CVE-2018-20669

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.

• CWE-20

• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/log/drivers/gpu/drm/i915/i915_gem_execbuffer.cRelease Notes, Vendor Advisory
• http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00042.htmlMailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2019/01/23/6Exploit, Mailing List, Patch, Third Party Advisory
• http://www.securityfocus.com/bid/106748Broken Link, Third Party Advisory, VDB Entry
• https://access.redhat.com/security/cve/cve-2018-20669Third Party Advisory
• https://security.netapp.com/advisory/ntap-20190404-0002/Third Party Advisory
• https://support.f5.com/csp/article/K32059550Third Party Advisory
• https://usn.ubuntu.com/4485-1/Third Party Advisory
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/log/drivers/gpu/drm/i915/i915_gem_execbuffer.cRelease Notes, Vendor Advisory
• http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00042.htmlMailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2019/01/23/6Exploit, Mailing List, Patch, Third Party Advisory
• http://www.securityfocus.com/bid/106748Broken Link, Third Party Advisory, VDB Entry
• https://access.redhat.com/security/cve/cve-2018-20669Third Party Advisory
• https://security.netapp.com/advisory/ntap-20190404-0002/Third Party Advisory
• https://support.f5.com/csp/article/K32059550Third Party Advisory
• https://usn.ubuntu.com/4485-1/Third Party Advisory

Published

Mar 21, 2019

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2018-20658The server in Core FTP 2.0 build 653 on 32-bit platforms all…
• CVE-2018-20659An issue was discovered in Bento4 1.5.1-627. The AP4_StcoAto…
• CVE-2018-2066Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultI…
• CVE-2018-20662In Poppler 0.72.0, PDFDoc::setup in PDFDoc.cc allows attacke…6.5
• CVE-2018-20663The Reporting Addon (aka Reports Addon) through 2019-01-02 f…
• CVE-2018-20664Zoho ManageEngine ADSelfService Plus 5.x before build 5701 h…
• CVE-2018-2067Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultI…
• CVE-2018-20671load_specific_debug_section in objdump.c in GNU Binutils thr…
• CVE-2018-20673The demangle_template function in cplus-dem.c in GNU libiber…
• CVE-2018-20674D-Link DIR-822 C1 before v3.11B01Beta, DIR-822-US C1 before …
• CVE-2018-20675D-Link DIR-822 C1 before v3.11B01Beta, DIR-822-US C1 before …9.8
• CVE-2018-20676In Bootstrap before 3.4.0, XSS is possible in the tooltip da…