High severity · published Feb 15, 2024
CVE-2022-23084
The total size of the user-provided nmreq to nmreq_copyin() was first computed and then trusted during the copyin
7.5
CVSS
0.2%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Attack vector
Local
Complexity
High
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 15% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FR
Freebsd · Freebsd
12.0 before 12.3; 12.3; 12.3; 12.3; 12.3; 12.3; +22 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-23084
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-23084
Vendor Advisory
https://security.freebsd.org/advisories/FreeBSD-SA-22:04.netmap.asc
Third Party Advisory
https://security.netapp.com/advisory/ntap-20240419-0003/
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