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UBUNTU-CVE-2017-2618 Moderate

UBUNTU-CVE-2017-2618

A flaw was found in the Linux kernel's handling of clearing SELinux attributes on /proc/pid/attr files before 4.9.10. An empty (null) write to this file can crash the system by causing the system to attempt to access unmapped kernel memory.

Exploit probability Not scored
Published February 9, 2017
Required by Not available
Last source change April 22, 2026

02 / AFFECTED SOFTWARE

Affected packages

Ubuntu:14.04:LTS linux

117 explicit affected versions

Ubuntu:14.04:LTS linux-lts-xenial

24 explicit affected versions

Ubuntu:16.04:LTS linux

45 explicit affected versions

Ubuntu:16.04:LTS linux-aws

4 explicit affected versions

Ubuntu:16.04:LTS linux-hwe

17 explicit affected versions

Ubuntu:16.04:LTS linux-raspi2

22 explicit affected versions

Ubuntu:16.04:LTS linux-snapdragon

19 explicit affected versions

Ubuntu:20.04:LTS linux-azure-fde

26 explicit affected versions

Ubuntu:20.04:LTS linux-gke

51 explicit affected versions

Ubuntu:20.04:LTS linux-raspi2

6 explicit affected versions

Ubuntu:20.04:LTS linux-riscv

12 explicit affected versions

Ubuntu:22.04:LTS linux-intel-iot-realtime

1 explicit affected versions

Ubuntu:22.04:LTS linux-realtime

1 explicit affected versions

Ubuntu:22.04:LTS linux-riscv

23 explicit affected versions

Ubuntu:24.04:LTS linux-raspi-realtime

1 explicit affected versions

03 / CONNECTIONS

Connected vulnerabilities

related USN-3381-2

04 / EVIDENCE

Source records

Open Source Vulnerabilities UBUNTU-CVE-2017-2618

A flaw was found in the Linux kernel's handling of clearing SELinux attributes on /proc/pid/attr files before 4.9.10. An empty (null) write to this file can crash the system by causing the system to attempt to access unmapped kernel memory.

View original source

05 / REFERENCES

Further evidence