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Oracle Linux: (CVE-2021-44733) (Multiple Advisories): kernel security, bug fix, and enhancement update

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Oracle Linux: (CVE-2021-44733) (Multiple Advisories): kernel security, bug fix, and enhancement update

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
12/22/2021
Created
02/18/2022
Added
02/15/2022
Modified
05/18/2022

Description

A use-after-free exists in drivers/tee/tee_shm.c in the TEE subsystem in the Linux kernel through 5.15.11. This occurs because of a race condition in tee_shm_get_from_id during an attempt to free a shared memory object.

Solution(s)

  • oracle-linux-upgrade-kernel
  • 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-2022-1988
  • CVE-2021-44733
  • USN-5278-1
  • USN-5337-1
  • USN-5338-1
  • USN-5339-1
  • USN-5368-1
  • USN-5377-1
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