CVE-2012-0879

2012-02-2300:00:00

ubuntu.com

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

4.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:N/I:N/A:C

0.0004 Low

EPSS

Percentile

9.3%

JSON

The I/O implementation for block devices in the Linux kernel before 2.6.33
does not properly handle the CLONE_IO feature, which allows local users to
cause a denial of service (I/O instability) by starting multiple processes
that share an I/O context.

Bugs

Notes

Author	Note
jdstrand	per Petr Matousek, “Looks like it got fixed in Linux kernel 2.6.33(-rc1)”
apw	CLONE_IO was introduced by the commit below, the bug cannot have existed before then: fadad878cc0640cc9cd5569998bf54b693f7b38b

OSVersionArchitecturePackageVersionFilename
ubuntu10.04noarchlinux< 2.6.32-40.87UNKNOWN
ubuntu10.04noarchlinux-ec2< 2.6.32-344.46UNKNOWN
ubuntu10.04noarchlinux-fsl-imx51< 2.6.31-612.34UNKNOWN