In FreeBSD 12.1-STABLE before r358739, 12.1-RELEASE prior to 12.1-RELEASE-p3, 11.3-STABLE before r358740, and 11.3-RELEASE prior to 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.
| Vulnerable Product | Search on Vulmon | Subscribe to Product |
|---|---|---|
freebsd freebsd 11.3 |
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freebsd freebsd 12.1 |
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