CVE-2023-6534

Summary

In versions of FreeBSD 14.0-RELEASE before 14-RELEASE-p2, FreeBSD 13.2-RELEASE before 13.2-RELEASE-p7 and FreeBSD 12.4-RELEASE before 12.4-RELEASE-p9, the pf(4) packet filter incorrectly validates TCP sequence numbers.  This could allow a malicious actor to execute a denial-of-service attack against hosts behind the firewall.

Affected Software

VendorProductVersion RangeStatus
FreeBSDFreeBSD14.0-RELEASE < p2affected
FreeBSDFreeBSD13.2-RELEASE < p7affected
FreeBSDFreeBSD12.4-RELEASE < p9affected

Weaknesses

ADP Enrichment

CVE Program Container

Additional References

References