CVE-2022-23084
Last modified
CVE-2022-23084 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 0.24% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Freebsd | Freebsd | >= 12.0, < 12.3 |
| Freebsd | Freebsd | 12.3 |
| Freebsd | Freebsd | 13.0 |
References
- https://security.netapp.com/advisory/ntap-20240419-0003/Third Party Advisory
- https://security.netapp.com/advisory/ntap-20240419-0003/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
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- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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