{"id":"CVE-2021-3759","revision":"384f16ce068242618b6e6675d8e79ba8","records":[{"revision":"384f16ce068242618b6e6675d8e79ba8","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2021-3759","aliases":[],"title":"A memory overflow vulnerability was found in the Linux kernel’s ipc functionality of the memcg subsystem, in the way a user calls the semget function multiple times, creating semaphores. This flaw allows a local user to starve the resources…","description":"A memory overflow vulnerability was found in the Linux kernel’s ipc functionality of the memcg subsystem, in the way a user calls the semget function multiple times, creating semaphores. This flaw allows a local user to starve the resources, causing a denial of service. The highest threat from this vulnerability is to system availability.","state":0,"publishedAt":"2022-08-23T00:00:00+00:00","modifiedAt":"2026-10-14T09:49:52.088+00:00","affected":[{"ecosystem":"Vendor product","name":"kernel","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"n/a\",\n                    \"product\": \"kernel\",\n                    \"versions\": [\n                        {\n                            \"version\": \"Fixed in Linux kernel 5.15-rc1\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://bugzilla.redhat.com/show_bug.cgi?id=1999675","https://access.redhat.com/security/cve/CVE-2021-3759","https://lore.kernel.org/linux-mm/1626333284-1404-1-git-send-email-nglaive%40gmail.com/","https://lists.debian.org/debian-lts-announce/2022/12/msg00031.html"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2021-3759","license":"CVE Program Terms of Use","key":"cve-program:CVE-2021-3759","identifiers":["CVE-2021-3759"]},"retained":false,"historicalAffected":[]}],"coverage":[]}