vulnerability
Ubuntu: (Multiple Advisories) (CVE-2018-20669): Linux kernel vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:L/Au:N/C:C/I:C/A:C) | Feb 18, 2019 | Sep 2, 2020 | Aug 18, 2025 |
Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
Feb 18, 2019
Added
Sep 2, 2020
Modified
Aug 18, 2025
Description
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.
Solutions
ubuntu-upgrade-linux-image-4-15-0-1051-oracleubuntu-upgrade-linux-image-4-15-0-1067-gkeubuntu-upgrade-linux-image-4-15-0-1068-raspi2ubuntu-upgrade-linux-image-4-15-0-1072-kvmubuntu-upgrade-linux-image-4-15-0-1080-awsubuntu-upgrade-linux-image-4-15-0-1081-gcpubuntu-upgrade-linux-image-4-15-0-1084-snapdragonubuntu-upgrade-linux-image-4-15-0-1093-azureubuntu-upgrade-linux-image-4-15-0-1094-oemubuntu-upgrade-linux-image-4-15-0-115-genericubuntu-upgrade-linux-image-4-15-0-115-generic-lpaeubuntu-upgrade-linux-image-4-15-0-115-lowlatencyubuntu-upgrade-linux-image-aws-hweubuntu-upgrade-linux-image-aws-lts-18-04ubuntu-upgrade-linux-image-azureubuntu-upgrade-linux-image-azure-edgeubuntu-upgrade-linux-image-azure-lts-18-04ubuntu-upgrade-linux-image-gcpubuntu-upgrade-linux-image-gcp-lts-18-04ubuntu-upgrade-linux-image-genericubuntu-upgrade-linux-image-generic-hwe-16-04ubuntu-upgrade-linux-image-generic-lpaeubuntu-upgrade-linux-image-generic-lpae-hwe-16-04ubuntu-upgrade-linux-image-gkeubuntu-upgrade-linux-image-gke-4-15ubuntu-upgrade-linux-image-kvmubuntu-upgrade-linux-image-lowlatencyubuntu-upgrade-linux-image-lowlatency-hwe-16-04ubuntu-upgrade-linux-image-oemubuntu-upgrade-linux-image-oracleubuntu-upgrade-linux-image-oracle-lts-18-04ubuntu-upgrade-linux-image-raspi2ubuntu-upgrade-linux-image-snapdragonubuntu-upgrade-linux-image-virtualubuntu-upgrade-linux-image-virtual-hwe-16-04
References
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