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CentOS Linux: CVE-2019-12817: Important: kernel security and bug fix update (CESA-2019:2703)

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CentOS Linux: CVE-2019-12817: Important: kernel security and bug fix update (CESA-2019:2703)

Severity
7
CVSS
(AV:L/AC:M/Au:N/C:C/I:C/A:C)
Published
06/25/2019
Created
09/12/2019
Added
09/11/2019
Modified
05/25/2023

Description

arch/powerpc/mm/mmu_context_book3s64.c in the Linux kernel before 5.1.15 for powerpc has a bug where unrelated processes may be able to read/write to one another's virtual memory under certain conditions via an mmap above 512 TB. Only a subset of powerpc systems are affected.

Solution(s)

  • centos-upgrade-kernel

References

  • 108884
  • DSA-4495
  • CVE-2019-12817
  • RHSA-2019:2703

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