{"answers":{"affected":"It affects 147 products.","exploited":"There is no known exploitation of CVE-2021-26316 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2021-26316 yet. Limit exposure of the affected software until one is available.","what":"CVE-2021-26316 is a high-severity memory corruption vulnerability in Amd Epyc 7232p Firmware, published on 10 Jan 2023. 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-2021-26316 and fix it if it is affected.\n\nWhat it is: CVE-2021-26316 is a high-severity memory corruption vulnerability in Amd Epyc 7232p Firmware, published on 10 Jan 2023. 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-2021-26316 in the wild and no public exploit code.\n\nAffected product: Amd Epyc 7232p 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-2021-26316/ (Markdown: https://insights.sbomify.com/CVE-2021-26316/index.md)","id":"CVE-2021-26316","markdown":"https://insights.sbomify.com/CVE-2021-26316/index.md","name":"CVE-2021-26316","record":{"aliases":["GHSA-hr2h-gpm8-8hqc"],"analysis":{"component_type":"hardware_firmware","fix_type":"patch","impacts":["code_execution"],"network_reachable":"adjacent_or_local","non_default_config":false,"product_category":"AMD CPU BIOS","requires_auth":"low_privilege","summary":"An attacker can execute arbitrary code in System Management Mode by tampering with the BIOS communication 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Input Validation"}],"description":"Failure to validate the communication buffer and communication service in the BIOS may allow an attacker to tamper with the buffer resulting in potential SMM (System Management Mode) arbitrary code execution.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":null,"headline":"Memory corruption in 1st Gen EPYC","id":"CVE-2021-26316","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":"amd:epyc_7232p_firmware","products":["amd:epyc_7232p_firmware","amd:epyc_7252_firmware","amd:epyc_7262_firmware","amd:epyc_7272_firmware","amd:epyc_7282_firmware","amd:epyc_72f3_firmware","amd:epyc_7302_firmware","amd:epyc_7302p_firmware","amd:epyc_7313_firmware","amd:epyc_7313p_firmware","amd:epyc_7343_firmware","amd:epyc_7352_firmware","amd:epyc_7373x_firmware","amd:epyc_73f3_firmware","amd:epyc_7402_firmware","amd:epyc_7402p_firmware","amd:epyc_7413_firmware","amd:epyc_7443_firmware","amd:epyc_7443p_firmware","amd:epyc_7452_firmware","amd:epyc_7453_firmware","amd:epyc_74f3_firmware","amd:epyc_7502_firmware","amd:epyc_7502p_firmware","amd:epyc_7513_firmware","amd:epyc_7532_firmware","amd:epyc_7542_firmware","amd:epyc_7543_firmware","amd:epyc_7543p_firmware","amd:epyc_7552_firmware","amd:epyc_7573x_firmware","amd:epyc_75f3_firmware","amd:epyc_7642_firmware","amd:epyc_7643_firmware","amd:epyc_7662_firmware","amd:epyc_7663_firmware","amd:epyc_7702_firmware","amd:epyc_7702p_firmware","amd:epyc_7713_firmware","amd:epyc_7713p_firmware","amd:epyc_7742_firmware","amd:epyc_7763_firmware","amd:epyc_7773x_firmware","amd:epyc_7f32_firmware","amd:epyc_7f52_firmware","amd:epyc_7f72_firmware","amd:epyc_7h12_firmware"],"type":"memory_corruption","year":"2021"},"n_packages":0,"n_references":2,"next":{"headline":"Security feature bypass in Athlon™ Series","id":"CVE-2021-26317"},"packages":[],"prev":{"headline":"Code injection in 3rd Gen AMD EPYC™","id":"CVE-2021-26315"},"products":["1st Gen EPYC ","2nd Gen EPYC","3rd Gen EPYC","Ryzen 2000 Series","Ryzen 3000 Series","Ryzen 5000 Series "],"published":"2023-01-10","related":[{"cvss_score":7.8,"headline":"Security feature bypass in Athlon™ Series","id":"CVE-2021-26317","kev_date_added":null,"published":"2022-05-12"},{"cvss_score":7.8,"headline":"Memory corruption in Athlon™ Series","id":"CVE-2021-26369","kev_date_added":null,"published":"2022-05-12"},{"cvss_score":7.5,"headline":"Information disclosure in All supported processors","id":"CVE-2020-12965","kev_date_added":null,"published":"2022-02-04"},{"cvss_score":7.1,"headline":"Privilege escalation in Athlon™ Series","id":"CVE-2021-26362","kev_date_added":null,"published":"2022-05-12"},{"cvss_score":7.1,"headline":"Information disclosure in Athlon™ Series","id":"CVE-2021-26366","kev_date_added":null,"published":"2022-05-12"},{"cvss_score":5.6,"headline":"Information disclosure in AMD Processors","id":"CVE-2021-46778","kev_date_added":null,"published":"2022-08-09"}],"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":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":"no","exploitation":"none","technical_impact":"total"},"state":"PUBLISHED","updated":"2025-04-09","vendors":[" AMD","AMD"]},"summary":"An attacker can execute arbitrary code in System Management Mode by tampering with the BIOS communication buffer.","url":"https://insights.sbomify.com/CVE-2021-26316/"}