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CVE-2013-4511

Published: 12 November 2013

Multiple integer overflows in Alchemy LCD frame-buffer drivers in the Linux kernel before 3.12 allow local users to create a read-write memory mapping for the entirety of kernel memory, and consequently gain privileges, via crafted mmap operations, related to the (1) au1100fb_fb_mmap function in drivers/video/au1100fb.c and the (2) au1200fb_fb_mmap function in drivers/video/au1200fb.c.

From the Ubuntu security team

Multiple integer overflow flaws were discovered in the Alchemy LCD frame- buffer drivers in the Linux kernel. An unprivileged local user could exploit this flaw to gain administrative privileges.

Priority

Low

Status

Package Release Status
linux
Launchpad, Ubuntu, Debian
upstream
Released (3.12)
Patches:
Introduced by

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2

Fixed by 201f99f170df14ba52ea4c52847779042b7a623b
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This package is not directly supported by the Ubuntu Security Team
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