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CVE Database

CVE-2012-1090

Impact: Moderate
Public: 2012-02-23
Bugzilla: 798293: CVE-2012-1090 kernel: cifs: dentry refcount leak when opening a FIFO on lookup leads to panic on unmount

Details

The MITRE CVE dictionary describes this issue as:

The cifs_lookup function in fs/cifs/dir.c in the Linux kernel before 3.2.10 allows local users to cause a denial of service (OOPS) via attempted access to a special file, as demonstrated by a FIFO.

Find out more about CVE-2012-1090 from the MITRE CVE dictionary and NIST NVD.

Statement

This issue did not affect the Linux kernel as shipped with Red Hat Enterprise
Linux 4 and 5 as they did not backport the commit
a6ce4932fbdbcd8f8e8c6df76812014351c32892 that introduced this issue. This issue did not affect the Linux kernel as shipped with Red Hat Enterprise MRG 2. This has been addressed in Red Hat Enterprise Linux 6 via https://rhn.redhat.com/errata/RHSA-2012-0481.html.

CVSS v2 metrics

Base Score: 5.7
Base Metrics: AV:A/AC:M/Au:N/C:N/I:N/A:C
Access Vector: Adjacent Network
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 version 6 (kernel) RHSA-2012:0481 April 17, 2012

External References

This page is generated automatically and has not been checked for errors or omissions.

For clarification or corrections please contact the Red Hat Security Response Team.