CVE-2013-2596 (GCVE-0-2013-2596)

Vulnerability from cvelistv5 – Published: 2013-04-13 01:00 – Updated: 2025-10-22 00:05
VLAI CISA KEV
Summary
Integer overflow in the fb_mmap function in drivers/video/fbmem.c in the Linux kernel before 3.8.9, as used in a certain Motorola build of Android 4.1.2 and other products, allows local users to create a read-write memory mapping for the entirety of kernel memory, and consequently gain privileges, via crafted /dev/graphics/fb0 mmap2 system calls, as demonstrated by the Motochopper pwn program.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
  • n/a
Assigner
References
Date Public
2013-04-09 00:00
CISA KEV
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 84080d35-84d7-4133-9288-1065c112af92

Vulnerability ID: CVE-2013-2596

Status: Confirmed

Status Updated: 2022-09-15 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2022-09-15
Asserted: 2022-09-15
Scope
Notes: KEV entry: Linux Kernel Integer Overflow Vulnerability | Affected: Linux / Kernel | Description: Linux kernel fb_mmap function in drivers/video/fbmem.c contains an integer overflow vulnerability that allows for privilege escalation. | Required action: Apply updates per vendor instructions. | Due date: 2022-10-06 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=fc9bbca8f650e5f738af8806317c0a041a48ae4a; https://nvd.nist.gov/vuln/detail/CVE-2013-2596
Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev

Details
Cwes CWE-189
Feed CISA Known Exploited Vulnerabilities Catalog
Product Kernel
Due Date 2022-10-06
Date Added 2022-09-15
Vendorproject Linux
Vulnerabilityname Linux Kernel Integer Overflow Vulnerability
Knownransomwarecampaignuse Unknown
References
Created: 2026-02-02 13:25 UTC | Updated: 2026-02-06 07:53 UTC
Show details on NVD website
To clipboard 

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\"http://forum.xda-developers.com/showthread.php?t=2255491\", \"refsource\": \"MISC\"}, {\"url\": \"http://www.droidrzr.com/index.php/topic/15208-root-motochopper-yet-another-android-root-exploit/\", \"name\": \"http://www.droidrzr.com/index.php/topic/15208-root-motochopper-yet-another-android-root-exploit/\", \"refsource\": \"MISC\"}, {\"url\": \"http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.9\", \"name\": \"http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.9\", \"refsource\": \"CONFIRM\"}, {\"url\": \"http://rhn.redhat.com/errata/RHSA-2015-0782.html\", \"name\": \"RHSA-2015:0782\", \"refsource\": \"REDHAT\"}, {\"url\": \"http://kb.juniper.net/InfoCenter/index?page=content\u0026id=JSA10761\", \"name\": \"http://kb.juniper.net/InfoCenter/index?page=content\u0026id=JSA10761\", \"refsource\": \"CONFIRM\"}, {\"url\": \"https://github.com/torvalds/linux/commit/fc9bbca8f650e5f738af8806317c0a041a48ae4a\", \"name\": \"https://github.com/torvalds/linux/commit/fc9bbca8f650e5f738af8806317c0a041a48ae4a\", \"refsource\": \"CONFIRM\"}, {\"url\": \"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=fc9bbca8f650e5f738af8806317c0a041a48ae4a\", \"name\": \"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=fc9bbca8f650e5f738af8806317c0a041a48ae4a\", \"refsource\": \"CONFIRM\"}]}, \"data_format\": \"MITRE\", \"description\": {\"description_data\": [{\"lang\": \"eng\", \"value\": \"Integer overflow in the fb_mmap function in drivers/video/fbmem.c in the Linux kernel before 3.8.9, as used in a certain Motorola build of Android 4.1.2 and other products, allows local users to create a read-write memory mapping for the entirety of kernel memory, and consequently gain privileges, via crafted /dev/graphics/fb0 mmap2 system calls, as demonstrated by the Motochopper pwn program.\"}]}, \"problemtype\": {\"problemtype_data\": [{\"description\": [{\"lang\": \"eng\", \"value\": \"n/a\"}]}]}, \"data_version\": \"4.0\", \"CVE_data_meta\": {\"ID\": \"CVE-2013-2596\", \"STATE\": \"PUBLIC\", \"ASSIGNER\": \"cve@mitre.org\"}}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2013-2596\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-10-22T00:05:43.277Z\", \"dateReserved\": \"2013-03-15T00:00:00.000Z\", \"assignerOrgId\": \"8254265b-2729-46b6-b9e3-3dfca2d5bfca\", \"datePublished\": \"2013-04-13T01:00:00.000Z\", \"assignerShortName\": \"mitre\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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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.