ACK: [PATCH 0/1] [bionic] CVE-2019-12380

Khaled Elmously khalid.elmously at canonical.com
Tue Jun 16 17:42:14 UTC 2020


On 2020-06-08 11:35:22 , Benjamin M Romer wrote:
> An issue was discovered in the efi subsystem in the Linux
> kernel through 5.1.5. phys_efi_set_virtual_address_map in
> arch/x86/platform/efi/efi.c and efi_call_phys_prolog in
> arch/x86/platform/efi/efi_64.c mishandle memory allocation failures. 
> 
> NOTE:
> This id is disputed as not being an issue because “All the code touched by
> the referenced commit runs only at boot, before any user processes are
> started. Therefore, there is no possibility for an unprivileged user to
> control it.”.
> 
> Gen Zhang (1):
>   efi/x86/Add missing error handling to old_memmap 1:1 mapping code
> 
>  arch/x86/platform/efi/efi.c    | 2 ++
>  arch/x86/platform/efi/efi_64.c | 9 +++++++--
>  2 files changed, 9 insertions(+), 2 deletions(-)
> 

Acked-by: Khalid Elmously <khalid.elmously at canonical.com>




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