CVE-2011-1593

Impact:
Moderate
Public Date:
2011-04-13
IAVA:
2012-A-0020
Bugzilla:
697822: CVE-2011-1593 kernel: proc: signedness issue in next_pidmap()

The MITRE CVE dictionary describes this issue as:

Multiple integer overflows in the next_pidmap function in kernel/pid.c in the Linux kernel before 2.6.38.4 allow local users to cause a denial of service (system crash) via a crafted (1) getdents or (2) readdir system call.

Find out more about CVE-2011-1593 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

This issue affects the versions of Linux kernel as shipped with Red Hat
Enterprise Linux 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-2011-1189.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 4.7
Base Metrics AV:L/AC:M/Au:N/C:N/I:N/A:C
Access Vector Local
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact None
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-2011:1189 2011-08-23
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 Will not fix
Red Hat Enterprise Linux 4 kernel Will not fix

Acknowledgements

Red Hat would like to thank Robert Swiecki for reporting this issue.
Last Modified

CVE description copyright © 2017, The MITRE Corporation