mbox series

[SRU,F,0/1] CVE-2022-48943

Message ID focal.cover.1727431769.git.juerg.haefliger@canonical.com
Headers show
Series CVE-2022-48943 | expand

Message

Juerg Haefliger Sept. 27, 2024, 10:14 a.m. UTC 
https://ubuntu.com/security/CVE-2022-48943


[ Impact ]

Potential DoS and guest starvation when using KVM virtualization.


[ Test Case ]

Compile-tested only.


[ Where Problems Could Occur ]

KVM virtualization, using the kernel as a KVM host kernel.



Liang Zhang (1):
  KVM: x86/mmu: make apf token non-zero to fix bug

 arch/x86/kvm/mmu.c | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

Comments

Mehmet Basaran Sept. 30, 2024, 2:02 p.m. UTC | #1 
Acked-by: Mehmet Basaran <mehmet.basaran@canonical.com>
Juerg Haefliger <juerg.haefliger@canonical.com> writes:

> https://ubuntu.com/security/CVE-2022-48943
>
>
> [ Impact ]
>
> Potential DoS and guest starvation when using KVM virtualization.
>
>
> [ Test Case ]
>
> Compile-tested only.
>
>
> [ Where Problems Could Occur ]
>
> KVM virtualization, using the kernel as a KVM host kernel.
>
>
>
> Liang Zhang (1):
>   KVM: x86/mmu: make apf token non-zero to fix bug
>
>  arch/x86/kvm/mmu.c | 13 ++++++++++++-
>  1 file changed, 12 insertions(+), 1 deletion(-)
>
> -- 
> 2.43.0
>
>
> -- 
> kernel-team mailing list
> kernel-team@lists.ubuntu.com
> https://lists.ubuntu.com/mailman/listinfo/kernel-team
ivanhu Oct. 1, 2024, 1:07 a.m. UTC | #2 
Acked-by: Ivan Hu <ivan.hu@canonical.com>

On 9/27/24 18:14, Juerg Haefliger wrote:
> https://ubuntu.com/security/CVE-2022-48943
> 
> 
> [ Impact ]
> 
> Potential DoS and guest starvation when using KVM virtualization.
> 
> 
> [ Test Case ]
> 
> Compile-tested only.
> 
> 
> [ Where Problems Could Occur ]
> 
> KVM virtualization, using the kernel as a KVM host kernel.
> 
> 
> 
> Liang Zhang (1):
>    KVM: x86/mmu: make apf token non-zero to fix bug
> 
>   arch/x86/kvm/mmu.c | 13 ++++++++++++-
>   1 file changed, 12 insertions(+), 1 deletion(-)
>