The journal_unmap_buffer function in fs/jbd2/transaction.c in the Linux kernel before 3.3.1 does not properly handle the _Delay and _Unwritten buffer head states, which allows local users to cause a denial of service (system crash) by leveraging the presence of an ext4 filesystem that was mounted with a journal.

Metrics

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

Access Vector Local

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Complete

This CVE is not in the KEV list.

The EPSS score is 0.00064.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

Vendors Products
Linux Subscribe
Linux Kernel Subscribe
Redhat Subscribe
Enterprise Linux Subscribe
Enterprise Mrg Subscribe

Configuration 1 [-]

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0:rc6:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0:rc7:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.4:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.5:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.6:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.7:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.8:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.9:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.10:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.11:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.12:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.13:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.14:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.15:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.16:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.17:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.18:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.19:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.20:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.21:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.22:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.23:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.24:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.25:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.26:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.27:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.28:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.29:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.30:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.31:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.32:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.33:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.34:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.1:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.1:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.1:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.1:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.1.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.1.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.1.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.1.4:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.1.5:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.1.6:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.1.7:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.1.8:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.1.9:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.1.10:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2:rc6:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2:rc7:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2.4:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2.5:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2.6:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2.7:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2.8:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2.9:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2.10:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2.11:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2.12:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2.13:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2.14:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2.15:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2.16:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2.17:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2.18:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2.19:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2.20:*:*:*:*:*:*:*
Package CPE Advisory Released Date
Red Hat Enterprise Linux 5
kernel-0:2.6.18-274.18.1.el5 cpe:/o:redhat:enterprise_linux:5 RHSA-2012:0107 2012-02-09T00:00:00Z
Red Hat Enterprise Linux 6
kernel-0:2.6.32-220.17.1.el6 cpe:/o:redhat:enterprise_linux:6 RHSA-2012:0571 2012-05-15T00:00:00Z
Red Hat Enterprise MRG 2
kernel-rt-0:3.0.30-rt50.62.el6rt cpe:/a:redhat:enterprise_mrg:2:server:el6 RHSA-2012:0670 2012-05-15T00:00:00Z

No data.

Advisories
Source ID Title
Debian DSA Debian DSA DSA-2469-1 linux-2.6 security update
EUVD EUVD EUVD-2011-4037 The journal_unmap_buffer function in fs/jbd2/transaction.c in the Linux kernel before 3.3.1 does not properly handle the _Delay and _Unwritten buffer head states, which allows local users to cause a denial of service (system crash) by leveraging the presence of an ext4 filesystem that was mounted with a journal.
Ubuntu USN Ubuntu USN USN-1431-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-1432-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-1433-1 Linux kernel (Oneiric backport) vulnerabilities
Ubuntu USN Ubuntu USN USN-1440-1 Linux kernel (Natty backport) vulnerabilities
Ubuntu USN Ubuntu USN USN-1445-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-1446-1 Linux kernel (OMAP4) vulnerabilities
Ubuntu USN Ubuntu USN USN-1453-1 Linux kernel (EC2) vulnerabilities
Ubuntu USN Ubuntu USN USN-1454-1 Linux kernel vulnerability
Ubuntu USN Ubuntu USN USN-1458-1 Linux kernel (OMAP4) vulnerabilities
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=15291164b22a357cb211b618adfef4fa82fc0de3 cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html cve-icon cve-icon
http://rhn.redhat.com/errata/RHSA-2012-0571.html cve-icon cve-icon
http://rhn.redhat.com/errata/RHSA-2012-0670.html cve-icon cve-icon
http://secunia.com/advisories/48898 cve-icon cve-icon
http://secunia.com/advisories/48964 cve-icon cve-icon
http://www.debian.org/security/2012/dsa-2469 cve-icon cve-icon
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.1 cve-icon cve-icon
https://bugzilla.redhat.com/show_bug.cgi?id=749143 cve-icon cve-icon
https://github.com/torvalds/linux/commit/15291164b22a357cb211b618adfef4fa82fc0de3 cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2011-4086 cve-icon
https://www.cve.org/CVERecord?id=CVE-2011-4086 cve-icon
History

No history.

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-06T23:53:32.777Z

Reserved: 2011-10-18T00:00:00

Link: CVE-2011-4086

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2012-07-03T16:40:31.020

Modified: 2025-04-11T00:51:21.963

Link: CVE-2011-4086

cve-icon Redhat

Severity : Moderate

Publid Date: 2012-01-25T00:00:00Z

Links: CVE-2011-4086 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses