VDB
CVE-2016-7916
CVE-2016-7916
PUBLISHED
Race condition in the environ_read function in fs/proc/base.c in the Linux kernel before 4.5.4 allows local users to obtain sensitive information from kernel memory by reading a /proc/*/environ file during a process-setup time interval in which environment-variable copying is incomplete.
EPSS 0.05% · 17.1th percentile
Risk Scores
EPSS Score
0.05%
17.1th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:24.04:LTS | linux-realtime | 0, 6.8.1-1015.16 |
| Ubuntu:20.04:LTS | linux-raspi2 | 5.3.0-1014.16, 5.3.0-1015.17, 0 |
| Ubuntu:24.04:LTS | linux-riscv | 6.8.0-51.52.1, 6.8.0-50.51.1, 6.8.0-49.49.1 |
| Ubuntu:18.04:LTS | linux-gcp | 5.0.0-1020.20~18.04.1, 4.15.0-1044.70, 4.15.0-1032.34 |
| Ubuntu:14.04:LTS | linux-lts-xenial | 0, 4.4.0-13.29~14.04.1, 4.4.0-14.30~14.04.2 |
| Ubuntu:20.04:LTS | linux-gke | 5.4.0-1043.45, 5.4.0-1042.44, 5.4.0-1041.43 |
| Ubuntu:22.04:LTS | linux-realtime | 5.15.0-1032.35, 0 |
| Ubuntu:20.04:LTS | linux-azure-fde | 5.4.0-1095.101+cvm1.1, 5.4.0-1098.104+cvm1.1, 5.4.0-1100.106+cvm1.1 |
| Ubuntu:14.04:LTS | linux-lts-vivid | 3.19.0-26.28~14.04.1, 0, * |
| Ubuntu:16.04:LTS | linux-raspi2 | 4.4.0-1003.4, 4.4.0-1004.5, 4.4.0-1009.10 |
| Ubuntu:22.04:LTS | linux-riscv | 5.15.0-1015.17, 5.15.0-1020.23, 5.15.0-1027.31 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | 5.15.0-1073.75, 0 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | 6.8.0-2019.20, 0 |
| Ubuntu:24.04:LTS | linux-hwe-6.11 | 6.11.0-26.26~24.04.1, 6.11.0-25.25~24.04.1, 6.11.0-24.24~24.04.1 |
| Ubuntu:24.04:LTS | linux-azure-6.11 | 6.11.0-1018.18~24.04.1, *, * |
| Ubuntu:18.04:LTS | linux-hwe | 0, 4.18.0-20.21~18.04.1, 4.18.0-25.26~18.04.1 |
| Ubuntu:24.04:LTS | linux-lowlatency-hwe-6.11 | 6.11.0-1012.13~24.04.1, 6.11.0-1015.16~24.04.2, 6.11.0-1009.10~24.04.1 |
| Ubuntu:14.04:LTS | linux | 3.13.0-59.98, 3.13.0-41.70, 3.13.0-46.76 |
| Ubuntu:16.04:LTS | linux-snapdragon | 4.4.0-1012.12, 0, 4.4.0-1013.15 |
| Ubuntu:20.04:LTS | linux-riscv | 5.4.0-26.30, 5.4.0-28.32, 5.4.0-36.41 |
…and 6 more
Timeline
- Nov 16, 2016 CVE Published
- Feb 4, 2022 EPSS Score
- Mar 29, 2022 EPSS Score
- May 20, 2022 EPSS Score
- Jul 12, 2022 EPSS Score
- Sep 3, 2022 EPSS Score
- Oct 26, 2022 EPSS Score
- Dec 18, 2022 EPSS Score
- Feb 8, 2023 EPSS Score
- Mar 7, 2023 EPSS Score
- Apr 2, 2023 EPSS Score
- May 25, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2016-7916 third-party-advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8148a73c9901a8794a50f950083c00ccf97d43b3 third-party-advisory
- http://source.android.com/security/bulletin/2016-11-01.html third-party-advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.4 third-party-advisory
- https://bugzilla.kernel.org/show_bug.cgi?id=116461 third-party-advisory
- https://forums.grsecurity.net/viewtopic.php?f=3&t=4363 third-party-advisory
- https://github.com/torvalds/linux/commit/8148a73c9901a8794a50f950083c00ccf97d43b3 third-party-advisory
- https://ubuntu.com/security/notices/USN-3159-1 vendor-advisory
- https://ubuntu.com/security/notices/USN-3159-2 vendor-advisory
- https://ubuntu.com/security/notices/USN-3160-1 vendor-advisory
- https://ubuntu.com/security/notices/USN-3160-2 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2016-7916 third-party-advisory