Multiple integer overflows in Alchemy LCD frame-buffer drivers in the Linux kernel before 3.12 allow local users to create a read-write…

Description

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.

Scores

EPSS (exploitation in 30 days)

0.60% · top 51% of all CVEs (5 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.9.

Weakness

• n/a
• CWE-189 (opens in a new tab)All about CWE-189 and its CVEs

Affected products

• n/a

  • affected n/a

References (20)

• openSUSE-SU-2014:0247 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• USN-2073-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=7314e613d5ff9f0934f7a0f74ed7973b903315d1 (opens in a new tab)x_refsource_CONFIRMx_transferred
• https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.12.bz2 (opens in a new tab)x_refsource_CONFIRMx_transferred
• USN-2076-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• USN-2069-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• USN-2070-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• USN-2036-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• USN-2066-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• USN-2071-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• [oss-security] 20131104 Re: some unstracked linux kernel security fixes (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• USN-2074-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• https://github.com/torvalds/linux/commit/7314e613d5ff9f0934f7a0f74ed7973b903315d1 (opens in a new tab)x_refsource_CONFIRMx_transferred
• USN-2068-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• openSUSE-SU-2014:0204 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• USN-2037-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• USN-2072-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• openSUSE-SU-2014:0205 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• USN-2075-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• USN-2067-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2013-4511](https://trackcve.app/badge/CVE-2013-4511.svg)](https://trackcve.app/cve/CVE-2013-4511)

Record last updated 6 Aug 2024, 16:45 UTC.