CVSS 3.1
8.2 highCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:HCVE-2022-23085
High (8.2) in freebsd freebsd. EPSS 0.5% chance of exploitation in the next 30 days.
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.
Severity
- EPSS
- 0.5% chance of exploitation in the next 30 days; higher than 42% of CVEs (scores of 2026-10-31)
- CWEs
- CWE-787, CWE-120
- Published
- Modified
- Record from
- the NVD, synced
Affected
- freebsd:freebsd