CVE-2020-7451

Medium

Description

In FreeBSD 12.1-STABLE before r358739, 12.1-RELEASE before 12.1-RELEASE-p3, 11.3-STABLE before r358740, and 11.3-RELEASE before 11.3-RELEASE-p7, a TCP SYN-ACK or challenge TCP-ACK segment over IPv6 that is transmitted or retransmitted does not properly initialize the Traffic Class field disclosing one byte of kernel memory over the network.

SeverityMedium
CVSS5.3
Exploit probability—
ProductFreebsd
PublishedApr 28, 2020
First seenApr 28, 2020

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
freebsd freebsd11.3, 12.1—

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