CVE-2018-8781

Summary

The udl_fb_mmap function in drivers/gpu/drm/udl/udl_fb.c at the Linux kernel version 3.4 and up to and including 4.15 has an integer-overflow vulnerability allowing local users with access to the udldrmfb driver to obtain full read and write permissions on kernel physical pages, resulting in a code execution in kernel space.

Affected Software

Weaknesses

• Local Privilege Escalation

ADP Enrichment

CVE Program Container

Additional References

• https://access.redhat.com/errata/RHSA-2018:3083
• https://research.checkpoint.com/mmap-vulnerabilities-linux-kernel/
• https://www.debian.org/security/2018/dsa-4187
• https://usn.ubuntu.com/3654-1/
• https://usn.ubuntu.com/3674-1/
• https://usn.ubuntu.com/3677-1/
• https://www.debian.org/security/2018/dsa-4188
• https://usn.ubuntu.com/3674-2/
• https://access.redhat.com/errata/RHSA-2018:2948
• https://patchwork.freedesktop.org/patch/211845/
• https://usn.ubuntu.com/3677-2/
• https://usn.ubuntu.com/3654-2/
• https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html
• https://usn.ubuntu.com/3656-1/
• https://access.redhat.com/errata/RHSA-2018:3096

References

• https://access.redhat.com/errata/RHSA-2018:3083
• https://research.checkpoint.com/mmap-vulnerabilities-linux-kernel/
• https://www.debian.org/security/2018/dsa-4187
• https://usn.ubuntu.com/3654-1/
• https://usn.ubuntu.com/3674-1/
• https://usn.ubuntu.com/3677-1/
• https://www.debian.org/security/2018/dsa-4188
• https://usn.ubuntu.com/3674-2/
• https://access.redhat.com/errata/RHSA-2018:2948
• https://patchwork.freedesktop.org/patch/211845/
• https://usn.ubuntu.com/3677-2/
• https://usn.ubuntu.com/3654-2/
• https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html
• https://usn.ubuntu.com/3656-1/
• https://access.redhat.com/errata/RHSA-2018:3096

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