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Red Hat OpenShift: CVE-2019-19447: kernel: mounting a crafted ext4 filesystem image, performing some operations, and unmounting can lead to a use-after-free in ext4_put_super in fs/ext4/super.c

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Red Hat OpenShift: CVE-2019-19447: kernel: mounting a crafted ext4 filesystem image, performing some operations, and unmounting can lead to a use-after-free in ext4_put_super in fs/ext4/super.c

Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
12/08/2019
Created
03/13/2021
Added
03/12/2021
Modified
03/12/2021

Description

In the Linux kernel 5.0.21, mounting a crafted ext4 filesystem image, performing some operations, and unmounting can lead to a use-after-free in ext4_put_super in fs/ext4/super.c, related to dump_orphan_list in fs/ext4/super.c.

Solution(s)

  • linuxrpm-upgrade-redhat-coreos

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