CVE-2020-7457: Race Condition

Published Jul 9, 2020

Updated

In FreeBSD 12.1-STABLE before r359565, 12.1-RELEASE before p7, 11.4-STABLE before r362975, 11.4-RELEASE before p1, and 11.3-RELEASE before p11, missing synchronization in the IPV62292PKTOPTIONS socket option set handler contained a race condition allowing a malicious application to modify memory after being freed, possibly resulting in code execution.

Affected Software

21 affected components

FreeBSD FreeBSD=11.3

FreeBSD FreeBSD=11.3-p1

FreeBSD FreeBSD=11.3-p10

FreeBSD FreeBSD=11.3-p2

FreeBSD FreeBSD=11.3-p3

FreeBSD FreeBSD=11.3-p4

FreeBSD FreeBSD=11.3-p5

FreeBSD FreeBSD=11.3-p6

FreeBSD FreeBSD=11.3-p7

FreeBSD FreeBSD=11.3-p8

FreeBSD FreeBSD=11.3-p9

FreeBSD FreeBSD=11.4

FreeBSD FreeBSD=11.4-beta1

FreeBSD FreeBSD=11.4-rc2

FreeBSD FreeBSD=12.1

FreeBSD FreeBSD=12.1-p1

FreeBSD FreeBSD=12.1-p2

FreeBSD FreeBSD=12.1-p3

FreeBSD FreeBSD=12.1-p4

FreeBSD FreeBSD=12.1-p5

FreeBSD FreeBSD=12.1-p6

Remediation

Patch Available

https://security.FreeBSD.org/advisories/FreeBSD-SA-20:20.ipv6.asc

Event History

Jul 9, 2020

CVE Published

via MITRE·01:46 PM

Data Sourced

via MITRE·01:46 PM

DescriptionWeakness

Frequently Asked Questions

What is CVE-2020-7457?

CVE-2020-7457 is a vulnerability in FreeBSD that allows a malicious application to modify memory.

What is the severity of CVE-2020-7457?

The severity of CVE-2020-7457 is high with a CVSS score of 8.1.

How does CVE-2020-7457 impact FreeBSD?

CVE-2020-7457 impacts FreeBSD by allowing a malicious application to modify memory.

How can I fix CVE-2020-7457?

To fix CVE-2020-7457, it is recommended to apply the patches provided by FreeBSD.

Where can I find more information about CVE-2020-7457?

You can find more information about CVE-2020-7457 on the FreeBSD Security Advisories website and the NetApp Security Advisory website.