ISOMAN

CVE

CVE-2018-8781

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.

Severity
HIGH
CVSS
7.8
Published
Modified

Linked Releases

References

  1. https://access.redhat.com/errata/RHSA-2018:2948
  2. https://access.redhat.com/errata/RHSA-2018:3083
  3. https://access.redhat.com/errata/RHSA-2018:3096
  4. https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html
  5. https://patchwork.freedesktop.org/patch/211845/
  6. https://research.checkpoint.com/mmap-vulnerabilities-linux-kernel/
  7. https://usn.ubuntu.com/3654-1/
  8. https://usn.ubuntu.com/3654-2/
  9. https://usn.ubuntu.com/3656-1/
  10. https://usn.ubuntu.com/3674-1/
  11. https://usn.ubuntu.com/3674-2/
  12. https://usn.ubuntu.com/3677-1/
  13. https://usn.ubuntu.com/3677-2/
  14. https://www.debian.org/security/2018/dsa-4187
  15. https://www.debian.org/security/2018/dsa-4188
  16. https://access.redhat.com/errata/RHSA-2018:2948
  17. https://access.redhat.com/errata/RHSA-2018:3083
  18. https://access.redhat.com/errata/RHSA-2018:3096
  19. https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html
  20. https://patchwork.freedesktop.org/patch/211845/