{ "data_version": "4.0", "data_type": "CVE", "data_format": "MITRE", "CVE_data_meta": { "ID": "CVE-2023-2236", "ASSIGNER": "security@google.com", "STATE": "PUBLIC" }, "description": { "description_data": [ { "lang": "eng", "value": "A use-after-free vulnerability in the Linux Kernel io_uring subsystem can be exploited to achieve local privilege escalation.\n\nBoth\u00a0io_install_fixed_file\u00a0and its callers call fput in a file in case of an error, causing a reference underflow which leads to a use-after-free vulnerability.\n\nWe recommend upgrading past commit 9d94c04c0db024922e886c9fd429659f22f48ea4.\n\n" } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-416 Use After Free", "cweId": "CWE-416" } ] } ] }, "affects": { "vendor": { "vendor_data": [ { "vendor_name": "Linux", "product": { "product_data": [ { "product_name": "Linux Kernel", "version": { "version_data": [ { "version_affected": "<", "version_name": "5.19", "version_value": "6.1" } ] } } ] } } ] } }, "references": { "reference_data": [ { "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9d94c04c0db024922e886c9fd429659f22f48ea4", "refsource": "MISC", "name": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9d94c04c0db024922e886c9fd429659f22f48ea4" }, { "url": "https://kernel.dance/9d94c04c0db024922e886c9fd429659f22f48ea4", "refsource": "MISC", "name": "https://kernel.dance/9d94c04c0db024922e886c9fd429659f22f48ea4" }, { "url": "https://security.netapp.com/advisory/ntap-20230601-0010/", "refsource": "MISC", "name": "https://security.netapp.com/advisory/ntap-20230601-0010/" } ] }, "generator": { "engine": "Vulnogram 0.1.0-dev" }, "source": { "discovery": "EXTERNAL" }, "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" } ] } }