{ "CVE_data_meta": { "ASSIGNER": "cve@mitre.org", "ID": "CVE-2021-33624", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "n/a", "version": { "version_data": [ { "version_value": "n/a" } ] } } ] }, "vendor_name": "n/a" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "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." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "references": { "reference_data": [ { "url": "https://www.usenix.org/conference/usenixsecurity21/presentation/kirzner", "refsource": "MISC", "name": "https://www.usenix.org/conference/usenixsecurity21/presentation/kirzner" }, { "refsource": "CONFIRM", "name": "http://www.openwall.com/lists/oss-security/2021/06/21/1", "url": "http://www.openwall.com/lists/oss-security/2021/06/21/1" }, { "refsource": "CONFIRM", "name": "https://github.com/torvalds/linux/commit/9183671af6dbf60a1219371d4ed73e23f43b49db", "url": "https://github.com/torvalds/linux/commit/9183671af6dbf60a1219371d4ed73e23f43b49db" }, { "refsource": "MLIST", "name": "[debian-lts-announce] 20211015 [SECURITY] [DLA 2785-1] linux-4.19 security update", "url": "https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html" } ] } }