kernel"],"type":"use_after_free","year":"2017"},"n_packages":380,"n_references":25,"next":{"headline":"Information disclosure in n/a","id":"CVE-2017-6076"},"packages":[{"ecosystem":"Red Hat:enterprise_linux:6::client","fixed":["0:2.6.32-642.13.2.el6"],"introduced":["0"],"last_affected":[],"package":"kernel","purl":"pkg:rpm/redhat/kernel","source":"RHSA-2017:0293"},{"ecosystem":"Red Hat:enterprise_linux:6::client","fixed":["0:2.6.32-642.13.2.el6"],"introduced":["0"],"last_affected":[],"package":"kernel-abi-whitelists","purl":"pkg:rpm/redhat/kernel-abi-whitelists","source":"RHSA-2017:0293"},{"ecosystem":"Red Hat:enterprise_linux:6::client","fixed":["0:2.6.32-642.13.2.el6"],"introduced":["0"],"last_affected":[],"package":"kernel-debug","purl":"pkg:rpm/redhat/kernel-debug","source":"RHSA-2017:0293"},{"ecosystem":"Red Hat:enterprise_linux:6::client","fixed":["0:2.6.32-642.13.2.el6"],"introduced":["0"],"last_affected":[],"package":"kernel-debug-debuginfo","purl":"pkg:rpm/redhat/kernel-debug-debuginfo","source":"RHSA-2017:0293"},{"ecosystem":"Red Hat:enterprise_linux:6::client","fixed":["0:2.6.32-642.13.2.el6"],"introduced":["0"],"last_affected":[],"package":"kernel-debug-devel","purl":"pkg:rpm/redhat/kernel-debug-devel","source":"RHSA-2017:0293"},{"ecosystem":"Red Hat:enterprise_linux:6::client","fixed":["0:2.6.32-642.13.2.el6"],"introduced":["0"],"last_affected":[],"package":"kernel-debuginfo","purl":"pkg:rpm/redhat/kernel-debuginfo","source":"RHSA-2017:0293"},{"ecosystem":"Red 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Injection","id":"CVE-2026-24061","kev_date_added":"2026-01-26","published":"2026-01-21"},{"cvss_score":9.8,"headline":"Linux Kernel Improper Check for Unusual or Exceptional Conditions","id":"CVE-2025-39682","kev_date_added":"2026-09-18","published":"2025-09-05"},{"cvss_score":9.8,"headline":"Mozilla Firefox Use-After-Free","id":"CVE-2024-9680","kev_date_added":"2024-10-15","published":"2024-10-09"},{"cvss_score":9.8,"headline":"RARLAB UnRAR Directory Traversal","id":"CVE-2022-30333","kev_date_added":"2022-08-09","published":"2022-05-09"},{"cvss_score":9.8,"headline":"Roundcube Webmail SQL Injection","id":"CVE-2021-44026","kev_date_added":"2023-06-22","published":"2021-11-19"}],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"CC BY 4.0","name":"Red Hat","prefix":"RHSA"},{"class":"attribution","licence":"US public information, NVD API terms","name":"NVD"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"},{"class":"attribution","licence":"GPL-2.0-or-later","name":"Exploit-DB"},{"class":"open","licence":"CC0","name":"PoC-in-GitHub"}],"ssvc":{"automatable":null,"exploitation":null,"technical_impact":null},"state":"PUBLISHED","updated":"2024-08-05","vendors":["n/a"]},"summary":"Local attackers can gain root privileges or cause a denial of service via a double free vulnerability in the Linux kernel DCCP implementation.","url":"https://insights.sbomify.com/CVE-2017-6074/"}