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USN-4320-1 Not scored

linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon vulnerability

Al Viro discovered that the vfs layer in the Linux kernel contained a use- after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly expose sensitive information (kernel memory).

Exploit probability Not scored
Published April 6, 2020
Required by Not available
Last source change June 3, 2026

02 / AFFECTED SOFTWARE

Affected packages

Ubuntu:16.04:LTS linux

107 explicit affected versions

Ubuntu:16.04:LTS linux-aws

65 explicit affected versions

Ubuntu:16.04:LTS linux-kvm

44 explicit affected versions

Ubuntu:16.04:LTS linux-raspi2

78 explicit affected versions

Ubuntu:16.04:LTS linux-snapdragon

76 explicit affected versions

Ubuntu:Pro:14.04:LTS linux-aws

43 explicit affected versions

Ubuntu:Pro:14.04:LTS linux-lts-xenial

85 explicit affected versions

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities USN-4320-1

Al Viro discovered that the vfs layer in the Linux kernel contained a use- after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly expose sensitive information (kernel memory).

View original source

05 / REFERENCES

Further evidence