{"id":"CVE-2021-45402","revision":"450d32d96c4747758b5a16c0d6af9080","records":[{"revision":"450d32d96c4747758b5a16c0d6af9080","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2021-45402","aliases":[],"title":"The check_alu_op() function in kernel/bpf/verifier.c in the Linux kernel through v5.16-rc5 did not properly update bounds while handling the mov32 instruction, which allows local users to obtain potentially sensitive address information, ak…","description":"The check_alu_op() function in kernel/bpf/verifier.c in the Linux kernel through v5.16-rc5 did not properly update bounds while handling the mov32 instruction, which allows local users to obtain potentially sensitive address information, aka a \"pointer leak.\"","state":0,"publishedAt":"2022-02-11T14:36:29+00:00","modifiedAt":"2026-10-08T21:03:11.802+00:00","affected":[{"ecosystem":"Vendor product","name":"n/a","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"n/a\",\n                    \"vendor\": \"n/a\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"n/a\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=3cf2b61eb06765e27fec6799292d9fb46d0b7e60","https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=e572ff80f05c33cd0cb4860f864f5c9c044280b6","https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=b1a7288dedc6caf9023f2676b4f5ed34cf0d4029"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2021-45402","license":"CVE Program Terms of Use","key":"cve-program:CVE-2021-45402","identifiers":["CVE-2021-45402"]},"retained":false,"historicalAffected":[]}],"coverage":[]}