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-   -   ACK: taskstats: don't allow duplicate entries in listener mode (http://www.linux-archive.org/ubuntu-kernel-team/549265-ack-taskstats-dont-allow-duplicate-entries-listener-mode.html)

Stefan Bader 07-07-2011 11:56 AM

ACK: taskstats: don't allow duplicate entries in listener mode
 
On 07.07.2011 13:17, Andy Whitcroft wrote:
> CVE-2011-2484
> The add_del_listener function in kernel/taskstats.c in the Linux
> kernel 2.6.39.1 and earlier does not prevent multiple registrations
> of exit handlers, which allows local users to cause a denial of
> service (memory and CPU consumption), and bypass the OOM Killer,
> via a crafted application.
>
> The fix for this issue has already hit oneiric via upstream. Following
> this email are two patches, one a backport for hardy, and the other a
> clean cherry-pick of the upstream commit for lucid, lucid/fsl-imx51,
> maverick, maverick/ti-omap4, natty, and natty/ti-omap4.
>
> Proposing for SRU to hardy, lucid, lucid/fsl-imx51, maverick,
> maverick/ti-omap4, natty, and natty/ti-omap4.
>
> -apw
>
Backport looks like doing the same thing. Other a clean pick.

Acked-by: Stefan Bader <stefan.bader@canonical.com>

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Stefan Bader 07-07-2011 11:56 AM

ACK: taskstats: don't allow duplicate entries in listener mode
 
On 07.07.2011 13:17, Andy Whitcroft wrote:
> CVE-2011-2484
> The add_del_listener function in kernel/taskstats.c in the Linux
> kernel 2.6.39.1 and earlier does not prevent multiple registrations
> of exit handlers, which allows local users to cause a denial of
> service (memory and CPU consumption), and bypass the OOM Killer,
> via a crafted application.
>
> The fix for this issue has already hit oneiric via upstream. Following
> this email are two patches, one a backport for hardy, and the other a
> clean cherry-pick of the upstream commit for lucid, lucid/fsl-imx51,
> maverick, maverick/ti-omap4, natty, and natty/ti-omap4.
>
> Proposing for SRU to hardy, lucid, lucid/fsl-imx51, maverick,
> maverick/ti-omap4, natty, and natty/ti-omap4.
>
> -apw
>
Backport looks like doing the same thing. Other a clean pick.

Acked-by: Stefan Bader <stefan.bader@canonical.com>

--
kernel-team mailing list
kernel-team@lists.ubuntu.com
https://lists.ubuntu.com/mailman/listinfo/kernel-team


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