CVE-2011-1745

Impact:
Important
Public Date:
2011-04-14
IAVA:
2012-A-0020
Bugzilla:
698996: CVE-2011-1745 CVE-2011-2022 kernel: agp: insufficient pg_start parameter checking in AGPIOC_BIND and AGPIOC_UNBIND ioctls

The MITRE CVE dictionary describes this issue as:

Integer overflow in the agp_generic_insert_memory function in drivers/char/agp/generic.c in the Linux kernel before 2.6.38.5 allows local users to gain privileges or cause a denial of service (system crash) via a crafted AGPIOC_BIND agp_ioctl ioctl call.

Find out more about CVE-2011-1745 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

This issue affects the versions of Linux kernel as shipped with Red Hat
Enterprise 4, 5, 6, and Red Hat Enterprise MRG. This has been addressed in Red Hat Enterprise Linux 5, 6, and Red Hat Enterprise MRG via https://rhn.redhat.com/errata/RHSA-2011-0927.html, https://rhn.redhat.com/errata/RHSA-2011-1350.html, and https://rhn.redhat.com/errata/RHSA-2011-1253.html. Red Hat Enterprise Linux 4 is now in Production 3 of the maintenance life-cycle, https://access.redhat.com/support/policy/updates/errata/, therefore the fix for this issue is not currently planned to be included in the future updates.

CVSS v2 metrics

Base Score 6.6
Base Metrics AV:L/AC:M/Au:S/C:C/I:C/A:C
Access Vector Local
Access Complexity Medium
Authentication Single
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 6 (kernel) RHSA-2011:1350 2011-10-05
Red Hat MRG Grid for RHEL 6 Server v.2 (kernel-rt) RHSA-2011:1253 2011-09-12
Red Hat Enterprise Linux 5 (kernel) RHSA-2011:0927 2011-07-15

Affected Packages State

Platform Package State
Red Hat Enterprise MRG 1 realtime-kernel Affected
Red Hat Enterprise Linux 4 kernel Affected

Acknowledgements

Red Hat would like to thank Vasiliy Kulikov of Openwall for reporting this issue.
Last Modified

CVE description copyright © 2017, The MITRE Corporation