Vulnerability 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 Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 4.13, < 4.14.185 |
| Canonical | Ubuntu Linux | 14.04 |
| Netapp | Hci Management Node | - |
| Netapp | Snapprotect | - |
| Netapp | Solidfire | - |
| Netapp | Cn1610 Firmware | - |
| Netapp | Cn1610 | - |
Related Weaknesses (CWE)
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/log/drivers/gpu/dRelease NotesVendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00042.htmlMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2019/01/23/6ExploitMailing ListPatch
- http://www.securityfocus.com/bid/106748Broken LinkThird Party AdvisoryVDB 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/dRelease NotesVendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00042.htmlMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2019/01/23/6ExploitMailing ListPatch
- http://www.securityfocus.com/bid/106748Broken LinkThird Party AdvisoryVDB 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
FAQ
What is CVE-2018-20669?
CVE-2018-20669 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 loca...
How severe is CVE-2018-20669?
CVE-2018-20669 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-20669?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Canonical Ubuntu Linux, Netapp Hci Management Node, Netapp Snapprotect, Netapp Solidfire.