UBUNTU-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.
02 / AFFECTED SOFTWARE
Affected packages
132 explicit affected versions
12 explicit affected versions
52 explicit affected versions
74 explicit affected versions
33 explicit affected versions
15 explicit affected versions
14 explicit affected versions
34 explicit affected versions
13 explicit affected versions
12 explicit affected versions
47 explicit affected versions
44 explicit affected versions
26 explicit affected versions
51 explicit affected versions
6 explicit affected versions
12 explicit affected versions
1 explicit affected versions
1 explicit affected versions
23 explicit affected versions
1 explicit affected versions
3 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
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.
05 / REFERENCES
Further evidence
- https://bugzilla.redhat.com/show_bug.cgi?id=1571062
- https://patchwork.freedesktop.org/patch/211845/
- https://ubuntu.com/security/CVE-2018-8781
- https://ubuntu.com/security/notices/USN-3654-1
- https://ubuntu.com/security/notices/USN-3654-2
- https://ubuntu.com/security/notices/USN-3656-1
- https://ubuntu.com/security/notices/USN-3674-1
- https://ubuntu.com/security/notices/USN-3674-2
- https://ubuntu.com/security/notices/USN-3677-1
- https://ubuntu.com/security/notices/USN-3677-2
- https://www.cve.org/CVERecord?id=CVE-2018-8781