CVE-2021-33624EPSS p59.2%
CVE-2021-33624CVE-2021-33624
linux / linux_kernel
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.
Scoring
| CVSS | 4.7 () |
| Vector | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N |
| EPSS | 0.92% probability of exploitation · percentile 59.2% · 2026-10-10T12:00:23Z |
| Last modified | 2026-10-08 |