Vulnerabilities
Misconfiguration
Compliance
CVE Vulnerabilities

CVE-2013-1956

Published: Apr 24, 2013 | Modified: Apr 11, 2025
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
2.1 LOW
AV:L/AC:L/Au:N/C:N/I:P/A:N
RedHat/V2
RedHat/V3
Ubuntu
MEDIUM
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2013-1956
CWEhttps://cwe.mitre.org/data/definitions/264.html

The create_user_ns function in kernel/user_namespace.c in the Linux kernel before 3.8.6 does not check whether a chroot directory exists that differs from the namespace root directory, which allows local users to bypass intended filesystem restrictions via a crafted clone system call.

Affected Software

NameVendorStart VersionEnd Version
Linux_kernelLinux*3.8.5 (including)
Linux_kernelLinux3.8.0 (including)3.8.0 (including)
Linux_kernelLinux3.8.1 (including)3.8.1 (including)
Linux_kernelLinux3.8.2 (including)3.8.2 (including)
Linux_kernelLinux3.8.3 (including)3.8.3 (including)
Linux_kernelLinux3.8.4 (including)3.8.4 (including)
LinuxUbuntuhardy*
LinuxUbuntuoneiric*
LinuxUbuntuupstream*
Linux-armadaxpUbuntuupstream*
Linux-awsUbuntuupstream*
Linux-ec2Ubuntuupstream*
Linux-floUbuntutrusty*
Linux-floUbuntutrusty/esm*
Linux-floUbuntuupstream*
Linux-floUbuntuutopic*
Linux-floUbuntuvivid*
Linux-floUbuntuvivid/stable-phone-overlay*
Linux-floUbuntuwily*
Linux-floUbuntuxenial*
Linux-floUbuntuyakkety*
Linux-fsl-imx51Ubuntulucid*
Linux-fsl-imx51Ubuntuupstream*
Linux-gkeUbuntuupstream*
Linux-goldfishUbuntusaucy*
Linux-goldfishUbuntutrusty*
Linux-goldfishUbuntutrusty/esm*
Linux-goldfishUbuntuupstream*
Linux-goldfishUbuntuutopic*
Linux-goldfishUbuntuvivid*
Linux-goldfishUbuntuwily*
Linux-goldfishUbuntuxenial*
Linux-goldfishUbuntuyakkety*
Linux-goldfishUbuntuzesty*
Linux-grouperUbuntusaucy*
Linux-grouperUbuntutrusty*
Linux-grouperUbuntuupstream*
Linux-grouperUbuntuutopic*
Linux-hweUbuntuupstream*
Linux-hwe-edgeUbuntuupstream*
Linux-linaro-omapUbuntuoneiric*
Linux-linaro-omapUbuntuprecise*
Linux-linaro-omapUbuntuquantal*
Linux-linaro-omapUbuntuupstream*
Linux-linaro-sharedUbuntuoneiric*
Linux-linaro-sharedUbuntuprecise*
Linux-linaro-sharedUbuntuquantal*
Linux-linaro-sharedUbuntuupstream*
Linux-linaro-vexpressUbuntuoneiric*
Linux-linaro-vexpressUbuntuprecise*
Linux-linaro-vexpressUbuntuquantal*
Linux-linaro-vexpressUbuntuupstream*
Linux-lts-backport-maverickUbuntulucid*
Linux-lts-backport-maverickUbuntuupstream*
Linux-lts-backport-oneiricUbuntulucid*
Linux-lts-backport-oneiricUbuntuupstream*
Linux-lts-quantalUbuntuupstream*
Linux-lts-raringUbuntuupstream*
Linux-lts-trustyUbuntuupstream*
Linux-lts-utopicUbuntuupstream*
Linux-lts-vividUbuntuupstream*
Linux-lts-wilyUbuntuupstream*
Linux-lts-xenialUbuntuupstream*
Linux-maguroUbuntusaucy*
Linux-maguroUbuntutrusty*
Linux-maguroUbuntuupstream*
Linux-makoUbuntusaucy*
Linux-makoUbuntutrusty*
Linux-makoUbuntutrusty/esm*
Linux-makoUbuntuupstream*
Linux-makoUbuntuutopic*
Linux-makoUbuntuvivid*
Linux-makoUbuntuvivid/stable-phone-overlay*
Linux-makoUbuntuwily*
Linux-makoUbuntuxenial*
Linux-makoUbuntuyakkety*
Linux-mantaUbuntusaucy*
Linux-mantaUbuntutrusty*
Linux-mantaUbuntutrusty/esm*
Linux-mantaUbuntuupstream*
Linux-mantaUbuntuutopic*
Linux-mantaUbuntuvivid*
Linux-mantaUbuntuwily*
Linux-mvl-doveUbuntulucid*
Linux-mvl-doveUbuntuupstream*
Linux-qcm-msmUbuntulucid*
Linux-qcm-msmUbuntuoneiric*
Linux-qcm-msmUbuntuprecise*
Linux-qcm-msmUbuntuquantal*
Linux-qcm-msmUbuntuupstream*
Linux-raspi2Ubuntuupstream*
Linux-raspi2Ubuntuvivid/ubuntu-core*
Linux-snapdragonUbuntuupstream*
Linux-ti-omap4Ubuntuoneiric*
Linux-ti-omap4Ubuntuupstream*

References

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