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CVE-2018-20669

Published: Mar 18, 2019Updated: Nov 21, 2024 Sources: CVE List NVDCWE-20
NVD MITRE
7.8CVSSHIGH
EPSS Score
0.6%
Top 57.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-20

Affected Products

n/an/a
linux kernellinux
On-premOS
Operating Systems
ubuntu linuxcanonical
On-premOS
Operating Systems / linux-distro
hci management nodenetappHardware Firmware
snapprotectnetappHardware Firmware
linuxoss-projectOperating Systemsaka the linux kernel
canonicalcommercialGBOperating Systemsaka canonical ltd.
netappcommercialUSHardware Firmware
and 2 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Initial Access
View detailed technique mapping

References

http://www.securityfocus.com/bid/106748
securityfocus.com
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/log/drivers/gpu/drm/i915/i915_gem_execbuffer.c
git.kernel.org
http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00042.html
lists.opensuse.org
and 5 more references View all →

Timeline

Published
Mar 18, 2019
Last Updated
Nov 21, 2024

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