Vulnerabilities
Misconfiguration
Compliance
CVE Vulnerabilities

CVE-2011-2495

Published: Jun 13, 2012 | Modified: Apr 11, 2025
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
2.1 LOW
AV:L/AC:L/Au:N/C:P/I:N/A:N
RedHat/V2
2.1 LOW
AV:L/AC:L/Au:N/C:P/I:N/A:N
RedHat/V3
Ubuntu
MEDIUM
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2011-2495
CWEhttps://cwe.mitre.org/data/definitions/264.html

fs/proc/base.c in the Linux kernel before 2.6.39.4 does not properly restrict access to /proc/#####/io files, which allows local users to obtain sensitive I/O statistics by polling a file, as demonstrated by discovering the length of another users password.

Affected Software

NameVendorStart VersionEnd Version
Linux_kernelLinux*2.6.39.3 (including)
Linux_kernelLinux2.6.39 (including)2.6.39 (including)
Linux_kernelLinux2.6.39-rc1 (including)2.6.39-rc1 (including)
Linux_kernelLinux2.6.39-rc2 (including)2.6.39-rc2 (including)
Linux_kernelLinux2.6.39-rc3 (including)2.6.39-rc3 (including)
Linux_kernelLinux2.6.39-rc4 (including)2.6.39-rc4 (including)
Linux_kernelLinux2.6.39-rc5 (including)2.6.39-rc5 (including)
Linux_kernelLinux2.6.39-rc6 (including)2.6.39-rc6 (including)
Linux_kernelLinux2.6.39-rc7 (including)2.6.39-rc7 (including)
Linux_kernelLinux2.6.39.1 (including)2.6.39.1 (including)
Linux_kernelLinux2.6.39.2 (including)2.6.39.2 (including)
Red Hat Enterprise Linux 5RedHatkernel-0:2.6.18-274.3.1.el5*
Red Hat Enterprise Linux 5.6 EUS - Server OnlyRedHatkernel-0:2.6.18-238.31.1.el5*
Red Hat Enterprise Linux 6RedHatkernel-0:2.6.32-131.12.1.el6*
Red Hat Enterprise MRG 2RedHatkernel-rt-0:2.6.33.9-rt31.75.el6rt*
LinuxUbuntuhardy*
LinuxUbuntulucid*
LinuxUbuntumaverick*
LinuxUbuntunatty*
LinuxUbuntuupstream*
Linux-ec2Ubuntulucid*
Linux-ec2Ubuntumaverick*
Linux-ec2Ubuntuupstream*
Linux-fsl-imx51Ubuntulucid*
Linux-fsl-imx51Ubuntuupstream*
Linux-lts-backport-maverickUbuntulucid*
Linux-lts-backport-maverickUbuntuupstream*
Linux-lts-backport-nattyUbuntulucid*
Linux-lts-backport-nattyUbuntuupstream*
Linux-lts-backport-oneiricUbuntuupstream*
Linux-mvl-doveUbuntulucid*
Linux-mvl-doveUbuntumaverick*
Linux-mvl-doveUbuntuupstream*
Linux-ti-omap4Ubuntumaverick*
Linux-ti-omap4Ubuntunatty*
Linux-ti-omap4Ubuntuupstream*

References

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