APPLIED[HWE-5.8]: [SRU focal/linux-hwe-5.8 0/4] CVE fixes for 5.8 kernels

[Stefan Bader]

On 24.09.21 01:50, Thadeu Lima de Souza Cascardo wrote:
> [CVEs]
> These are fixes that are only needed for 5.8 kernels (though currently that
> is only azure-5.8), which are already pending or released for other
> kernels.
> 
> [Test]
> This has been built and booted as part of hwe-5.8 and azure-5.8.
> 
> The one I had a test for was CVE-2021-3612, and I can confirm I don't see a
> crash anymore.
> 
> [Potential regression]
> Two of the fixes affect KVM, so regressions would be observed on KVM guests
> running on Azure instances. There is one for a Xilinx network device, so
> any systems with that device could be impacted. Finally, the one that was
> tested against affects the /dev/input/js* interface to some input devices.
> 
> Alexander Larkin (1):
>    Input: joydev - prevent use of not validated data in JSIOCSBTNMAP
>      ioctl
> 
> David Rientjes (1):
>    KVM: SVM: Periodically schedule when unregistering regions on destroy
> 
> Esben Haabendal (1):
>    net: ll_temac: Fix TX BD buffer overwrite
> 
> Nicholas Piggin (1):
>    KVM: do not allow mapping valid but non-reference-counted pages
> 
>   arch/x86/kvm/svm/sev.c                      |  1 +
>   drivers/input/joydev.c                      |  2 +-
>   drivers/net/ethernet/xilinx/ll_temac_main.c |  2 +-
>   virt/kvm/kvm_main.c                         | 19 +++++++++++++++++--
>   4 files changed, 20 insertions(+), 4 deletions(-)
> 

Applied to focal:linux-hwe-5.8/hwe-5.8. Thanks.

-Stefan


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