{"api_version":"1","generated_at":"2026-04-23T09:52:33+00:00","cve":"CVE-2022-3176","urls":{"html":"https://cve.report/CVE-2022-3176","api":"https://cve.report/api/cve/CVE-2022-3176.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2022-3176","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2022-3176"},"summary":{"title":"CVE-2022-3176","description":"There exists a use-after-free in io_uring in the Linux kernel. Signalfd_poll() and binder_poll() use a waitqueue whose lifetime is the current task. It will send a POLLFREE notification to all waiters before the queue is freed. Unfortunately, the io_uring poll doesn't handle POLLFREE. This allows a use-after-free to occur if a signalfd or binder fd is polled with io_uring poll, and the waitqueue gets freed. We recommend upgrading past commit fc78b2fc21f10c4c9c4d5d659a685710ffa63659","state":"PUBLIC","assigner":"security@google.com","published_at":"2022-09-16 14:15:00","updated_at":"2023-04-11 18:15:00"},"problem_types":["CWE-416"],"metrics":[],"references":[{"url":"https://www.debian.org/security/2022/dsa-5257","name":"DSA-5257","refsource":"DEBIAN","tags":[],"title":"Debian -- Security Information -- DSA-5257-1 linux","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html","name":"[debian-lts-announce] 20221101 [SECURITY] [DLA 3173-1] linux-5.10 security update","refsource":"MLIST","tags":[],"title":"[SECURITY] [DLA 3173-1] linux-5.10 security update","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://kernel.dance/#fc78b2fc21f10c4c9c4d5d659a685710ffa63659","name":"https://kernel.dance/#fc78b2fc21f10c4c9c4d5d659a685710ffa63659","refsource":"MISC","tags":[],"title":"????????","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit?h=linux-5.4.y&id=fc78b2fc21f10c4c9c4d5d659a685710ffa63659","name":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit?h=linux-5.4.y&id=fc78b2fc21f10c4c9c4d5d659a685710ffa63659","refsource":"MISC","tags":[],"title":"kernel/git/stable/linux.git - Linux kernel stable tree","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://security.netapp.com/advisory/ntap-20230216-0003/","name":"https://security.netapp.com/advisory/ntap-20230216-0003/","refsource":"CONFIRM","tags":[],"title":"CVE-2022-3176 Linux Kernel Vulnerability in NetApp Products | NetApp Product Security","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2022-3176","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-3176","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[{"source":"LEGACY","value":"Bing-Jhong Billy Jheng <billy@starlabs.sg>","lang":""}],"nvd_cpes":[{"cve_year":"2022","cve_id":"3176","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"debian","cpe5":"debian_linux","cpe6":"10.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2022","cve_id":"3176","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"debian","cpe5":"debian_linux","cpe6":"11.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2022","cve_id":"3176","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2022","cve_id":"3176","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2022-3176","qid":"181145","title":"Debian Security Update for linux (DSA 5257-1)"},{"cve":"CVE-2022-3176","qid":"181190","title":"Debian Security Update for linux-5.10 (DLA 3173-1)"},{"cve":"CVE-2022-3176","qid":"184569","title":"Debian Security Update for linux (CVE-2022-3176)"},{"cve":"CVE-2022-3176","qid":"198979","title":"Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5667-1)"},{"cve":"CVE-2022-3176","qid":"198980","title":"Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5668-1)"},{"cve":"CVE-2022-3176","qid":"198987","title":"Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5677-1)"},{"cve":"CVE-2022-3176","qid":"198989","title":"Ubuntu Security Notification for Linux kernel (IBM) Vulnerabilities (USN-5683-1)"},{"cve":"CVE-2022-3176","qid":"198990","title":"Ubuntu Security Notification for Linux kernel (AWS) Vulnerabilities (USN-5682-1)"},{"cve":"CVE-2022-3176","qid":"199009","title":"Ubuntu Security Notification for Linux kernel (Intel IoTG) Vulnerabilities (USN-5703-1)"},{"cve":"CVE-2022-3176","qid":"199011","title":"Ubuntu Security Notification for Linux kernel (Azure CVM) Vulnerabilities (USN-5706-1)"},{"cve":"CVE-2022-3176","qid":"354082","title":"Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.15-2022-008"},{"cve":"CVE-2022-3176","qid":"354439","title":"Amazon