CVE Vulnerabilities

CVE-2010-4258

Improper Privilege Management

Published: Dec 30, 2010 | Modified: Aug 14, 2020
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
6.2 MEDIUM
AV:L/AC:H/Au:N/C:C/I:C/A:C
RedHat/V2
6.2 MODERATE
AV:L/AC:H/Au:N/C:C/I:C/A:C
RedHat/V3
Ubuntu

The do_exit function in kernel/exit.c in the Linux kernel before 2.6.36.2 does not properly handle a KERNEL_DS get_fs value, which allows local users to bypass intended access_ok restrictions, overwrite arbitrary kernel memory locations, and gain privileges by leveraging a (1) BUG, (2) NULL pointer dereference, or (3) page fault, as demonstrated by vectors involving the clear_child_tid feature and the splice system call.

Weakness

The software does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.

Affected Software

Name Vendor Start Version End Version
Linux_kernel Linux * *
Linux Ubuntu hardy *
Linux Ubuntu karmic *
Linux Ubuntu lucid *
Linux Ubuntu maverick *
Linux Ubuntu natty *
Linux Ubuntu upstream *
Linux-ec2 Ubuntu karmic *
Linux-ec2 Ubuntu lucid *
Linux-ec2 Ubuntu maverick *
Linux-ec2 Ubuntu upstream *
Linux-fsl-imx51 Ubuntu karmic *
Linux-fsl-imx51 Ubuntu lucid *
Linux-fsl-imx51 Ubuntu upstream *
Linux-lts-backport-maverick Ubuntu lucid *
Linux-lts-backport-maverick Ubuntu upstream *
Linux-lts-backport-natty Ubuntu upstream *
Linux-mvl-dove Ubuntu karmic *
Linux-mvl-dove Ubuntu lucid *
Linux-mvl-dove Ubuntu maverick *
Linux-mvl-dove Ubuntu upstream *
Linux-source-2.6.15 Ubuntu dapper *
Linux-source-2.6.15 Ubuntu upstream *
Linux-ti-omap4 Ubuntu maverick *
Linux-ti-omap4 Ubuntu upstream *

Potential Mitigations

References