VDB
CVE-2020-27194
CVE-2020-27194
PUBLISHED
CVSS 5.5 MEDIUM
An issue was discovered in the Linux kernel before 5.8.15. scalar32_min_max_or in kernel/bpf/verifier.c mishandles bounds tracking during use of 64-bit values, aka CID-5b9fbeb75b6a.
EPSS 2.02% · 80.7th percentile
Risk Scores
CVSS 3.1
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Score
2.02%
80.7th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:Pro:14.04:LTS | linux | 3.12.0-1.3, 3.13.0-66.108, 3.13.0-65.106 |
| Ubuntu:18.04:LTS | linux-gcp-5.3 | *, 5.3.0-1032.34~18.04.1, 5.3.0-1030.32~18.04.1 |
| Ubuntu:18.04:LTS | linux-hwe | 5.3.0-61.55~18.04.1, 5.3.0-46.38~18.04.1, 5.3.0-53.47~18.04.1 |
| Ubuntu:18.04:LTS | linux-gcp-edge | 4.18.0-1008.9~18.04.1, 4.18.0-1011.12~18.04.1, 4.18.0-1013.14~18.04.1 |
| Ubuntu:18.04:LTS | linux-oracle-5.0 | 5.0.0-1014.19, 5.0.0-1013.18, 5.0.0-1011.16 |
| Ubuntu:18.04:LTS | linux-oracle-5.3 | 5.3.0-1028.30~18.04.1, 0, 5.3.0-1011.12~18.04.1 |
| Ubuntu:20.04:LTS | linux-raspi2 | 5.3.0-1015.17, 5.3.0-1017.19, 5.4.0-1004.4 |
| Ubuntu:Pro:14.04:LTS | linux-lts-xenial | 4.4.0-253.287~14.04.1, 4.4.0-252.286~14.04.1, 4.4.0-250.284~14.04.1 |
| Ubuntu:18.04:LTS | linux-azure | 4.18.0-1020.20~18.04.1, 5.0.0-1023.24~18.04.1, 5.0.0-1022.23~18.04.1 |
| Ubuntu:18.04:LTS | linux-azure-5.3 | 5.3.0-1013.14~18.04.1, 5.3.0-1012.13~18.04.1, 5.3.0-1010.11~18.04.1 |
| Ubuntu:18.04:LTS | linux-gcp | 4.15.0-1032.34, 4.15.0-1029.31, 4.15.0-1044.70 |
| Ubuntu:Pro:14.04:LTS | linux-aws | 4.4.0-1094.99, 4.4.0-1097.102, 4.4.0-1098.103 |
| Ubuntu:18.04:LTS | linux-hwe-edge | 5.0.0-16.17~18.04.1, 0, 5.3.0-24.26~18.04.2 |
| Ubuntu:16.04:LTS | linux-hwe-edge | 4.15.0-20.21~16.04.1, *, 4.10.0-21.23~16.04.1 |
| Ubuntu:18.04:LTS | linux-azure-edge | 0, 4.18.0-1006.6~18.04.1, 4.18.0-1007.7~18.04.1 |
| Ubuntu:18.04:LTS | linux-aws-5.0 | 5.0.0-1021.24~18.04.1, 5.0.0-1027.30, 0 |
| Ubuntu:Pro:14.04:LTS | linux-azure | 4.15.0-1180.195~14.04.1, 4.15.0-1183.198~14.04.1, 4.15.0-1184.199~14.04.1 |
| Ubuntu:18.04:LTS | linux-aws-5.3 | *, 5.3.0-1035.37, 5.3.0-1034.36 |
Timeline
- CVE Published
- Apr 14, 2021 EPSS Score
- Jul 23, 2021 PoC Published
- Mar 7, 2023 EPSS Score
- Mar 17, 2025 EPSS Score
- Mar 20, 2025 EPSS Score
- Mar 22, 2025 EPSS Score
- Mar 27, 2025 EPSS Score
- Mar 28, 2025 EPSS Score
- Mar 30, 2025 EPSS Score
- Mar 31, 2025 EPSS Score
- Apr 8, 2025 EPSS Score
References
- https://git.kernel.org/linus/5b9fbeb75b6a98955f628e205ac26689bcb1383e third-party-advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.15 third-party-advisory
- https://scannell.me/fuzzing-for-ebpf-jit-bugs-in-the-linux-kernel/ third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2020-27194 third-party-advisory
- https://ubuntu.com/security/CVE-2020-27194 advisory
- https://github.com/torvalds/linux/commit/5b9fbeb75b6a98955f628e205ac26689bcb1383e fix
- https://ubuntu.com/security/notices/USN-4626-1 advisory