mm/ioremap.c in Linux 2.6 on 64-bit x86 systems allows local users to cause a denial of service or an information leak via an ioremap on a certain memory map that causes the iounmap to perform a lookup of a page that does not exist.

References

• https://nvd.nist.gov/vuln/detail/CVE-2005-3108
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11322
• http://secunia.com/advisories/17141
• http://secunia.com/advisories/17364
• http://secunia.com/advisories/18056
• http://www.debian.org/security/2005/dsa-922
• http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=93ef70a217637ade3f335303a112b22a134a1ec2
• http://www.redhat.com/support/errata/RHSA-2005-808.html
• http://www.securityfocus.com/bid/15049
• http://www.ubuntu.com/usn/usn-199-1
• http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=93ef70a217637ade3f335303a112b22a134a1ec2