VDB
CVE-2019-18805
CVE-2019-18805
PUBLISHED
An issue was discovered in net/ipv4/sysctl_net_ipv4.c in the Linux kernel before 5.0.11. There is a net/ipv4/tcp_input.c signed integer overflow in tcp_ack_update_rtt() when userspace writes a very large integer to /proc/sys/net/ipv4/tcp_min_rtt_wlen, leading to a denial of service or possibly unspecified other impact, aka CID-19fad20d15a6.
EPSS 0.57% · 69.0th percentile
Risk Scores
EPSS Score
0.57%
69.0th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:16.04:LTS | linux-gcp | 4.15.0-1015.15~16.04.1, 4.13.0-1019.23, 4.13.0-1015.19 |
| Ubuntu:20.04:LTS | linux-azure-fde | 5.4.0-1076.79+cvm1.1, 0, 5.4.0-1063.66+cvm2.2 |
| Ubuntu:Pro:FIPS-updates:18.04:LTS | linux-azure-fips | 0, 4.15.0-1002.2 |
| Ubuntu:18.04:LTS | linux | 4.15.0-47.50, 4.15.0-46.49, 4.15.0-54.58 |
| Ubuntu:Pro:FIPS-updates:18.04:LTS | linux-aws-fips | 4.15.0-2000.4, 0 |
| Ubuntu:18.04:LTS | linux-azure-edge | *, 4.18.0-1006.6~18.04.1, 4.18.0-1008.8~18.04.1 |
| Ubuntu:18.04:LTS | linux-gcp | 4.15.0-1015.15, 4.15.0-1003.3, 0 |
| Ubuntu:18.04:LTS | linux-aws | 4.15.0-1021.21, 4.15.0-1035.37, 4.15.0-1031.33 |
| Ubuntu:16.04:LTS | linux-snapdragon | 4.4.0-1076.81, 4.4.0-1077.82, 4.4.0-1078.83 |
| Ubuntu:Pro:FIPS:16.04:LTS | linux-fips | 4.4.0-1012.16, 0, 4.4.0-1008.10 |
| Ubuntu:16.04:LTS | linux-raspi2 | 4.4.0-1021.27, 4.4.0-1070.78, 4.4.0-1069.77 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | 0, 5.15.0-1073.75 |
| Ubuntu:16.04:LTS | linux-aws | 4.4.0-1057.66, 4.4.0-1069.79, 4.4.0-1067.77 |
| Ubuntu:18.04:LTS | linux-gke-4.15 | 4.15.0-1037.39, 4.15.0-1032.34, 0 |
| Ubuntu:Pro:FIPS:18.04:LTS | linux-azure-fips | 4.15.0-1002.2, 0 |
| Ubuntu:Pro:FIPS:18.04:LTS | linux-gcp-fips | 4.15.0-1001.1, 0 |
| Ubuntu:Pro:14.04:LTS | linux-lts-xenial | 4.4.0-71.92~14.04.1, 4.4.0-89.112~14.04.1, 4.4.0-81.104~14.04.1 |
| Ubuntu:Pro:FIPS:18.04:LTS | linux-aws-fips | 4.15.0-2000.4, 0 |
| Ubuntu:18.04:LTS | linux-snapdragon | 4.15.0-1057.62, 4.4.0-1079.84, 0 |
| Ubuntu:18.04:LTS | linux-oracle | 4.15.0-1009.11, 4.15.0-1010.12, 4.15.0-1011.13 |
…and 21 more
Timeline
- Nov 7, 2019 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Oct 26, 2021 EPSS Score
- Dec 27, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 28, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 1, 2022 EPSS Score
- Jul 3, 2022 EPSS Score
- Nov 6, 2022 EPSS Score
- Jan 8, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2019-18805 third-party-advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.11 third-party-advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=19fad20d15a6494f47f85d869f00b11343ee5c78 third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2019-18805 third-party-advisory