{"answers":{"affected":"It affects 1 product.","exploited":"There is no known exploitation of CVE-2022-42896 in the wild and no public exploit code.","fix":"Apply the vendor's patch.","what":"CVE-2022-42896 is a high-severity use after free vulnerability in Linux kernel, published on 23 Nov 2022. 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-2022-42896 and fix it if it is affected.\n\nWhat it is: CVE-2022-42896 is a high-severity use after free vulnerability in Linux kernel, published on 23 Nov 2022. 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-2022-42896 in the wild and no public exploit code.\n\nAffected product: Linux kernel. 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-2022-42896/ (Markdown: https://insights.sbomify.com/CVE-2022-42896/index.md)","id":"CVE-2022-42896","markdown":"https://insights.sbomify.com/CVE-2022-42896/index.md","name":"CVE-2022-42896","record":{"aliases":["DEBIAN-CVE-2022-42896","GHSA-pvw8-76h2-7q32","RHSA-2023:3461","RHSA-2023:3462","RHSA-2023:3517","RHSA-2023:4230","UBUNTU-CVE-2022-42896","USN-5783-1"],"analysis":{"component_type":"kernel","fix_type":"patch","impacts":["code_execution","data_read"],"network_reachable":"adjacent_or_local","non_default_config":false,"product_category":"Linux Kernel","requires_auth":"none","summary":"Remote attackers within Bluetooth proximity can execute code or leak kernel memory via use-after-free flaws in the Linux kernel Bluetooth stack.","user_interaction":"not_required","vuln_class":"use_after_free"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"Google","cpe":[{"product":"linux_kernel","vendor":"linux"}],"cvss":{"score":8,"severity":"high","source":"cna","vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N","version":"3.1"},"cwes":[{"id":"CWE-416","name":"Use After Free"}],"description":"There are use-after-free vulnerabilities in the Linux kernel's net/bluetooth/l2cap_core.c's l2cap_connect and l2cap_le_connect_req functions which may allow code execution and leaking kernel memory (respectively) remotely via Bluetooth. A remote attacker could execute code leaking kernel memory via Bluetooth if within proximity of the victim.\n\nWe recommend upgrading past commit   https://www.google.com/url  https://github.com/torvalds/linux/commit/711f8c3fb3db61897080468586b970c87c61d9e4 https://www.google.com/url","ecosystems":["Red Hat:rhel_aus:8.4::baseos","Red Hat:rhel_e4s:8.4::baseos","Red Hat:rhel_e4s:8.4::nfv","Red Hat:rhel_eus:9.0::baseos","Red Hat:rhel_tus:8.4::baseos","Red Hat:rhel_tus:8.4::nfv","Red Hat:rhel_tus:8.4::realtime"],"exploits":{"exploitdb":0,"first_seen":"2023-04-05","github_poc":2,"max_poc_stars":0,"metasploit":0,"nuclei":0,"refs":[{"date":"2023-04-05T05:33:09Z","kind":"github_poc","ref":"https://github.com/Satheesh575555/linux-4.19.72_CVE-2022-42896","stars":0,"title":null},{"date":"2023-04-05T09:10:38Z","kind":"github_poc","ref":"https://github.com/Trinadh465/linux-4.19.72_CVE-2022-42896","stars":0,"title":null}],"tier":"poc_unverified"},"has_fix":true,"headline":"Info Leak in l2cap_core in the Linux Kernel","id":"CVE-2022-42896","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":"linux:linux_kernel","products":["linux:linux_kernel"],"type":"use_after_free","year":"2022"},"n_packages":160,"n_references":2,"next":{"headline":"Command injection in n/a","id":"CVE-2022-42897"},"packages":[{"ecosystem":"Red Hat:rhel_aus:8.4::baseos","fixed":["0:4.18.0-305.91.1.el8_4"],"introduced":["0"],"last_affected":[],"package":"bpftool","purl":"pkg:rpm/redhat/bpftool","source":"RHSA-2023:3461"},{"ecosystem":"Red Hat:rhel_aus:8.4::baseos","fixed":["0:4.18.0-305.91.1.el8_4"],"introduced":["0"],"last_affected":[],"package":"bpftool-debuginfo","purl":"pkg:rpm/redhat/bpftool-debuginfo","source":"RHSA-2023:3461"},{"ecosystem":"Red