CVE-2013-4511

Medium

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.

Package Linux Kernel
Published 2013-11-12
Last modified 2026-04-29
CVSS version 2.0
Patch available
Awaiting data

CVSS 2.0 score

6.9

out of 10
Medium
Attack Vector
Local
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Vector string
AV:L/AC:M/Au:N/C:C/I:C/A:C

Weakness type

CWE-189

CVE-2013-4511 is classified as CWE-189

See CWE-189 on MITRE CWE for full details on this weakness type.

References

The following references provide additional information about CVE-2013-4511 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Frequently asked questions

  • What is CVE-2013-4511?

    CVE-2013-4511 is a Medium severity Linux kernel vulnerability with a CVSS score of 6.9 out of 10 . CVE-2013-4511 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2013-4511?

    CVE-2013-4511 has a CVSS score of 6.9 out of 10, rated Medium severity (CVSS 2.0). The vector string is AV:L/AC:M/Au:N/C:C/I:C/A:C .

  • Is there a patch available for CVE-2013-4511?

    No patch is currently available for CVE-2013-4511. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

  • Is CVE-2013-4511 actively exploited?

    No — CVE-2013-4511 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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