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USN-5014-1 Not scored

linux, linux-aws, linux-azure, linux-gcp, linux-gke-5.3, linux-hwe, linux-lts-xenial, linux-kvm, linux-oracle, linux-raspi, linux-raspi2-5.3 vulnerability

It was discovered that the virtual file system implementation in the Linux kernel contained an unsigned to signed integer conversion error. A local attacker could use this to cause a denial of service (system crash) or execute arbitrary code.

Exploit probability Not scored
Published July 20, 2021
Required by Not available
Last source change June 29, 2026

02 / AFFECTED SOFTWARE

Affected packages

Ubuntu:18.04:LTS linux-gke-5.3

20 explicit affected versions

Ubuntu:18.04:LTS linux-hwe

42 explicit affected versions

Ubuntu:18.04:LTS linux-raspi2-5.3

19 explicit affected versions

Ubuntu:Pro:14.04:LTS linux

161 explicit affected versions

Ubuntu:Pro:14.04:LTS linux-aws

63 explicit affected versions

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

107 explicit affected versions

Ubuntu:Pro:16.04:LTS linux

129 explicit affected versions

Ubuntu:Pro:16.04:LTS linux-aws

85 explicit affected versions

Ubuntu:Pro:16.04:LTS linux-kvm

64 explicit affected versions

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities USN-5014-1

It was discovered that the virtual file system implementation in the Linux kernel contained an unsigned to signed integer conversion error. A local attacker could use this to cause a denial of service (system crash) or execute arbitrary code.

View original source

05 / REFERENCES

Further evidence