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Advisory details: ubuntu_osv / UBUNTU-CVE-2013-2596
Advisory ID ubuntu_osv/UBUNTU-CVE-2013-2596
Aliases CVE-2013-2596
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.
Status Published
Exploitability 2.0
Weighted Severity 7.0
Risk 10.0
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (0)
There are no known CWE.
Reference id Reference type URL
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=b4cbb197c7e7a68dbad0d491242e3ca67420c13e
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=fc9bbca8f650e5f738af8806317c0a041a48ae4a
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761
https://ubuntu.com/security/CVE-2013-2596
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
https://www.cve.org/CVERecord?id=CVE-2013-2596
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.9
http://www.mandriva.com/security/advisories?name=MDVSA-2013:176
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
15208-root-motochopper-yet-another-android-root-exploit Other http://www.droidrzr.com/index.php/topic/15208-root-motochopper-yet-another-android-root-exploit/
b4cbb197c7e7a68dbad0d491242e3ca67420c13e Other https://github.com/torvalds/linux/commit/b4cbb197c7e7a68dbad0d491242e3ca67420c13e
fc9bbca8f650e5f738af8806317c0a041a48ae4a Other https://github.com/torvalds/linux/commit/fc9bbca8f650e5f738af8806317c0a041a48ae4a
?l=linux-kernel&m=136616837923938&w=2 Mailing List http://marc.info/?l=linux-kernel&m=136616837923938&w=2
RHSA-2015-0695.html Advisory http://rhn.redhat.com/errata/RHSA-2015-0695.html
RHSA-2015-0782.html Advisory http://rhn.redhat.com/errata/RHSA-2015-0782.html
RHSA-2015-0803.html Advisory http://rhn.redhat.com/errata/RHSA-2015-0803.html
root-method-released-for-droid-razr-hd-running-android-4-1-2-other-devices-too Other http://www.droid-life.com/2013/04/09/root-method-released-for-droid-razr-hd-running-android-4-1-2-other-devices-too/
showthread.php?t=2255491 Other http://forum.xda-developers.com/showthread.php?t=2255491
Data source KEV
Date added Sept. 15, 2022
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 Oct. 6, 2022
Note
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=fc9bbca8f650e5f738af8806317c0a041a48ae4a; https://nvd.nist.gov/vuln/detail/CVE-2013-2596
Ransomware campaign use Unknown

No EPSS data available for this advisory.

Patch URL
There are no known patches.
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Found at https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2013/UBUNTU-CVE-2013-2596.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

Vector: SSVCv2/E:A/A:N/T:T/P:M/B:A/M:M/D:A/2025-05-01T03:55:10Z/

Decision: Attend

Source URL: https://github.com/cisagov/vulnrichment/blob/develop/2013/2xxx/CVE-2013-2596.json

Source Advisory: vulnrichment/CVE-2013-2596

View SSVC decision tree
[{'Exploitation': 'active'},
 {'Automatable': 'no'},
 {'Technical Impact': 'total'},
 {'Mission Prevalence': 'minimal'},
 {'Public Well-being Impact': 'material'},
 {'Mission & Well-being': 'medium'}]