CVE-2022-23085

Summary

A user-provided integer option was passed to nmreq_copyin() without checking if it would overflow. This insufficient bounds checking 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.

Affected Software

VendorProductVersion RangeStatus
FreeBSDFreeBSD13.1-RC1 < p1affected
FreeBSDFreeBSD13.0-RELEASE < p11affected
FreeBSDFreeBSD12.3-RELEASE < p5affected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: total

CVE Program Container

Additional References

References