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CWE

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CVE-2018-20669

Published: Mar 18, 2019

Modified: Aug 5, 2024

PUBLISHED

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.

Vendor	Product	Versions
n/a	n/a	affected `n/a`

References

vdb-entry

x_refsource_BID

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/log/drivers/gpu/drm/i915/i915_gem_execbuffer.c

x_refsource_MISC

[opensuse-security-announce] 20190218 [security-announce] openSUSE-SU-2019:0203-1: important: Security update for the Linux Kernel

mailing-list

x_refsource_MLIST

[oss-security] 20190123 Linux Kernel: Missing access_ok() checks in IOCTL function (gpu/drm/i915 Driver)

mailing-list

x_refsource_MLIST

https://access.redhat.com/security/cve/cve-2018-20669

x_refsource_MISC

https://security.netapp.com/advisory/ntap-20190404-0002/

x_refsource_CONFIRM

https://support.f5.com/csp/article/K32059550

x_refsource_CONFIRM

vendor-advisory

x_refsource_UBUNTU

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