VDB
CVE-2018-20511
CVE-2018-20511
PUBLISHED
CVSS 5.5 MEDIUM
An issue was discovered in the Linux kernel before 4.18.11. The ipddp_ioctl function in drivers/net/appletalk/ipddp.c allows local users to obtain sensitive kernel address information by leveraging CAP_NET_ADMIN to read the ipddp_route dev and next fields via an SIOCFINDIPDDPRT ioctl call.
EPSS 0.47% · 40.4th percentile
Risk Scores
CVSS 3.0
5.5
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS Score
0.47%
40.4th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| 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-raspi2 | 4.15.0-1036.38, 4.15.0-1033.35, 4.15.0-1032.34 |
| Ubuntu:Pro:FIPS:16.04:LTS | linux-fips | 0, 4.4.0-1006.6, 4.4.0-1005.5 |
| Ubuntu:Pro:14.04:LTS | linux | 3.13.0-55.94, 3.13.0-164.214, 3.13.0-192.243 |
| Ubuntu:Pro:FIPS:18.04:LTS | linux-gcp-fips | 0, 4.15.0-1001.1 |
| Ubuntu:20.04:LTS | linux-raspi2 | 5.3.0-1014.16, 5.3.0-1015.17, 5.3.0-1017.19 |
| Ubuntu:16.04:LTS | linux | 4.4.0-42.62, 4.4.0-38.57, 4.4.0-36.55 |
| Ubuntu:22.04:LTS | linux-realtime | 5.15.0-1032.35, 0 |
| Ubuntu:16.04:LTS | linux-kvm | 4.4.0-1004.9, 4.4.0-1007.12, 4.4.0-1009.14 |
| Ubuntu:14.04:LTS | linux-aws | 4.4.0-1028.31, 4.4.0-1032.35, 4.4.0-1029.32 |
| Ubuntu:16.04:LTS | linux-aws-hwe | *, 4.15.0-1044.46~16.04.1, 4.15.0-1043.45~16.04.1 |
| Ubuntu:16.04:LTS | linux-raspi2 | 4.4.0-1021.27, 0, 4.2.0-1013.19 |
| Ubuntu:18.04:LTS | linux-aws | 4.15.0-1031.33, 4.15.0-1034.36, 4.15.0-1007.7 |
| Ubuntu:14.04:LTS | linux-lts-xenial | 4.4.0-63.84~14.04.2, 4.4.0-62.83~14.04.1, 4.4.0-59.80~14.04.1 |
| Ubuntu:16.04:LTS | linux-oracle | *, 0, 4.15.0-1007.9~16.04.1 |
| Ubuntu:Pro:FIPS-updates:18.04:LTS | linux-aws-fips | 4.15.0-2000.4, 0 |
| Ubuntu:Pro:14.04:LTS | linux-azure | 4.15.0-1040.44~14.04.1, 4.15.0-1039.41~14.04.2, 4.15.0-1037.39~14.04.2 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | 6.8.0-2019.20, 0 |
| Ubuntu:16.04:LTS | linux-hwe | 4.10.0-38.42~16.04.1, 4.10.0-40.44~16.04.1, 4.15.0-32.35~16.04.1 |
…and 18 more
Timeline
- Dec 27, 2018 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 24, 2021 EPSS Score
- Aug 26, 2021 EPSS Score
- Oct 29, 2021 EPSS Score
- Dec 31, 2021 EPSS Score
- Mar 5, 2022 EPSS Score
- May 8, 2022 EPSS Score
- Jul 10, 2022 EPSS Score
- Sep 13, 2022 EPSS Score
- Nov 16, 2022 EPSS Score
- Jan 18, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2018-20511 third-party-advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9824dfae5741275473a23a7ed5756c7b6efacc9d third-party-advisory
- http://blog.infosectcbr.com.au/2018/09/linux-kernel-infoleaks.html third-party-advisory
- https://ubuntu.com/security/notices/USN-4094-1 vendor-advisory
- https://ubuntu.com/security/notices/USN-4118-1 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2018-20511 third-party-advisory