ACK: [SRU Hirsute/Impish 0/1] CVE-2021-4002

[Krzysztof Kozlowski]

On 26/11/2021 02:02, Thadeu Lima de Souza Cascardo wrote:
> https://www.openwall.com/lists/oss-security/2021/11/25/1
> 
> [Impact]
> Missing TLB flush on hugetlb unmapping may allow a different process to
> access another process memory, as long as it is using hugetlb mappings.
> 
> [Test case]
> POC from the link above was used to test it on amd64.
> 
> Built tested on other architectures so far. Will test on them as time allows.
> 
> [Potential regression]
> hugetlb users may regress.
> 


Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski at canonical.com>


Best regards,
Krzysztof