CVE-2020-10773

Published: Sep 10, 2020Modified: Jun 17, 2026

4.4

Vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Exploitability: 0.8 / Impact: 3.6

Source: NVD

Description

A stack information leak flaw was found in s390/s390x in the Linux kernel’s memory manager functionality, where it incorrectly writes to the /proc/sys/vm/cmm_timeout file. This flaw allows a local user to see the kernel data.

Affected (1)

Products: Linux: Linux Kernel

Linux

1 product

Linux Kernel

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Linux Linux Kernel	Version 5.4.0 rc6

Related CWEs

CWE-626

Null Byte Interaction Error (Poison Null Byte)

The product does not properly handle null bytes or NUL characters when passing data between different representations or components.

References (4)

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10773

Source: secalert@redhat.com

Issue TrackingThird Party Advisory

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b8e51a6a9db94bc1fb18ae831b3dab106b5a4b5f

Source: secalert@redhat.com

PatchVendor Advisory

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10773

Source: af854a3a-2127-422b-91ae-364da2661108

Issue TrackingThird Party Advisory

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b8e51a6a9db94bc1fb18ae831b3dab106b5a4b5f

Source: af854a3a-2127-422b-91ae-364da2661108

PatchVendor Advisory

Timeline

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