Home / mailings [USN-1599-1] Linux kernel (OMAP4) vulnerability
Posted on 09 October 2012
Ubuntu Security==========================
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Ubuntu Security Notice USN-1599-1
October 09, 2012
linux-ti-omap4 vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 LTS
Summary:
The system could be made to run actions or potentially programs as an
administrator.
Software Description:
- linux-ti-omap4: Linux kernel for OMAP4
Details:
Pablo Neira Ayuso discovered a flaw in the credentials of netlink message=
s.
An unprivileged local attacker could exploit this by getting a netlink
based service, that relies on netlink credentials, to perform privileged
actions.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 12.04 LTS:
linux-image-3.2.0-1420-omap4 3.2.0-1420.27
After a standard system update you need to reboot your computer to make
all the necessary changes.
ATTENTION: Due to an unavoidable ABI change the kernel updates have
been given a new version number, which requires you to recompile and
reinstall all third party kernel modules you might have installed. If
you use linux-restricted-modules, you have to update that package as
well to get modules which work with the new kernel version. Unless you
manually uninstalled the standard kernel metapackages (e.g. linux-generic=
,
linux-server, linux-powerpc), a standard system upgrade will automaticall=
y
perform this as well.
References:
http://www.ubuntu.com/usn/usn-1599-1
CVE-2012-3520
Package Information:
https://launchpad.net/ubuntu/+source/linux-ti-omap4/3.2.0-1420.27
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