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UBUNTU-CVE-2018-20669 High

UBUNTU-CVE-2018-20669

An issue where a provided address with access_ok() is not checked was discovered in i915_gem_execbuffer2_ioctl in drivers/gpu/drm/i915/i915_gem_execbuffer.c in the Linux kernel through 4.19.13. A local attacker can craft a malicious IOCTL function call to overwrite arbitrary kernel memory, resulting in a Denial of Service or privilege escalation.

Exploit probability Not scored
Published March 21, 2019
Required by Not available
Last source change August 17, 2026

02 / AFFECTED SOFTWARE

Affected packages

Ubuntu:16.04:LTS linux-aws-hwe

29 explicit affected versions

Ubuntu:16.04:LTS linux-azure

60 explicit affected versions

Ubuntu:16.04:LTS linux-gcp

51 explicit affected versions

Ubuntu:16.04:LTS linux-hwe

73 explicit affected versions

Ubuntu:16.04:LTS linux-hwe-edge

23 explicit affected versions

Ubuntu:16.04:LTS linux-oracle

27 explicit affected versions

Ubuntu:18.04:LTS linux

54 explicit affected versions

Ubuntu:18.04:LTS linux-aws

47 explicit affected versions

Ubuntu:18.04:LTS linux-azure

30 explicit affected versions

Ubuntu:18.04:LTS linux-azure-4.15

5 explicit affected versions

Ubuntu:18.04:LTS linux-gcp

29 explicit affected versions

Ubuntu:18.04:LTS linux-gcp-4.15

4 explicit affected versions

Ubuntu:18.04:LTS linux-gke-4.15

23 explicit affected versions

Ubuntu:18.04:LTS linux-hwe

11 explicit affected versions

Ubuntu:18.04:LTS linux-kvm

44 explicit affected versions

Ubuntu:18.04:LTS linux-oem

42 explicit affected versions

Ubuntu:18.04:LTS linux-oracle

28 explicit affected versions

Ubuntu:18.04:LTS linux-raspi2

47 explicit affected versions

Ubuntu:18.04:LTS linux-snapdragon

26 explicit affected versions

Ubuntu:20.04:LTS linux-azure-fde

26 explicit affected versions

Ubuntu:22.04:LTS linux-intel-iot-realtime

1 explicit affected versions

Ubuntu:22.04:LTS linux-realtime

1 explicit affected versions

Ubuntu:22.04:LTS linux-riscv

23 explicit affected versions

Ubuntu:24.04:LTS linux-raspi-realtime

1 explicit affected versions

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

11 explicit affected versions

Ubuntu:Pro:14.04:LTS linux-azure

37 explicit affected versions

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

5 explicit affected versions

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

2 explicit affected versions

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

6 explicit affected versions

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

1 explicit affected versions

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

1 explicit affected versions

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

1 explicit affected versions

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities UBUNTU-CVE-2018-20669

An issue where a provided address with access_ok() is not checked was discovered in i915_gem_execbuffer2_ioctl in drivers/gpu/drm/i915/i915_gem_execbuffer.c in the Linux kernel through 4.19.13. A local attacker can craft a malicious IOCTL function call to overwrite arbitrary kernel memory, resulting in a Denial of Service or privilege escalation.

View original source

05 / REFERENCES

Further evidence