VDB
CVE-2016-2853
CVE-2016-2853
PUBLISHED
CVSS 7.800000190734863 HIGH
The aufs module for the Linux kernel 3.x and 4.x does not properly restrict the mount namespace, which allows local users to gain privileges by mounting an aufs filesystem on top of a FUSE filesystem, and then executing a crafted setuid program.
EPSS 0.91% · 58.2th 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
0.91%
58.2th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:Pro:FIPS-updates:24.04:LTS | linux-azure-fips | 0, *, 6.8.0-1044.50+fips1 |
| Ubuntu:Pro:Realtime:22.04:LTS | linux-intel-iot-realtime | 5.15.0-1034.36, 5.15.0-1033.35, 5.15.0-1028.33 |
| Ubuntu:Pro:FIPS:16.04:LTS | linux-fips | 4.4.0-1057.63, 4.4.0-1104.111, 4.4.0-1042.47 |
| Ubuntu:24.04:LTS | linux-azure-fde | 6.8.0-1041.48, 6.8.0-1044.51, 6.8.0-1046.53 |
| Ubuntu:Pro:FIPS-updates:24.04:LTS | linux-gcp-fips | 6.8.0-1042.45+fips1, 6.8.0-1041.43+fips1, 6.8.0-1040.42+fips1 |
| Ubuntu:Pro:FIPS:18.04:LTS | linux-fips | 0, 4.15.0-1011.12 |
| Ubuntu:Pro:FIPS:18.04:LTS | linux-gcp-fips | 0, 4.15.0-1001.1 |
| Ubuntu:24.04:LTS | linux-gke | 6.8.0-1029.33, 6.8.0-1024.28, 6.8.0-1007.10 |
| Ubuntu:Pro:FIPS-preview:22.04:LTS | linux-fips | 5.15.0-73.80+fips1, 0 |
| Ubuntu:20.04:LTS | linux-gkeop-5.15 | 5.15.0-1052.59~20.04.1, 5.15.0-1040.46~20.04.1, 5.15.0-1039.45~20.04.1 |
| Ubuntu:Pro:FIPS-updates:22.04:LTS | linux-gcp-fips | *, 0, 5.15.0-1091.100+fips1 |
| Ubuntu:25.10 | linux-realtime | 6.17.0-1004.5, 0, 6.17.0-1001.2 |
| Ubuntu:Pro:Realtime:22.04:LTS | linux-realtime | 5.15.0-1037.40, 5.15.0-1006.6, 5.15.0-1007.7 |
| Ubuntu:Pro:14.04:LTS | linux-lts-xenial | 4.4.0-138.164~14.04.1, *, * |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1018.23, 5.15.0-1017.22, 5.15.0-1013.17 |
| Ubuntu:Pro:FIPS-updates:24.04:LTS | linux-fips | 6.8.0-88.89+fips1, 6.8.0-86.87+fips1, 6.8.0-84.84+fips1 |
| Ubuntu:Pro:FIPS-updates:18.04:LTS | linux-azure-fips | 4.15.0-2024.27, 4.15.0-2062.68, 4.15.0-2066.72 |
| Ubuntu:24.04:LTS | linux-gkeop | 6.8.0-1011.13, 6.8.0-1012.14, 6.8.0-1013.15 |
| Ubuntu:Pro:16.04:LTS | linux-aws | 4.4.0-1022.31, 4.4.0-1117.131, 4.4.0-1028.37 |
| Ubuntu:Pro:FIPS-updates:18.04:LTS | linux-fips | 4.15.0-1037.42, 4.15.0-1038.43, 4.15.0-1040.45 |
…and 54 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 6, 2023 EPSS Score
- May 30, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2016-2853 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-2016-2853 third-party-advisory