Description
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.
Published: 2018-04-23
Score: 7.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
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Remediation

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-1369-1 linux security update
Debian DSA Debian DSA DSA-4187-1 linux security update
Debian DSA Debian DSA DSA-4188-1 linux security update
EUVD EUVD EUVD-2018-20390 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.
Ubuntu USN Ubuntu USN USN-3654-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-3654-2 Linux kernel (Xenial HWE) vulnerabilities
Ubuntu USN Ubuntu USN USN-3656-1 Linux kernel (Raspberry Pi 2, Snapdragon) vulnerabilities
Ubuntu USN Ubuntu USN USN-3674-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-3674-2 Linux kernel (Trusty HWE) vulnerabilities
Ubuntu USN Ubuntu USN USN-3677-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-3677-2 Linux kernel (HWE) vulnerabilities
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Canonical Ubuntu Linux
Debian Debian Linux
Linux Linux Kernel
Redhat Enterprise Linux Enterprise Linux Desktop Enterprise Linux Server Enterprise Linux Workstation Rhel Extras Rt
cve-icon MITRE

Status: PUBLISHED

Assigner: checkpoint

Published:

Updated: 2024-09-16T23:56:54.630Z

Reserved: 2018-03-19T00:00:00.000Z

Link: CVE-2018-8781

cve-icon Vulnrichment

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cve-icon NVD

Status : Modified

Published: 2018-04-23T19:29:00.340

Modified: 2024-11-21T04:14:18.193

Link: CVE-2018-8781

cve-icon Redhat

Severity : Important

Publid Date: 2018-03-21T00:00:00Z

Links: CVE-2018-8781 - Bugzilla

cve-icon OpenCVE Enrichment

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Weaknesses