Security Advisory

CVE-2020-7451

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2020-04-28 19:11:42

Last updated 2024-08-04 09:25:48

Assigner freebsd

State PUBLISHED

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.

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