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Debian: CVE-2020-25669: linux, linux-4.19 -- security update

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Debian: CVE-2020-25669: linux, linux-4.19 -- security update

Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
12/07/2020
Created
12/08/2020
Added
12/07/2020
Modified
06/07/2021

Description

A vulnerability was found in the Linux Kernel where the function sunkbd_reinit having been scheduled by sunkbd_interrupt before sunkbd being freed. Though the dangling pointer is set to NULL in sunkbd_disconnect, there is still an alias in sunkbd_reinit causing Use After Free.

Solution(s)

  • debian-upgrade-linux
  • debian-upgrade-linux-4-19

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