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UBUNTU-CVE-2015-8539 High

UBUNTU-CVE-2015-8539

The KEYS subsystem in the Linux kernel before 4.4 allows local users to gain privileges or cause a denial of service (BUG) via crafted keyctl commands that negatively instantiate a key, related to security/keys/encrypted-keys/encrypted.c, security/keys/trusted.c, and security/keys/user_defined.c.

Exploit probability Not scored
Published February 7, 2016
Required by Not available
Last source change April 22, 2026

02 / AFFECTED SOFTWARE

Affected packages

Ubuntu:14.04:LTS linux

139 explicit affected versions

03 / CONNECTIONS

Connected vulnerabilities

related USN-3798-2

04 / EVIDENCE

Source records

Open Source Vulnerabilities UBUNTU-CVE-2015-8539

The KEYS subsystem in the Linux kernel before 4.4 allows local users to gain privileges or cause a denial of service (BUG) via crafted keyctl commands that negatively instantiate a key, related to security/keys/encrypted-keys/encrypted.c, security/keys/trusted.c, and security/keys/user_defined.c.

View original source

05 / REFERENCES

Further evidence