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Oracle Linux: (CVE-2019-7308) ELSA-2020-5755: Unbreakable Enterprise kernel security update

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Oracle Linux: (CVE-2019-7308) ELSA-2020-5755: Unbreakable Enterprise kernel security update

Severity
5
CVSS
(AV:L/AC:M/Au:N/C:C/I:N/A:N)
Published
02/01/2019
Created
07/24/2020
Added
07/22/2020
Modified
07/22/2020

Description

kernel/bpf/verifier.c in the Linux kernel before 4.20.6 performs undesirable out-of-bounds speculation on pointer arithmetic in various cases, including cases of different branches with different state or limits to sanitize, leading to side-channel attacks.

Solution(s)

  • oracle-linux-upgrade-kernel-uek
  • 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-headers
  • oracle-linux-upgrade-kernel-uek-tools
  • oracle-linux-upgrade-kernel-uek-tools-libs
  • oracle-linux-upgrade-kernel-uek-tools-libs-devel
  • oracle-linux-upgrade-perf
  • oracle-linux-upgrade-python-perf

References

  • ELSA-2020-5755
  • USN-3930-1
  • USN-3930-2
  • USN-3931-1
  • USN-3931-2
  • CVE-2019-7308

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