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SUSE: CVE-2020-29374: SUSE Linux Security Advisory

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SUSE: CVE-2020-29374: SUSE Linux Security Advisory

Severity
3
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:N)
Published
11/28/2020
Created
03/11/2021
Added
03/09/2021
Modified
02/04/2022

Description

An issue was discovered in the Linux kernel before 5.7.3, related to mm/gup.c and mm/huge_memory.c. The get_user_pages (aka gup) implementation, when used for a copy-on-write page, does not properly consider the semantics of read operations and therefore can grant unintended write access, aka CID-17839856fd58.

Solution(s)

  • suse-upgrade-cluster-md-kmp-default
  • suse-upgrade-dlm-kmp-default
  • suse-upgrade-gfs2-kmp-default
  • suse-upgrade-kernel-default
  • suse-upgrade-kernel-default-extra
  • suse-upgrade-kernel-docs
  • suse-upgrade-kernel-obs-build
  • suse-upgrade-ocfs2-kmp-default

References

  • SUSE-SU-2021:0735-1
  • SUSE-SU-2021:0736-1
  • SUSE-SU-2021:0737-1
  • SUSE-SU-2021:0738-1
  • SUSE-SU-2021:0740-1
  • SUSE-SU-2021:0741-1
  • SUSE-SU-2021:1175-1
  • SUSE-SU-2021:1176-1
  • SUSE-SU-2021:1210-1
  • CVE-2020-29374
  • USN-4748-1
  • USN-4749-1
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