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Oracle Linux: (CVE-2021-43056) ELSA-2022-1988: kernel security, bug fix, and enhancement update

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Oracle Linux: (CVE-2021-43056) ELSA-2022-1988: kernel security, bug fix, and enhancement update

Severity
5
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:C)
Published
10/28/2021
Created
05/20/2022
Added
05/18/2022
Modified
05/18/2022

Description

An issue was discovered in the Linux kernel for powerpc before 5.14.15. It allows a malicious KVM guest to crash the host, when the host is running on Power8, due to an arch/powerpc/kvm/book3s_hv_rmhandlers.S implementation bug in the handling of the SRR1 register values.

Solution(s)

  • oracle-linux-upgrade-kernel

References

  • ELSA-2022-1988
  • CVE-2021-43056
  • USN-5139-1
  • USN-5165-1
  • USN-5208-1
  • USN-5210-1
  • USN-5210-2
  • USN-5218-1
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