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UBUNTU-CVE-2018-20976 High

UBUNTU-CVE-2018-20976

An issue was discovered in fs/xfs/xfs_super.c in the Linux kernel before 4.18. A use after free exists, related to xfs_fs_fill_super failure.

Exploit probability Not scored
Published August 18, 2019
Required by Not available
Last source change August 18, 2026

02 / AFFECTED SOFTWARE

Affected packages

Ubuntu:16.04:LTS linux-snapdragon

68 explicit affected versions

Ubuntu:18.04:LTS linux-oem

25 explicit affected versions

Ubuntu:Pro:14.04:LTS linux

191 explicit affected versions

Ubuntu:18.04:LTS linux-aws

32 explicit affected versions

Ubuntu:18.04:LTS linux-oracle

14 explicit affected versions

Ubuntu:Pro:FIPS-updates:18.04:LTS linux-azure-fips

1 explicit affected versions

Ubuntu:18.04:LTS linux

37 explicit affected versions

Ubuntu:Pro:FIPS:18.04:LTS linux-gcp-fips

1 explicit affected versions

Ubuntu:24.04:LTS linux-raspi-realtime

1 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:16.04:LTS linux-kvm

36 explicit affected versions

Ubuntu:16.04:LTS linux-oracle

14 explicit affected versions

Ubuntu:Pro:14.04:LTS linux-aws

35 explicit affected versions

Ubuntu:18.04:LTS linux-snapdragon

12 explicit affected versions

Ubuntu:18.04:LTS linux-kvm

31 explicit affected versions

Ubuntu:Pro:FIPS:18.04:LTS linux-azure-fips

1 explicit affected versions

Ubuntu:18.04:LTS linux-gke-4.15

10 explicit affected versions

Ubuntu:22.04:LTS linux-riscv

23 explicit affected versions

Ubuntu:Nvidia-BlueField:24.04:LTS linux-bluefield

11 explicit affected versions

Ubuntu:16.04:LTS linux-raspi2

70 explicit affected versions

Ubuntu:Pro:FIPS:16.04:LTS linux-fips

2 explicit affected versions

Ubuntu:18.04:LTS linux-raspi2

33 explicit affected versions

Ubuntu:16.04:LTS linux-gcp

38 explicit affected versions

Ubuntu:16.04:LTS linux

98 explicit affected versions

Ubuntu:20.04:LTS linux-gke

51 explicit affected versions

Ubuntu:16.04:LTS linux-azure

45 explicit affected versions

Ubuntu:Pro:FIPS:18.04:LTS linux-aws-fips

1 explicit affected versions

Ubuntu:Pro:FIPS-updates:18.04:LTS linux-aws-fips

1 explicit affected versions

Ubuntu:16.04:LTS linux-aws

57 explicit affected versions

Ubuntu:16.04:LTS linux-aws-hwe

15 explicit affected versions

Ubuntu:18.04:LTS linux-azure

21 explicit affected versions

Ubuntu:20.04:LTS linux-azure-fde

26 explicit affected versions

Ubuntu:18.04:LTS linux-gcp

29 explicit affected versions

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

76 explicit affected versions

Ubuntu:16.04:LTS linux-hwe

58 explicit affected versions

Ubuntu:Pro:FIPS:16.04:LTS linux-fips

12 explicit affected versions

Ubuntu:Pro:14.04:LTS linux-azure

22 explicit affected versions

Ubuntu:22.04:LTS linux-realtime

1 explicit affected versions

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities UBUNTU-CVE-2018-20976

An issue was discovered in fs/xfs/xfs_super.c in the Linux kernel before 4.18. A use after free exists, related to xfs_fs_fill_super failure.

View original source

05 / REFERENCES

Further evidence