CVE-2013-2596
KEVHIGH 7.8EPSS 3.2%
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.
- CVSS v3.1 NVD
- 7.8 HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS v2.0 NVD
- 6.9 MEDIUM
AV:L/AC:M/Au:N/C:C/I:C/A:C - EPSS
- 3.21% chance of exploitation in the next 30 days, 88th percentile
- CISA KEV
- added 2022-09-15
- Published
- 2013-04-13
- Updated
- 2025-10-22
Proof-of-concept exploits (1)
- hiikezoe/libfb_mem_exploit6★ · 2013-07-17
Security advisories
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761
- http://marc.info/?l=linux-kernel&m=136616837923938&w=2
- http://rhn.redhat.com/errata/RHSA-2015-0695.html
- http://rhn.redhat.com/errata/RHSA-2015-0782.html
- http://rhn.redhat.com/errata/RHSA-2015-0803.html
- http://www.droid-life.com/2013/04/09/root-method-released-for-droid-razr-hd-running-andro…
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
- http://www.securityfocus.com/bid/59264
- torvalds/linux/commit/fc9bbca8f650e5f738af8806317c0a041a48ae4a
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.9
- http://www.droidrzr.com/index.php/topic/15208-root-motochopper-yet-another-android-root-e…
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:176