VDB
CVE-2018-20784
CVE-2018-20784
PUBLISHED
In the Linux kernel before 4.20.2, kernel/sched/fair.c mishandles leaf cfs_rq's, which allows attackers to cause a denial of service (infinite loop in update_blocked_averages) or possibly have unspecified other impact by inducing a high load.
EPSS 0.49% · 65.8th percentile
Risk Scores
EPSS Score
0.49%
65.8th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:18.04:LTS | linux-gke-4.15 | 4.15.0-1032.34, 4.15.0-1037.39, 0 |
| Ubuntu:20.04:LTS | linux-gke | 5.4.0-1054.57, 5.4.0-1052.55, 5.4.0-1049.52 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | 0, 5.15.0-1073.75 |
| Ubuntu:18.04:LTS | linux-azure | 4.18.0-1018.18~18.04.1, 0, 4.15.0-1002.2 |
| Ubuntu:18.04:LTS | linux | 4.15.0-24.26, 0, 4.13.0-16.19 |
| Ubuntu:16.04:LTS | linux-gcp | 4.10.0-1008.8, 4.15.0-1040.42~16.04.1, 4.13.0-1013.17 |
| Ubuntu:16.04:LTS | linux-aws-hwe | *, 4.15.0-1041.43~16.04.1, 4.15.0-1039.41~16.04.1 |
| Ubuntu:Pro:FIPS:18.04:LTS | linux-azure-fips | 4.15.0-1002.2, 0 |
| Ubuntu:Pro:FIPS-updates:18.04:LTS | linux-azure-fips | 4.15.0-1002.2, 0 |
| Ubuntu:18.04:LTS | linux-raspi2 | 4.15.0-1010.11, 4.15.0-1006.7, 4.15.0-1009.10 |
| Ubuntu:Pro:FIPS:18.04:LTS | linux-gcp-fips | 4.15.0-1001.1, 0 |
| Ubuntu:Pro:14.04:LTS | linux-azure | 4.15.0-1041.45~14.04.1, *, * |
| Ubuntu:20.04:LTS | linux-azure-fde | 5.4.0-1068.71+cvm1.1, 5.4.0-1073.76+cvm1.1, 5.4.0-1072.75+cvm1.1 |
| Ubuntu:16.04:LTS | linux-azure | 4.15.0-1040.44, 4.15.0-1039.43, 4.15.0-1037.39~16.04.1 |
| Ubuntu:16.04:LTS | linux-aws | 4.4.0-1098.109, 4.4.0-1001.10, 4.4.0-1003.12 |
| Ubuntu:16.04:LTS | linux-oracle | 4.15.0-1015.17~16.04.1, 4.15.0-1017.19~16.04.2, 4.15.0-1018.20~16.04.1 |
| Ubuntu:16.04:LTS | linux-kvm | 4.4.0-1023.28, 4.4.0-1004.9, 4.4.0-1026.31 |
| Ubuntu:Pro:FIPS:16.04:LTS | linux-fips | 4.4.0-1015.20, 4.4.0-1005.5, 4.4.0-1006.6 |
| Ubuntu:20.04:LTS | linux-riscv | 5.4.0-33.37, 5.4.0-36.41, 5.4.0-40.45 |
| Ubuntu:18.04:LTS | linux-snapdragon | 4.15.0-1060.66, 4.15.0-1057.62, 4.15.0-1055.59 |
…and 17 more
Exploit Intelligence
- Spydomain/CVE-2017-1000112-PoC (github-poc)
- Spydomain/CVE-2017-1000112-PoC (github-poc)
- Spydomain/CVE-2017-1000112-PoC (github-poc)
- Spydomain/CVE-2017-1000112-PoC (github-poc)
- Spydomain/CVE-2017-1000112-PoC (github-poc)
- Exploit work Privilege Escalation CVE-2017-1000112 (github-poc)
- Exploit work Privilege Escalation CVE-2017-1000112 (github-poc)
- Exploit work Privilege Escalation CVE-2017-1000112 (github-poc)
- Exploit work Privilege Escalation CVE-2017-1000112 (github-poc)
- Exploit work Privilege Escalation CVE-2017-1000112 (github-poc)
…and 10 more exploits
Timeline
- Feb 22, 2019 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Oct 26, 2021 EPSS Score
- Feb 4, 2022 EPSS Score
- Feb 28, 2022 EPSS Score
- May 2, 2022 EPSS Score
- Jul 3, 2022 EPSS Score
- Sep 5, 2022 EPSS Score
- Nov 6, 2022 EPSS Score
- Jan 8, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2018-20784 third-party-advisory
- https://git.kernel.org/linus/c40f7d74c741a907cfaeb73a7697081881c497d0 third-party-advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c40f7d74c741a907cfaeb73a7697081881c497d0 third-party-advisory
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.2 third-party-advisory
- https://github.com/torvalds/linux/commit/c40f7d74c741a907cfaeb73a7697081881c497d0 third-party-advisory
- https://ubuntu.com/security/notices/USN-4115-1 vendor-advisory
- https://ubuntu.com/security/notices/USN-4118-1 vendor-advisory
- https://ubuntu.com/security/notices/USN-4211-1 vendor-advisory
- https://ubuntu.com/security/notices/USN-4211-2 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2018-20784 third-party-advisory