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 ?
No CVSS data available.
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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      "sourceIdentifier": "cve@checkpoint.com",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-190\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2018-8781\",\"sourceIdentifier\":\"cve@checkpoint.com\",\"published\":\"2018-04-23T19:29:00.340\",\"lastModified\":\"2024-11-21T04:14:18.193\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"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.\"},{\"lang\":\"es\",\"value\":\"La funci\u00f3n udl_fb_mmap en drivers/gpu/drm/udl/udl_fb.c en el kernel de Linux en su versi\u00f3n 3.4 y hasta e incluyendo la versi\u00f3n 4.15 tiene una vulnerabilidad de desbordamiento de enteros que permite que usuarios locales con acceso al controlador udldrmfb obtengan permisos totales de lectura y escritura en p\u00e1ginas f\u00edsicas del kernel, lo que resulta 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  }
}


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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.