CVE-2018-20669

Summary

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.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

• http://www.securityfocus.com/bid/106748
• 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.openwall.com/lists/oss-security/2019/01/23/6
• https://access.redhat.com/security/cve/cve-2018-20669
• https://security.netapp.com/advisory/ntap-20190404-0002/
• https://support.f5.com/csp/article/K32059550
• https://usn.ubuntu.com/4485-1/

References

• http://www.securityfocus.com/bid/106748
• 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.openwall.com/lists/oss-security/2019/01/23/6
• https://access.redhat.com/security/cve/cve-2018-20669
• https://security.netapp.com/advisory/ntap-20190404-0002/
• https://support.f5.com/csp/article/K32059550
• https://usn.ubuntu.com/4485-1/

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