{"answers":{"affected":"It affects 84 products.","exploited":"There is no known exploitation of CVE-2021-26339 in the wild and no public exploit code.","fix":"Apply the vendor's patch.","what":"CVE-2021-26339 is a medium-severity denial of service vulnerability in Amd Epyc 72f3 Firmware, published on 11 May 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-2021-26339 and fix it if it is affected.\n\nWhat it is: CVE-2021-26339 is a medium-severity denial of service vulnerability in Amd Epyc 72f3 Firmware, published on 11 May 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-2021-26339 in the wild and no public exploit code.\n\nAffected product: Amd Epyc 72f3 Firmware. 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-2021-26339/ (Markdown: https://insights.sbomify.com/CVE-2021-26339/index.md)","id":"CVE-2021-26339","markdown":"https://insights.sbomify.com/CVE-2021-26339/index.md","name":"CVE-2021-26339","record":{"aliases":["GHSA-jp8x-pjv8-649v"],"analysis":{"component_type":"hardware_firmware","fix_type":"patch","impacts":["denial_of_service"],"network_reachable":"adjacent_or_local","non_default_config":false,"product_category":"AMD CPU","requires_auth":"low_privilege","summary":"An attacker in an unprivileged VM can trigger a CPU core hang via specific x86 instructions, causing denial of service on AMD processors.","user_interaction":"not_required","vuln_class":"denial_of_service"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"AMD","cpe":[{"product":"epyc_72f3_firmware","vendor":"amd"},{"product":"epyc_7313_firmware","vendor":"amd"},{"product":"epyc_7313p_firmware","vendor":"amd"},{"product":"epyc_7343_firmware","vendor":"amd"},{"product":"epyc_7373x_firmware","vendor":"amd"},{"product":"epyc_73f3_firmware","vendor":"amd"},{"product":"epyc_7413_firmware","vendor":"amd"},{"product":"epyc_7443_firmware","vendor":"amd"},{"product":"epyc_7443p_firmware","vendor":"amd"},{"product":"epyc_7453_firmware","vendor":"amd"},{"product":"epyc_7473x_firmware","vendor":"amd"},{"product":"epyc_74f3_firmware","vendor":"amd"},{"product":"epyc_7513_firmware","vendor":"amd"},{"product":"epyc_7543_firmware","vendor":"amd"},{"product":"epyc_7543p_firmware","vendor":"amd"},{"product":"epyc_7573x_firmware","vendor":"amd"},{"product":"epyc_75f3_firmware","vendor":"amd"},{"product":"epyc_7643_firmware","vendor":"amd"},{"product":"epyc_7663_firmware","vendor":"amd"},{"product":"epyc_7713_firmware","vendor":"amd"},{"product":"epyc_7713p_firmware","vendor":"amd"},{"product":"epyc_7763_firmware","vendor":"amd"},{"product":"epyc_7773x_firmware","vendor":"amd"},{"product":"ryzen_3_2200u_firmware","vendor":"amd"},{"product":"ryzen_3_2300u_firmware","vendor":"amd"},{"product":"ryzen_3_3100_firmware","vendor":"amd"},{"product":"ryzen_3_3300g_firmware","vendor":"amd"},{"product":"ryzen_3_3300x_firmware","vendor":"amd"},{"product":"ryzen_3_4300g_firmware","vendor":"amd"},{"product":"ryzen_3_4300ge_firmware","vendor":"amd"},{"product":"ryzen_3_5125c_firmware","vendor":"amd"},{"product":"ryzen_3_5300g_firmware","vendor":"amd"},{"product":"ryzen_3_5300ge_firmware","vendor":"amd"},{"product":"ryzen_3_5400u_firmware","vendor":"amd"},{"product":"ryzen_3_5425c_firmware","vendor":"amd"},{"product":"ryzen_3_5425u_firmware","vendor":"amd"},{"product":"ryzen_3_pro_2300u_firmware","vendor":"amd"},{"product":"ryzen_3_pro_3300u_firmware","vendor":"amd"},{"product":"ryzen_5_2500u_firmware","vendor":"amd"},{"product":"ryzen_5_2600h_firmware","vendor":"amd"},{"product":"ryzen_5_3400g_firmware","vendor":"amd"},{"product":"ryzen_5_3450g_firmware","vendor":"amd"},{"product":"ryzen_5_3600_firmware","vendor":"amd"},{"product":"ryzen_5_3600x_firmware","vendor":"amd"},{"product":"ryzen_5_4600g_firmware","vendor":"amd"},{"product":"ryzen_5_4600ge_firmware","vendor":"amd"},{"product":"ryzen_5_5560u_firmware","vendor":"amd"},{"product":"ryzen_5_5600h_firmware","vendor":"amd"},{"product":"ryzen_5_5600hs_firmware","vendor":"amd"},{"product":"ryzen_5_5600u_firmware","vendor":"amd"},{"product":"ryzen_5_5625c_firmware","vendor":"amd"},{"product":"ryzen_5_5625u_firmware","vendor":"amd"},{"product":"ryzen_5_5700g_firmware","vendor":"amd"},{"product":"ryzen_5_5700ge_firmware","vendor":"amd"},{"product":"ryzen_5_pro_2500u_firmware","vendor":"amd"},{"product":"ryzen_5_pro_3500u_firmware","vendor":"amd"},{"product":"ryzen_7_2700u_firmware","vendor":"amd"},{"product":"ryzen_7_2800h_firmware","vendor":"amd"},{"product":"ryzen_7_3700x_firmware","vendor":"amd"},{"product":"ryzen_7_3800x_firmware","vendor":"amd"},{"product":"ryzen_7_4700g_firmware","vendor":"amd"},{"product":"ryzen_7_4700ge_firmware","vendor":"amd"},{"product":"ryzen_7_5700g_firmware","vendor":"amd"},{"product":"ryzen_7_5700ge_firmware","vendor":"amd"},{"product":"ryzen_7_5800h_firmware","vendor":"amd"},{"product":"ryzen_7_5800hs_firmware","vendor":"amd"},{"product":"ryzen_7_5800u_firmware","vendor":"amd"},{"product":"ryzen_7_5825c_firmware","vendor":"amd"},{"product":"ryzen_7_5825u_firmware","vendor":"amd"},{"product":"ryzen_7_pro_2700u_firmware","vendor":"amd"},{"product":"ryzen_7_pro_3700u_firmware","vendor":"amd"},{"product":"ryzen_9_5900hs_firmware","vendor":"amd"},{"product":"ryzen_9_5900hx_firmware","vendor":"amd"},{"product":"ryzen_9_5980hs_firmware","vendor":"amd"},{"product":"ryzen_9_5980hx_firmware","vendor":"amd"},{"product":"ryzen_threadripper_pro_3945wx_firmware","vendor":"amd"},{"product":"ryzen_threadripper_pro_3955wx_firmware","vendor":"amd"},{"product":"ryzen_threadripper_pro_3975wx_firmware","vendor":"amd"},{"product":"ryzen_threadripper_pro_3995wx_firmware","vendor":"amd"},{"product":"ryzen_threadripper_pro_5945wx_firmware","vendor":"amd"},{"product":"ryzen_threadripper_pro_5955wx_firmware","vendor":"amd"},{"product":"ryzen_threadripper_pro_5965wx_firmware","vendor":"amd"},{"product":"ryzen_threadripper_pro_5975wx_firmware","vendor":"amd"},{"product":"ryzen_threadripper_pro_5995wx_firmware","vendor":"amd"}],"cvss":{"score":5.5,"severity":"medium","source":"nvd","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"cwes":[],"description":"A bug in AMD CPU’s core logic may allow for an attacker, using specific code from an unprivileged VM, to trigger a CPU core hang resulting in a potential denial of service. AMD believes the specific code includes a specific x86 instruction sequence that would not be generated by compilers.","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":"Denial of service in Athlon™ Series","id":"CVE-2021-26339","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":"amd:epyc_72f3_firmware","products":["amd:epyc_72f3_firmware","amd:epyc_7313_firmware","amd:epyc_7313p_firmware","amd:epyc_7343_firmware","amd:epyc_7373x_firmware","amd:epyc_73f3_firmware","amd:epyc_7413_firmware","amd:epyc_7443_firmware","amd:epyc_7443p_firmware","amd:epyc_7453_firmware","amd:epyc_7473x_firmware","amd:epyc_74f3_firmware","amd:epyc_7513_firmware","amd:epyc_7543_firmware","amd:epyc_7543p_firmware","amd:epyc_7573x_firmware","amd:epyc_75f3_firmware","amd:epyc_7643_firmware","amd:epyc_7663_firmware","amd:epyc_7713_firmware","amd:epyc_7713p_firmware","amd:epyc_7763_firmware","amd:epyc_7773x_firmware"],"type":"denial_of_service","year":"2021"},"n_packages":0,"n_references":2,"next":{"headline":"A malicious hypervisor in conjunction with an unprivileged attacker process inside an SEV/SEV-ES guest VM may fail to flush the Translation","id":"CVE-2021-26340"},"packages":[],"prev":{"headline":"Privilege escalation in 2nd Gen AMD EPYC™","id":"CVE-2021-26338"},"products":["Athlon™ Series","EPYC™ Processors","Ryzen™ Series"],"published":"2022-05-11","related":[{"cvss_score":7.8,"headline":"Memory corruption in 3rd Gen AMD EPYC™","id":"CVE-2021-26324","kev_date_added":null,"published":"2022-05-10"},{"cvss_score":7.8,"headline":"Memory corruption in 3rd Gen EPYC","id":"CVE-2021-26353","kev_date_added":null,"published":"2022-05-10"},{"cvss_score":7.8,"headline":"Other in 3rd Gen AMD EPYC™","id":"CVE-2021-46771","kev_date_added":null,"published":"2022-05-10"},{"cvss_score":7.5,"headline":"Other in 3rd Gen AMD EPYC™","id":"CVE-2022-23818","kev_date_added":null,"published":"2023-05-09"},{"cvss_score":7.1,"headline":"Memory corruption in 3rd Gen AMD EPYC™","id":"CVE-2021-26397","kev_date_added":null,"published":"2023-05-09"},{"cvss_score":7.1,"headline":"Other in 3rd Gen AMD EPYC™","id":"CVE-2021-26332","kev_date_added":null,"published":"2022-05-10"}],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"US public information, NVD API terms","name":"NVD"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":null,"exploitation":null,"technical_impact":null},"state":"PUBLISHED","updated":"2024-09-17","vendors":["AMD"]},"summary":"An attacker in an unprivileged VM can trigger a CPU core hang via specific x86 instructions, causing denial of service on AMD processors.","url":"https://insights.sbomify.com/CVE-2021-26339/"}