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Oracle Linux: (CVE-2021-3739) (Multiple Advisories): Unbreakable Enterprise kernel-container security update

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Oracle Linux: (CVE-2021-3739) (Multiple Advisories): Unbreakable Enterprise kernel-container security update

Severity
4
CVSS
(AV:L/AC:L/Au:N/C:P/I:N/A:P)
Published
09/16/2021
Created
09/25/2021
Added
09/23/2021
Modified
11/23/2022

Description

A NULL pointer dereference flaw was found in the btrfs_rm_device function in fs/btrfs/volumes.c in the Linux Kernel, where triggering the bug requires ‘CAP_SYS_ADMIN’. This flaw allows a local attacker to crash the system or leak kernel internal information. The highest threat from this vulnerability is to system availability.

Solution(s)

  • oracle-linux-upgrade-kernel-uek
  • oracle-linux-upgrade-kernel-uek-container
  • oracle-linux-upgrade-kernel-uek-container-debug
  • oracle-linux-upgrade-kernel-uek-debug
  • oracle-linux-upgrade-kernel-uek-debug-devel
  • oracle-linux-upgrade-kernel-uek-devel
  • oracle-linux-upgrade-kernel-uek-doc
  • oracle-linux-upgrade-kernel-uek-tools
  • oracle-linux-upgrade-kernel-uek-tools-libs
  • oracle-linux-upgrade-perf
  • oracle-linux-upgrade-python-perf

References

  • ELSA-2021-9475
  • CVE-2021-3739
  • USN-5113-1
  • USN-5115-1
  • USN-5117-1
  • USN-5137-1
  • USN-5137-2
View more

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