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CVE-2020-7451
Published: Apr 28, 2020
Modified: Aug 4, 2024
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.
| Vendor | Product | Versions |
|---|---|---|
n/a | FreeBSD | affected 12.1-STABLE before r358739, 12.1-RELEASE before 12.1-RELEASE-p3, 11.3-STABLE before r358740, 11.3-RELEASE before 11.3-RELEASE-p7 |
References
https://security.FreeBSD.org/advisories/FreeBSD-SA-20:04.tcp.asc
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