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Oracle Linux: (CVE-2019-19807) (Multiple Advisories): kernel security, bug fix, and enhancement update

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Oracle Linux: (CVE-2019-19807) (Multiple Advisories): kernel security, bug fix, and enhancement update

Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
12/15/2019
Created
07/28/2020
Added
07/25/2020
Modified
10/07/2020

Description

In the Linux kernel before 5.3.11, sound/core/timer.c has a use-after-free caused by erroneous code refactoring, aka CID-e7af6307a8a5. This is related to snd_timer_open and snd_timer_close_locked. The timeri variable was originally intended to be for a newly created timer instance, but was used for a different purpose after refactoring.

Solution(s)

  • oracle-linux-upgrade-kernel

References

  • ELSA-2020-4060
  • USN-4225-1
  • USN-4227-1
  • USN-4227-2
  • CVE-2019-19807

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