Vulnerability Description
The agp subsystem in the Linux kernel 2.6.38.5 and earlier does not properly restrict memory allocation by the (1) AGPIOC_RESERVE and (2) AGPIOC_ALLOCATE ioctls, which allows local users to cause a denial of service (memory consumption) by making many calls to these ioctls.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 2.6.38.5 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://openwall.com/lists/oss-security/2011/04/21/4Mailing ListThird Party Advisory
- http://openwall.com/lists/oss-security/2011/04/22/10Mailing ListThird Party Advisory
- http://openwall.com/lists/oss-security/2011/04/22/11Mailing ListThird Party Advisory
- http://openwall.com/lists/oss-security/2011/04/22/7Mailing ListThird Party Advisory
- http://openwall.com/lists/oss-security/2011/04/22/8Mailing ListThird Party Advisory
- http://openwall.com/lists/oss-security/2011/04/22/9Mailing ListThird Party Advisory
- http://securitytracker.com/id?1025441Third Party AdvisoryVDB Entry
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.38.5Release NotesVendor Advisory
- http://www.securityfocus.com/bid/47832Third Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=698999Issue TrackingThird Party Advisory
- https://lkml.org/lkml/2011/4/14/294Third Party Advisory
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://openwall.com/lists/oss-security/2011/04/21/4Mailing ListThird Party Advisory
- http://openwall.com/lists/oss-security/2011/04/22/10Mailing ListThird Party Advisory
FAQ
What is CVE-2011-1747?
CVE-2011-1747 is a vulnerability with a CVSS score of 4.7 (MEDIUM). The agp subsystem in the Linux kernel 2.6.38.5 and earlier does not properly restrict memory allocation by the (1) AGPIOC_RESERVE and (2) AGPIOC_ALLOCATE ioctls, which allows local users to cause a de...
How severe is CVE-2011-1747?
CVE-2011-1747 has been rated MEDIUM with a CVSS base score of 4.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2011-1747?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.