Re: Patches for stable 5.10 kernel

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On Mon, Nov 29, 2021 at 08:19:18AM +0100, Juergen Gross wrote:
> Hi Greg,
> 
> could you please add the following upstream patches to the stable 5.10
> kernel (I'll send separate mails for the older stable kernels as some
> of the patches don't apply for those)? They are hardening Xen PV
> frontends against attacks from related backends.
> 
> Qubes-OS has asked for those patches to be added to stable, too.
> 
> 629a5d87e26fe96b ("xen: sync include/xen/interface/io/ring.h with Xen's
> newest version")
> 71b66243f9898d0e ("xen/blkfront: read response from backend only once")
> 8f5a695d99000fc3 ("xen/blkfront: don't take local copy of a request from the
> ring page")
> b94e4b147fd1992a ("xen/blkfront: don't trust the backend response data
> blindly")
> 8446066bf8c1f9f7 ("xen/netfront: read response from backend only once")
> 162081ec33c2686a ("xen/netfront: don't read data from request on the ring
> page")
> 21631d2d741a64a0 ("xen/netfront: disentangle tx_skb_freelist")
> a884daa61a7d9165 ("xen/netfront: don't trust the backend response data
> blindly")
> e679004dec37566f ("tty: hvc: replace BUG_ON() with negative return value")
> 

All now queued up, thanks.

But people should be moving to the 5.15 kernel by now and not sticking
with 5.10 anymore for stuff like this.

greg k-h



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