Vulnerability Description
The total size of the user-provided nmreq to nmreq_copyin() was first computed and then trusted during the copyin. This time-of-check to time-of-use bug could lead to kernel memory corruption. On systems configured to include netmap in their devfs_ruleset, a privileged process running in a jail can affect the host environment.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Freebsd | Freebsd | >= 12.0, < 12.3 |
Related Weaknesses (CWE)
References
- https://security.freebsd.org/advisories/FreeBSD-SA-22:04.netmap.ascVendor Advisory
- https://security.netapp.com/advisory/ntap-20240419-0003/Third Party Advisory
- https://security.freebsd.org/advisories/FreeBSD-SA-22:04.netmap.ascVendor Advisory
- https://security.netapp.com/advisory/ntap-20240419-0003/Third Party Advisory
FAQ
What is CVE-2022-23084?
CVE-2022-23084 is a vulnerability with a CVSS score of 7.5 (HIGH). The total size of the user-provided nmreq to nmreq_copyin() was first computed and then trusted during the copyin. This time-of-check to time-of-use bug could lead to kernel memory corruption. On sy...
How severe is CVE-2022-23084?
CVE-2022-23084 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-23084?
Check the references section above for vendor advisories and patch information. Affected products include: Freebsd Freebsd.