PT-2018-18627 · Linux+5 · Linux Kernel+5
Eyal Itkin
·
Published
2018-03-30
·
Updated
2023-03-03
·
CVE-2018-8781
CVSS v3.1
7.8
High
| Vector | AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
Linux kernel versions 3.4 through 4.15
Description
The issue allows local users with access to the udldrmfb driver to obtain full read and write permissions on kernel physical pages, resulting in code execution in kernel space. This is due to an integer-overflow vulnerability in the udl fb mmap function.
Recommendations
For Linux kernel versions 3.4 through 4.15, consider restricting access to the udldrmfb driver to minimize the risk of exploitation.
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Integer Overflow
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Weakness Enumeration
Related Identifiers
Affected Products
Alt Linux
Centos
Linux Kernel
Red Hat
Suse
Ubuntu