Hat:rhel_aus:8.4::baseos","fixed":["0:4.18.0-305.91.1.el8_4"],"introduced":["0"],"last_affected":[],"package":"kernel","purl":"pkg:rpm/redhat/kernel","source":"RHSA-2023:3461"},{"ecosystem":"Red Hat:rhel_aus:8.4::baseos","fixed":["0:4.18.0-305.91.1.el8_4"],"introduced":["0"],"last_affected":[],"package":"kernel-abi-stablelists","purl":"pkg:rpm/redhat/kernel-abi-stablelists","source":"RHSA-2023:3461"},{"ecosystem":"Red Hat:rhel_aus:8.4::baseos","fixed":["0:4.18.0-305.91.1.el8_4"],"introduced":["0"],"last_affected":[],"package":"kernel-core","purl":"pkg:rpm/redhat/kernel-core","source":"RHSA-2023:3461"},{"ecosystem":"Red Hat:rhel_aus:8.4::baseos","fixed":["0:4.18.0-305.91.1.el8_4"],"introduced":["0"],"last_affected":[],"package":"kernel-debug","purl":"pkg:rpm/redhat/kernel-debug","source":"RHSA-2023:3461"},{"ecosystem":"Red Hat:rhel_aus:8.4::baseos","fixed":["0:4.18.0-305.91.1.el8_4"],"introduced":["0"],"last_affected":[],"package":"kernel-debug-core","purl":"pkg:rpm/redhat/kernel-debug-core","source":"RHSA-2023:3461"},{"ecosystem":"Red Hat:rhel_aus:8.4::baseos","fixed":["0:4.18.0-305.91.1.el8_4"],"introduced":["0"],"last_affected":[],"package":"kernel-debug-debuginfo","purl":"pkg:rpm/redhat/kernel-debug-debuginfo","source":"RHSA-2023:3461"},{"ecosystem":"Red Hat:rhel_aus:8.4::baseos","fixed":["0:4.18.0-305.91.1.el8_4"],"introduced":["0"],"last_affected":[],"package":"kernel-debug-devel","purl":"pkg:rpm/redhat/kernel-debug-devel","source":"RHSA-2023:3461"},{"ecosystem":"Red Hat:rhel_aus:8.4::baseos","fixed":["0:4.18.0-305.91.1.el8_4"],"introduced":["0"],"last_affected":[],"package":"kernel-debug-modules","purl":"pkg:rpm/redhat/kernel-debug-modules","source":"RHSA-2023:3461"},{"ecosystem":"Red Hat:rhel_aus:8.4::baseos","fixed":["0:4.18.0-305.91.1.el8_4"],"introduced":["0"],"last_affected":[],"package":"kernel-debug-modules-extra","purl":"pkg:rpm/redhat/kernel-debug-modules-extra","source":"RHSA-2023:3461"},{"ecosystem":"Red Hat:rhel_aus:8.4::baseos","fixed":["0:4.18.0-305.91.1.el8_4"],"introduced":["0"],"last_affected":[],"package":"kernel-debuginfo","purl":"pkg:rpm/redhat/kernel-debuginfo","source":"RHSA-2023:3461"},{"ecosystem":"Red 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in the Linux Kernel","id":"CVE-2022-42895"},"products":["Linux Kernel"],"published":"2022-11-23","related":[{"cvss_score":8.8,"headline":"Linux Kernel Out-of-Bounds Write","id":"CVE-2026-53266","kev_date_added":"2026-09-18","published":"2026-06-25"},{"cvss_score":8.8,"headline":"Linux Kernel Improper Input Validation","id":"CVE-2013-6282","kev_date_added":"2022-09-15","published":"2013-11-19"},{"cvss_score":8.4,"headline":"Linux Kernel Heap-Based Buffer Overflow","id":"CVE-2022-0185","kev_date_added":"2024-08-21","published":"2022-02-11"},{"cvss_score":8.4,"headline":"Linux Kernel Privilege Escalation","id":"CVE-2013-2094","kev_date_added":"2022-09-15","published":"2013-05-14"},{"cvss_score":7.8,"headline":"Linux Kernel Unspecified","id":"CVE-2026-53362","kev_date_added":"2026-08-27","published":"2026-07-04"},{"cvss_score":7.8,"headline":"Linux Kernel Missing Initialization of a Variable","id":"CVE-2026-46300","kev_date_added":"2026-10-28","published":"2026-05-23"},{"cvss_score":7.8,"headline":"Linux Kernel Race Condition","id":"CVE-2025-39964","kev_date_added":"2026-09-18","published":"2025-10-13"}],"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":"open","licence":"CC0","name":"PoC-in-GitHub"}],"ssvc":{"automatable":"no","exploitation":"none","technical_impact":"total"},"state":"PUBLISHED","updated":"2026-10-14","vendors":["Linux"]},"summary":"Remote attackers within Bluetooth proximity can execute code or leak kernel memory via use-after-free flaws in the Linux kernel Bluetooth stack.","url":"https://insights.sbomify.com/CVE-2022-42896/"}