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Red Hat OpenShift: CVE-2019-19807: kernel: use-after-free in sound/core/timer.c

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Red Hat OpenShift: CVE-2019-19807: kernel: use-after-free in sound/core/timer.c

Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
12/15/2019
Created
12/30/2020
Added
12/29/2020
Modified
05/10/2023

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)

  • linuxrpm-upgrade-redhat-coreos

References

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