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UBUNTU-CVE-2017-15299 Moderate

UBUNTU-CVE-2017-15299

The KEYS subsystem in the Linux kernel through 4.13.7 mishandles use of add_key for a key that already exists but is uninstantiated, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via a crafted system call.

Exploit probability Not scored
Published October 14, 2017
Required by Not available
Last source change August 17, 2026

02 / AFFECTED SOFTWARE

Affected packages

Ubuntu:14.04:LTS linux

139 explicit affected versions

Ubuntu:14.04:LTS linux-aws

1 explicit affected versions

Ubuntu:14.04:LTS linux-lts-xenial

41 explicit affected versions

Ubuntu:16.04:LTS linux

63 explicit affected versions

Ubuntu:16.04:LTS linux-aws

22 explicit affected versions

Ubuntu:16.04:LTS linux-azure

6 explicit affected versions

Ubuntu:16.04:LTS linux-gcp

5 explicit affected versions

Ubuntu:16.04:LTS linux-gke

19 explicit affected versions

Ubuntu:16.04:LTS linux-hwe

26 explicit affected versions

Ubuntu:16.04:LTS linux-kvm

4 explicit affected versions

Ubuntu:16.04:LTS linux-oem

1 explicit affected versions

Ubuntu:16.04:LTS linux-raspi2

39 explicit affected versions

Ubuntu:16.04:LTS linux-snapdragon

36 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-azure-6.11

7 explicit affected versions

Ubuntu:24.04:LTS linux-gcp-6.11

7 explicit affected versions

Ubuntu:24.04:LTS linux-hwe-6.11

8 explicit affected versions

Ubuntu:24.04:LTS linux-lowlatency-hwe-6.11

7 explicit affected versions

Ubuntu:24.04:LTS linux-raspi-realtime

1 explicit affected versions

Ubuntu:Pro:20.04:LTS linux-azure-fde-5.15

61 explicit affected versions

03 / CONNECTIONS

Connected vulnerabilities

related USN-3507-1
related USN-3798-2

04 / EVIDENCE

Source records

Open Source Vulnerabilities UBUNTU-CVE-2017-15299

The KEYS subsystem in the Linux kernel through 4.13.7 mishandles use of add_key for a key that already exists but is uninstantiated, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via a crafted system call.

View original source

05 / REFERENCES

Further evidence