VDB
DEBIAN-CVE-2020-27171
DEBIAN-CVE-2020-27171
PUBLISHED
CVSS 6 MEDIUM
An issue was discovered in the Linux kernel before 5.11.8. kernel/bpf/verifier.c has an off-by-one error (with a resultant integer underflow) affecting out-of-bounds speculation on pointer arithmetic, leading to side-channel attacks that defeat Spectre mitigations and obtain sensitive information from kernel memory, aka CID-10d2bb2e6b1d.
Risk Scores
CVSS 3.1
6
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:14 | linux | 0, 0, 0 |
| Debian:13 | linux | 0, 0, 0 |
| Debian:11 | linux | 0, 0, 0 |
| Debian:12 | linux | 0, 0, 0 |
Timeline
- Mar 20, 2021 CVE Published
- Apr 28, 2026 CVE Updated