Vulnerabilities
Misconfiguration
Compliance
CVE Vulnerabilities

CVE-2012-1097

NULL Pointer Dereference

Published: May 17, 2012 | Modified: Apr 11, 2025
CVSS 3.x
7.8
HIGH
Source:
NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
7.2 HIGH
AV:L/AC:L/Au:N/C:C/I:C/A:C
RedHat/V2
4.9 MODERATE
AV:L/AC:L/Au:N/C:N/I:N/A:C
RedHat/V3
Ubuntu
MEDIUM
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2012-1097
CWEhttps://cwe.mitre.org/data/definitions/476.html

The regset (aka register set) feature in the Linux kernel before 3.2.10 does not properly handle the absence of .get and .set methods, which allows local users to cause a denial of service (NULL pointer dereference) or possibly have unspecified other impact via a (1) PTRACE_GETREGSET or (2) PTRACE_SETREGSET ptrace call.

Weakness

The product dereferences a pointer that it expects to be valid but is NULL.

Affected Software

NameVendorStart VersionEnd Version
Linux_kernelLinux*3.0.24 (excluding)
Linux_kernelLinux3.1 (including)3.2.10 (excluding)
Red Hat Enterprise Linux 6RedHatkernel-0:2.6.32-220.13.1.el6*
Red Hat Enterprise Linux 6.1 EUS - Server OnlyRedHatkernel-0:2.6.32-131.29.1.el6*
LinuxUbuntulucid*
LinuxUbuntumaverick*
LinuxUbuntunatty*
LinuxUbuntuoneiric*
LinuxUbuntuupstream*
Linux-armadaxpUbuntuupstream*
Linux-awsUbuntuupstream*
Linux-ec2Ubuntulucid*
Linux-ec2Ubuntumaverick*
Linux-ec2Ubuntuupstream*
Linux-floUbuntuupstream*
Linux-fsl-imx51Ubuntulucid*
Linux-fsl-imx51Ubuntuupstream*
Linux-gkeUbuntuupstream*
Linux-goldfishUbuntusaucy*
Linux-goldfishUbuntuupstream*
Linux-grouperUbuntusaucy*
Linux-grouperUbuntutrusty*
Linux-grouperUbuntuupstream*
Linux-grouperUbuntuutopic*
Linux-hweUbuntuupstream*
Linux-hwe-edgeUbuntuupstream*
Linux-lts-backport-maverickUbuntulucid*
Linux-lts-backport-maverickUbuntuupstream*
Linux-lts-backport-nattyUbuntulucid*
Linux-lts-backport-nattyUbuntuupstream*
Linux-lts-backport-oneiricUbuntulucid*
Linux-lts-backport-oneiricUbuntuupstream*
Linux-lts-quantalUbuntuupstream*
Linux-lts-raringUbuntuupstream*
Linux-lts-saucyUbuntuupstream*
Linux-lts-trustyUbuntuupstream*
Linux-lts-utopicUbuntuupstream*
Linux-lts-vividUbuntuupstream*
Linux-lts-wilyUbuntuupstream*
Linux-lts-xenialUbuntuupstream*
Linux-maguroUbuntusaucy*
Linux-maguroUbuntutrusty*
Linux-maguroUbuntuupstream*
Linux-makoUbuntusaucy*
Linux-makoUbuntuupstream*
Linux-mantaUbuntusaucy*
Linux-mantaUbuntuupstream*
Linux-mvl-doveUbuntulucid*
Linux-mvl-doveUbuntumaverick*
Linux-mvl-doveUbuntuupstream*
Linux-raspi2Ubuntuupstream*
Linux-raspi2Ubuntuvivid/ubuntu-core*
Linux-snapdragonUbuntuupstream*
Linux-ti-omap4Ubuntumaverick*
Linux-ti-omap4Ubuntunatty*
Linux-ti-omap4Ubuntuoneiric*
Linux-ti-omap4Ubuntuupstream*

Potential Mitigations

References

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