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LIN1018-3763 : Security Advisory - linux - CVE-2018-20669

Created: Mar 27, 2019    Updated: Jan 4, 2021
Resolved Date: Jan 4, 2021
Found In Version: unknown
Fix Version: 10.18.44.21
Severity: Standard
Applicable for: Wind River Linux LTS 18
Component/s: Kernel

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.

CREATE(Triage): {Link=https://nvd.nist.gov/vuln/detail/CVE-2018-20669 User=admin}

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=594cc251fdd0d231d342d88b2fdff4bc42fb0690

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