CVE-2018-20669

    Dashboard / Vulnerabilities / CVE-2018-20669

    CVE-2018-20669

    Published: 21 Mar 2019Last Modified: 15 Mar 2026

    Summary:

    Details: 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.

    References: https://support.f5.com/csp/article/K32059550, https://usn.ubuntu.com/4485-1/, http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/log/drivers/gpu/drm/i915/i915_gem_execbuffer.c, http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00042.html, http://www.securityfocus.com/bid/106748, https://access.redhat.com/security/cve/cve-2018-20669, https://security.netapp.com/advisory/ntap-20190404-0002/, http://www.openwall.com/lists/oss-security/2019/01/23/6

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: N/A

    Events:

    Introduced- None
    Fixed -None

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High