CVE-2020-10773 — MEDIUM (4.4)

Vulnerability 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.

CVSS Score

4.4

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Linux	Linux Kernel	5.4.0

Related Weaknesses (CWE)

CWE-626

References

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10773Issue TrackingThird Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b8PatchVendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10773Issue TrackingThird Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b8PatchVendor Advisory

FAQ

What is CVE-2020-10773?

CVE-2020-10773 is a vulnerability with a CVSS score of 4.4 (MEDIUM). 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 use...

How severe is CVE-2020-10773?

CVE-2020-10773 has been rated MEDIUM with a CVSS base score of 4.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-10773?

Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.