VDB
CVE-2020-8992
CVE-2020-8992
PUBLISHED
ext4_protect_reserved_inode in fs/ext4/block_validity.c in the Linux kernel through 5.5.3 allows attackers to cause a denial of service (soft lockup) via a crafted journal size.
EPSS 0.05% · 17.2th percentile
Risk Scores
EPSS Score
0.05%
17.2th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:24.04:LTS | linux-raspi-realtime | 0, 6.8.0-2019.20 |
| Ubuntu:16.04:LTS | linux-oracle | *, 4.15.0-1035.38~16.04.1, 4.15.0-1033.36~16.04.1 |
| Ubuntu:18.04:LTS | linux-kvm | 4.15.0-1004.4, 0, 4.15.0-1002.2 |
| Ubuntu:18.04:LTS | linux-azure-edge | 4.18.0-1008.8~18.04.1, 0, 4.18.0-1006.6~18.04.1 |
| Ubuntu:18.04:LTS | linux-snapdragon | 4.15.0-1069.76, 4.15.0-1058.64, 4.15.0-1065.72 |
| Ubuntu:18.04:LTS | linux-hwe-edge | 5.3.0-23.25~18.04.2, 5.3.0-19.20~18.04.2, 5.0.0-20.21~18.04.1 |
| Ubuntu:16.04:LTS | linux-aws-hwe | *, 4.15.0-1033.35~16.04.1, 4.15.0-1035.37~16.04.1 |
| Ubuntu:20.04:LTS | linux-raspi2 | 5.3.0-1017.19, 0, 5.3.0-1007.8 |
| Ubuntu:18.04:LTS | linux-gcp-5.3 | 5.3.0-1010.11~18.04.1, 5.3.0-1009.10~18.04.1, 5.3.0-1008.9~18.04.1 |
| Ubuntu:18.04:LTS | linux-aws-5.3 | 0, 5.3.0-1016.17~18.04.1 |
| Ubuntu:18.04:LTS | linux-gke-4.15 | 4.15.0-1046.49, 4.15.0-1045.48, 4.15.0-1044.46 |
| Ubuntu:18.04:LTS | linux-oracle-5.3 | 5.3.0-1011.12~18.04.1, 0, 5.3.0-1014.15~18.04.1 |
| Ubuntu:22.04:LTS | linux-riscv | 5.15.0-1006.6, 5.15.0-1026.30, 5.15.0-1027.31 |
| Ubuntu:18.04:LTS | linux-gke-5.3 | 0, 5.3.0-1011.12~18.04.1, 5.3.0-1017.18~18.04.1 |
| Ubuntu:22.04:LTS | linux-realtime | 0, 5.15.0-1032.35 |
| Ubuntu:16.04:LTS | linux-hwe | 4.8.0-42.45~16.04.1, 4.8.0-39.42~16.04.1, 4.8.0-36.36~16.04.1 |
| Ubuntu:18.04:LTS | linux-aws-5.0 | 0, 5.0.0-1027.30, 5.0.0-1025.28 |
| Ubuntu:18.04:LTS | linux-azure-5.3 | 5.3.0-1018.19~18.04.1, 5.3.0-1019.20~18.04.1, * |
| Ubuntu:18.04:LTS | linux-azure | *, 4.15.0-1022.23, * |
| Ubuntu:16.04:LTS | linux-snapdragon | 4.4.0-1053.57, 4.4.0-1051.55, 4.4.0-1050.54 |
…and 26 more
Timeline
- Feb 14, 2020 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Oct 26, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Feb 28, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 1, 2022 EPSS Score
- Jul 3, 2022 EPSS Score
- Sep 4, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2020-8992 third-party-advisory
- https://patchwork.ozlabs.org/patch/1236118/ third-party-advisory
- https://lore.kernel.org/r/20200211011752.29242-1-luoshijie1@huawei.com third-party-advisory
- https://ubuntu.com/security/notices/USN-4318-1 vendor-advisory
- https://ubuntu.com/security/notices/USN-4324-1 vendor-advisory
- https://ubuntu.com/security/notices/USN-4342-1 vendor-advisory
- https://ubuntu.com/security/notices/USN-4344-1 vendor-advisory
- https://ubuntu.com/security/notices/USN-4419-1 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2020-8992 third-party-advisory