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CVE-2022-23085

Date: February 14, 2024

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.

Language: C

Severity Score

Related Resources (4)

https://security.netapp.com/advisory/ntap-20240322-0004/
https://security.freebsd.org/advisories/FreeBSD-SA-22:04.netmap.asc
https://nvd.nist.gov/vuln/detail/CVE-2022-23085
https://www.mend.io/vulnerability-database/CVE-2022-23085

Severity Score

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CWE-120

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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