Linux Security Advisory for kernel : ALAS2022-2022-150"},{"cve":"CVE-2022-3176","qid":"354468","title":"Amazon Linux Security Advisory for kernel : ALAS2022-2022-185"},{"cve":"CVE-2022-3176","qid":"354542","title":"Amazon Linux Security Advisory for kernel : ALAS-2022-185"},{"cve":"CVE-2022-3176","qid":"355199","title":"Amazon Linux Security Advisory for kernel : ALAS2023-2023-070"},{"cve":"CVE-2022-3176","qid":"377626","title":"Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX2-SA-2022:0044)"},{"cve":"CVE-2022-3176","qid":"377633","title":"Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX3-SA-2022:0167)"},{"cve":"CVE-2022-3176","qid":"377871","title":"Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX2-SA-2023:0001)"},{"cve":"CVE-2022-3176","qid":"377891","title":"Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX3-SA-2023:0002)"},{"cve":"CVE-2022-3176","qid":"6140303","title":"AWS Bottlerocket Security Update for kernel (GHSA-rph4-chmh-mwx8)"},{"cve":"CVE-2022-3176","qid":"752839","title":"SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:3929-1)"},{"cve":"CVE-2022-3176","qid":"752880","title":"SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:4053-1)"},{"cve":"CVE-2022-3176","qid":"752889","title":"SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:3897-1)"},{"cve":"CVE-2022-3176","qid":"753020","title":"SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:4585-1)"},{"cve":"CVE-2022-3176","qid":"753034","title":"SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:4504-1)"},{"cve":"CVE-2022-3176","qid":"753051","title":"SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:4589-1)"},{"cve":"CVE-2022-3176","qid":"753063","title":"SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:4617-1)"}]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"security@google.com","DATE_PUBLIC":"2022-08-31T22:00:00.000Z","ID":"CVE-2022-3176","STATE":"PUBLIC","TITLE":"Use-after-free in io_uring in Linux Kernel"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Kernel","version":{"version_data":[{"version_affected":"<","version_value":"fc78b2fc21f10c4c9c4d5d659a685710ffa63659"}]}}]},"vendor_name":"Linux"}]}},"credit":[{"lang":"eng","value":"Bing-Jhong Billy Jheng <billy@starlabs.sg>"}],"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"There exists a use-after-free in io_uring in the Linux kernel. Signalfd_poll() and binder_poll() use a waitqueue whose lifetime is the current task. It will send a POLLFREE notification to all waiters before the queue is freed. Unfortunately, the io_uring poll doesn't handle POLLFREE. This allows a use-after-free to occur if a signalfd or binder fd is polled with io_uring poll, and the waitqueue gets freed. We recommend upgrading past commit fc78b2fc21f10c4c9c4d5d659a685710ffa63659"}]},"generator":{"engine":"Vulnogram 0.0.9"},"impact":{"cvss":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-416 Use After Free"}]}]},"references":{"reference_data":[{"refsource":"MISC","url":"https://kernel.dance/#fc78b2fc21f10c4c9c4d5d659a685710ffa63659","name":"https://kernel.dance/#fc78b2fc21f10c4c9c4d5d659a685710ffa63659"},{"refsource":"MISC","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit?h=linux-5.4.y&id=fc78b2fc21f10c4c9c4d5d659a685710ffa63659","name":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit?h=linux-5.4.y&id=fc78b2fc21f10c4c9c4d5d659a685710ffa63659"},{"refsource":"DEBIAN","name":"DSA-5257","url":"https://www.debian.org/security/2022/dsa-5257"},{"refsource":"MLIST","name":"[debian-lts-announce] 20221101 [SECURITY] [DLA 3173-1] linux-5.10 security update","url":"https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html"},{"refsource":"CONFIRM","name":"https://security.netapp.com/advisory/ntap-20230216-0003/","url":"https://security.netapp.com/advisory/ntap-20230216-0003/"}]},"source":{"discovery":"EXTERNAL"}},"nvd":{"publishedDate":"2022-09-16 14:15:00","lastModifiedDate":"2023-04-11 18:15:00","problem_types":["CWE-416"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.1","versionEndExcluding":"5.4.212","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"5.10.141","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"5.15.65","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"5.17","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":null,"notes":[]}}}