USN-3276-2
shadow regression
USN-3276-1 intended to fix a vulnerability in su. The solution introduced a regression in su signal handling. This update modifies the security fix. We apologize for the inconvenience.
Original advisory details:
Sebastian Krahmer discovered integer overflows in shadow utilities. A local attacker could possibly cause them to crash or potentially gain privileges via crafted input. (CVE-2016-6252)
Tobias Stöckmann discovered a race condition in su. A local attacker could cause su to send SIGKILL to other processes with root privileges. (CVE-2017-2616)
What each source reports
OSV No score
shadow regression
USN-3276-1 intended to fix a vulnerability in su. The solution introduced a regression in su signal handling. This update modifies the security fix. We apologize for the inconvenience.
Original advisory details:
Sebastian Krahmer discovered integer overflows in shadow utilities. A local attacker could possibly cause them to crash or potentially gain privileges via crafted input. (CVE-2016-6252)
Tobias Stöckmann discovered a race condition in su. A local attacker could cause su to send SIGKILL to other processes with root privileges. (CVE-2017-2616)
- Record
USN-3276-2- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
shadowUbuntu:14.04:LTS |
before 1:4.1.5.1-1ubuntu9.5, plus listed versions 1:4.1.5.1-1ubuntu61:4.1.5.1-1ubuntu71:4.1.5.1-1ubuntu81:4.1.5.1-1ubuntu91:4.1.5.1-1ubuntu9.11:4.1.5.1-1ubuntu9.21:4.1.5.1-1ubuntu9.4 |
1:4.1.5.1-1ubuntu9.5 |
shadowUbuntu:16.04:LTS |
before 1:4.2-3.1ubuntu5.3, plus listed versions 1:4.1.5.1-1.1ubuntu71:4.2-3.1ubuntu11:4.2-3.1ubuntu21:4.2-3.1ubuntu31:4.2-3.1ubuntu41:4.2-3.1ubuntu51:4.2-3.1ubuntu5.2 |
1:4.2-3.1ubuntu5.3 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
USN-3276-2 is a vulnerability with no CVSS score yet in shadow, published May 17, 2017. No source lists public exploit code. Fixed in shadow 1:4.1.5.1-1ubuntu9.5.