{"id":"CVE-2021-33624","revision":"f17687d911054e3cb8c5231c7778bff1","records":[{"revision":"f17687d911054e3cb8c5231c7778bff1","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2021-33624","aliases":[],"title":"In kernel/bpf/verifier.c in the Linux kernel before 5.12.13, a branch can be mispredicted (e.g., because of type confusion) and consequently an unprivileged BPF program can read arbitrary memory locations via a side-channel attack, aka CID-…","description":"In kernel/bpf/verifier.c in the Linux kernel before 5.12.13, a branch can be mispredicted (e.g., because of type confusion) and consequently an unprivileged BPF program can read arbitrary memory locations via a side-channel attack, aka CID-9183671af6db.","state":0,"publishedAt":"2021-06-23T15:37:09+00:00","modifiedAt":"2026-10-08T21:03:25.368+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://www.usenix.org/conference/usenixsecurity21/presentation/kirzner","http://www.openwall.com/lists/oss-security/2021/06/21/1","https://github.com/torvalds/linux/commit/9183671af6dbf60a1219371d4ed73e23f43b49db","https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html","https://github.com/benschlueter/CVE-2021-33624"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2021-33624","license":"CVE Program Terms of Use","key":"cve-program:CVE-2021-33624","identifiers":["CVE-2021-33624"]},"retained":false,"historicalAffected":[]}],"coverage":[]}