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Oracle Linux: (CVE-2021-3759) ELSA-2022-1988: kernel security, bug fix, and enhancement update

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Oracle Linux: (CVE-2021-3759) ELSA-2022-1988: kernel security, bug fix, and enhancement update

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
09/16/2021
Created
05/20/2022
Added
05/18/2022
Modified
11/23/2022

Description

A memory overflow vulnerability was found in the Linux kernel’s ipc functionality of the memcg subsystem, in the way a user calls the semget function multiple times, creating semaphores. This flaw allows a local user to starve the resources, causing a denial of service. The highest threat from this vulnerability is to system availability.

Solution(s)

  • oracle-linux-upgrade-kernel

References

  • ELSA-2022-1988
  • CVE-2021-3759
  • USN-5115-1
  • USN-5117-1
  • USN-5120-1
  • USN-5135-1
  • USN-5136-1
  • USN-5137-1
  • USN-5137-2
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