CVE-2018-8781
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 0.5%
exploitation probability
0.5%top 60% of all CVEs
observed exploitation
nono source reports it
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 products
Check Point Software Technologies Ltd. · Linux KernelReferences
https://access.redhat.com/errata/RHSA-2018:2948https://access.redhat.com/errata/RHSA-2018:3083https://access.redhat.com/errata/RHSA-2018:3096https://lists.debian.org/debian-lts-announce/2018/05/msg00000.htmlhttps://patchwork.freedesktop.org/patch/211845/https://research.checkpoint.com/mmap-vulnerabilities-linux-kernel/https://usn.ubuntu.com/3654-1/https://usn.ubuntu.com/3654-2/https://usn.ubuntu.com/3656-1/https://usn.ubuntu.com/3674-1/https://usn.ubuntu.com/3674-2/https://usn.ubuntu.com/3677-1/