Vulnerability Description
The agp_generic_remove_memory function in drivers/char/agp/generic.c in the Linux kernel before 2.6.38.5 does not validate a certain start parameter, which allows local users to gain privileges or cause a denial of service (system crash) via a crafted AGPIOC_UNBIND agp_ioctl ioctl call, a different vulnerability than CVE-2011-1745.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 2.6.38.5 |
| Redhat | Enterprise Linux | 5.0 |
| Redhat | Enterprise Linux Aus | 5.6 |
| Redhat | Enterprise Linux Desktop | 5.0 |
| Redhat | Enterprise Linux Eus | 5.6 |
| Redhat | Enterprise Linux Server | 5.0 |
| Redhat | Enterprise Linux Workstation | 5.0 |
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 ListPatchThird Party Advisory
- http://openwall.com/lists/oss-security/2011/04/22/7Mailing ListPatchThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2011-0927.htmlThird Party Advisory
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.38.5Release NotesVendor Advisory
- http://www.securityfocus.com/bid/47843Third Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=698996Issue TrackingPatchThird Party Advisory
- https://lkml.org/lkml/2011/4/14/293PatchThird 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 ListPatchThird Party Advisory
- http://openwall.com/lists/oss-security/2011/04/22/7Mailing ListPatchThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2011-0927.htmlThird Party Advisory
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.38.5Release NotesVendor Advisory
- http://www.securityfocus.com/bid/47843Third Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=698996Issue TrackingPatchThird Party Advisory
FAQ
What is CVE-2011-2022?
CVE-2011-2022 is a vulnerability with a CVSS score of 6.9 (MEDIUM). The agp_generic_remove_memory function in drivers/char/agp/generic.c in the Linux kernel before 2.6.38.5 does not validate a certain start parameter, which allows local users to gain privileges or cau...
How severe is CVE-2011-2022?
CVE-2011-2022 has been rated MEDIUM with a CVSS base score of 6.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2011-2022?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Redhat Enterprise Linux, Redhat Enterprise Linux Aus, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Eus.