VDB
DEBIAN-CVE-2021-20268
DEBIAN-CVE-2021-20268
PUBLISHED
CVSS 7.800000190734863 HIGH
An out-of-bounds access flaw was found in the Linux kernel's implementation of the eBPF code verifier in the way a user running the eBPF script calls dev_map_init_map or sock_map_alloc. This flaw allows a local user to crash the system or possibly escalate their privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
Risk Scores
CVSS 3.1
7.800000190734863
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:13 | linux | 0, 0, 0 |
| Debian:11 | linux | 0, 0, 0 |
| Debian:14 | linux | 0, 0, 0 |
| Debian:12 | linux | 0, 0, 0 |
Timeline
- Mar 9, 2021 CVE Published
- Apr 28, 2026 CVE Updated