VDB
CVE-2016-2854
CVE-2016-2854
PUBLISHED
CVSS 7.800000190734863 HIGH
The aufs module for the Linux kernel 3.x and 4.x does not properly maintain POSIX ACL xattr data, which allows local users to gain privileges by leveraging a group-writable setgid directory.
EPSS 0.95% · 59.8th percentile
Risk Scores
CVSS 3.1
7.800000190734863
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score
0.95%
59.8th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:Pro:18.04:LTS | linux-azure-5.4 | 5.4.0-1077.80~18.04.1, 5.4.0-1140.147~18.04.1, 5.4.0-1142.149~18.04.1 |
| Ubuntu:Pro:Realtime:24.04:LTS | linux-raspi-realtime | 6.8.0-2015.16, 6.8.0-2024.25, 6.8.0-2038.39 |
| Ubuntu:22.04:LTS | linux-azure-fde-5.19 | 5.19.0-1026.29~22.04.1.1, 0, 5.19.0-1025.28~22.04.1.1 |
| Ubuntu:24.04:LTS | linux-nvidia-tegra | 6.8.0-1004.4, 6.8.0-1009.9, 6.8.0-1016.16 |
| Ubuntu:20.04:LTS | linux-oem-5.14 | 5.14.0-1020.22, 5.14.0-1004.4, 0 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1013.16, 5.15.0-1014.17, 5.15.0-1017.20 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.8 | 0, 6.8.0-1046.53~22.04.1, 6.8.0-1044.51~22.04.1 |
| Ubuntu:24.04:LTS | linux-azure-nvidia-6.14 | 0, 6.14.0-1003.3, 6.14.0-1006.6 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | 5.19.0-1022.23~22.04.1, 5.19.0-1023.24~22.04.1, 5.19.0-1025.28~22.04.1 |
| Ubuntu:25.10 | linux-azure-fde | 6.17.0-1003.3, 0, 6.17.0-1004.4 |
| Ubuntu:24.04:LTS | linux-azure-fde | 6.8.0-1044.51, 0, 6.8.0-1041.48 |
| Ubuntu:Pro:FIPS-updates:24.04:LTS | linux-gcp-fips | 6.8.0-1048.51+fips1, 6.8.0-1044.47+fips1, 6.8.0-1042.45+fips1 |
| Ubuntu:22.04:LTS | linux-nvidia-6.8 | *, *, * |
| Ubuntu:Pro:FIPS-updates:22.04:LTS | linux-fips | 5.15.0-143.153+fips1, 0, 5.15.0-73.80+fips1 |
| Ubuntu:Pro:FIPS:20.04:LTS | linux-azure-fips | 0, 5.4.0-1022.22+fips1 |
| Ubuntu:Pro:FIPS-preview:22.04:LTS | linux-aws-fips | *, 5.15.0-1051.56+fips1, 0 |
| Ubuntu:Pro:20.04:LTS | linux-ibm-5.15 | 5.15.0-1048.51~20.04.1, 5.15.0-1046.49~20.04.1, 5.15.0-1045.48~20.04.1 |
| Ubuntu:18.04:LTS | linux-hwe-edge | *, 0, 5.0.0-15.16~18.04.1 |
| Ubuntu:Pro:FIPS:18.04:LTS | linux-gcp-fips | 4.15.0-1001.1, 0 |
| Ubuntu:25.10 | linux-azure | 6.16.0-1001.1, 6.17.0-1003.3, 6.17.0-1004.4 |
…and 78 more
Timeline
- May 2, 2016 CVE Published
- Mar 29, 2017 PoC Published
- Feb 4, 2022 EPSS Score
- Mar 29, 2022 EPSS Score
- May 21, 2022 EPSS Score
- Jul 15, 2022 EPSS Score
- Sep 6, 2022 EPSS Score
- Oct 29, 2022 EPSS Score
- Dec 21, 2022 EPSS Score
- Feb 12, 2023 EPSS Score
- Apr 7, 2023 EPSS Score
- May 30, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2016-2854 third-party-advisory
- http://www.halfdog.net/Security/2016/AufsPrivilegeEscalationInUserNamespaces/ third-party-advisory
- https://sourceforge.net/p/aufs/mailman/message/34864744/ third-party-advisory
- https://ubuntu.com/security/notices/USN-5343-1 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2016-2854 third-party-advisory