FlawAtlas
Search the atlas
USN-5240-1 Not scored

linux, linux-aws, linux-aws-5.11, linux-aws-5.4, linux-azure, linux-azure-5.11, linux-azure-5.4, linux-bluefield, linux-gcp, linux-gcp-5.11, linux-gcp-5.4, linux-gke, linux-gke-5.4, linux-gkeop, linux-gkeop-5.4, linux-hwe-5.4, linux-ibm, linux-kvm, linux-oem-5.10, linux-oem-5.13, linux-oem-5.14, linux-oracle, linux-oracle-5.11, linux-oracle-5.4, linux-raspi, linux-raspi-5.4 vulnerability

William Liu and Jamie Hill-Daniel discovered that the file system context functionality in the Linux kernel contained an integer underflow vulnerability, leading to an out-of-bounds write. A local attacker could use this to cause a denial of service (system crash) or execute arbitrary code.

Exploit probability Not scored
Published January 19, 2022
Required by Not available
Last source change June 3, 2026

02 / AFFECTED SOFTWARE

Affected packages

Ubuntu:18.04:LTS linux-aws-5.4

29 explicit affected versions

Ubuntu:18.04:LTS linux-azure-5.4

29 explicit affected versions

Ubuntu:18.04:LTS linux-gcp-5.4

30 explicit affected versions

Ubuntu:18.04:LTS linux-gke-5.4

23 explicit affected versions

Ubuntu:18.04:LTS linux-gkeop-5.4

23 explicit affected versions

Ubuntu:18.04:LTS linux-hwe-5.4

36 explicit affected versions

Ubuntu:18.04:LTS linux-oracle-5.4

29 explicit affected versions

Ubuntu:18.04:LTS linux-raspi-5.4

27 explicit affected versions

Ubuntu:20.04:LTS linux

48 explicit affected versions

Ubuntu:20.04:LTS linux-aws

41 explicit affected versions

Ubuntu:20.04:LTS linux-aws-5.11

10 explicit affected versions

Ubuntu:20.04:LTS linux-azure

39 explicit affected versions

Ubuntu:20.04:LTS linux-azure-5.11

11 explicit affected versions

Ubuntu:20.04:LTS linux-bluefield

10 explicit affected versions

Ubuntu:20.04:LTS linux-gcp

40 explicit affected versions

Ubuntu:20.04:LTS linux-gcp-5.11

10 explicit affected versions

Ubuntu:20.04:LTS linux-gke

18 explicit affected versions

Ubuntu:20.04:LTS linux-gkeop

18 explicit affected versions

Ubuntu:20.04:LTS linux-ibm

7 explicit affected versions

Ubuntu:20.04:LTS linux-kvm

36 explicit affected versions

Ubuntu:20.04:LTS linux-oem-5.10

25 explicit affected versions

Ubuntu:20.04:LTS linux-oem-5.13

10 explicit affected versions

Ubuntu:20.04:LTS linux-oem-5.14

8 explicit affected versions

Ubuntu:20.04:LTS linux-oracle

39 explicit affected versions

Ubuntu:20.04:LTS linux-oracle-5.11

10 explicit affected versions

Ubuntu:20.04:LTS linux-raspi

31 explicit affected versions

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities USN-5240-1

William Liu and Jamie Hill-Daniel discovered that the file system context functionality in the Linux kernel contained an integer underflow vulnerability, leading to an out-of-bounds write. 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