CVE-2020-7451
Summary
| CVE | CVE-2020-7451 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2020-04-28 20:15:00 UTC |
| Updated | 2021-07-21 11:39:00 UTC |
| 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. |
Risk And Classification
Problem Types: CWE-908
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Freebsd | Freebsd | 11.3 | - | All | All |
| Operating System | Freebsd | Freebsd | 11.3 | p1 | All | All |
| Operating System | Freebsd | Freebsd | 11.3 | p2 | All | All |
| Operating System | Freebsd | Freebsd | 11.3 | p3 | All | All |
| Operating System | Freebsd | Freebsd | 11.3 | p4 | All | All |
| Operating System | Freebsd | Freebsd | 11.3 | p5 | All | All |
| Operating System | Freebsd | Freebsd | 11.3 | p6 | All | All |
| Operating System | Freebsd | Freebsd | 12.1 | - | All | All |
| Operating System | Freebsd | Freebsd | 12.1 | p1 | All | All |
| Operating System | Freebsd | Freebsd | 12.1 | p2 | All | All |
| Operating System | Freebsd | Freebsd | 11.3 | - | All | All |
| Operating System | Freebsd | Freebsd | 11.3 | p1 | All | All |
| Operating System | Freebsd | Freebsd | 11.3 | p2 | All | All |
| Operating System | Freebsd | Freebsd | 11.3 | p3 | All | All |
| Operating System | Freebsd | Freebsd | 11.3 | p4 | All | All |
| Operating System | Freebsd | Freebsd | 11.3 | p5 | All | All |
| Operating System | Freebsd | Freebsd | 11.3 | p6 | All | All |
| Operating System | Freebsd | Freebsd | 12.1 | - | All | All |
| Operating System | Freebsd | Freebsd | 12.1 | p1 | All | All |
| Operating System | Freebsd | Freebsd | 12.1 | p2 | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| security.FreeBSD.org/advisories/FreeBSD-SA-20:04.tcp.asc | CONFIRM | security.FreeBSD.org | Patch, Vendor Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.