CVE-2018-8781 (GCVE-0-2018-8781)

Vulnerability from cvelistv5 – Published: 2018-04-23 19:00 – Updated: 2024-09-16 23:56
VLAI
Summary
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
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
  • Local Privilege Escalation
Assigner
References
URL Tags
https://access.redhat.com/errata/RHSA-2018:3083 vendor-advisoryx_refsource_REDHAT
https://research.checkpoint.com/mmap-vulnerabilit… x_refsource_MISC
https://www.debian.org/security/2018/dsa-4187 vendor-advisoryx_refsource_DEBIAN
https://usn.ubuntu.com/3654-1/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3674-1/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3677-1/ vendor-advisoryx_refsource_UBUNTU
https://www.debian.org/security/2018/dsa-4188 vendor-advisoryx_refsource_DEBIAN
https://usn.ubuntu.com/3674-2/ vendor-advisoryx_refsource_UBUNTU
https://access.redhat.com/errata/RHSA-2018:2948 vendor-advisoryx_refsource_REDHAT
https://patchwork.freedesktop.org/patch/211845/ x_refsource_MISC
https://usn.ubuntu.com/3677-2/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3654-2/ vendor-advisoryx_refsource_UBUNTU
https://lists.debian.org/debian-lts-announce/2018… mailing-listx_refsource_MLIST
https://usn.ubuntu.com/3656-1/ vendor-advisoryx_refsource_UBUNTU
https://access.redhat.com/errata/RHSA-2018:3096 vendor-advisoryx_refsource_REDHAT
Impacted products
Vendor Product Version
Check Point Software Technologies Ltd. Linux Kernel Affected: kernel version 3.4 and up to and including 4.15
Create a notification for this product.
Date Public
2018-03-21 00:00
Show details on NVD website
To clipboard 

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    "redhat_vex": {
      "aggregate_severity": "Important",
      "current_release_date": "2026-06-28T11:24:28+00:00",
      "cve": "CVE-2018-8781",
      "id": "CVE-2018-8781",
      "initial_release_date": "2018-03-21T00:00:00+00:00",
      "product_status:fixed": "248",
      "product_status:known_affected": "12",
      "product_status:known_not_affected": "56",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: Integer overflow in drivers/gpu/drm/udl/udl_fb.c:udl_fb_mmap() can allow attackers to execute code in kernel space",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2018/cve-2018-8781.json",
      "version": "3"
    }
  }
}



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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.