7.8

CVE-2022-23084

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.

Data is provided by the National Vulnerability Database (NVD)
Freebsd ≫ Freebsd Version >= 12.0 < 12.3
Freebsd ≫ Freebsd Version12.3 Update-
Freebsd ≫ Freebsd Version12.3 Updatep1
Freebsd ≫ Freebsd Version12.3 Updatep2
Freebsd ≫ Freebsd Version12.3 Updatep3
Freebsd ≫ Freebsd Version12.3 Updatep4
Freebsd ≫ Freebsd Version13.0 Update-
Freebsd ≫ Freebsd Version13.0 Updatebeta1
Freebsd ≫ Freebsd Version13.0 Updatebeta2
Freebsd ≫ Freebsd Version13.0 Updatebeta3
Freebsd ≫ Freebsd Version13.0 Updatebeta3-p1
Freebsd ≫ Freebsd Version13.0 Updatebeta4
Freebsd ≫ Freebsd Version13.0 Updatep1
Freebsd ≫ Freebsd Version13.0 Updatep10
Freebsd ≫ Freebsd Version13.0 Updatep2
Freebsd ≫ Freebsd Version13.0 Updatep3
Freebsd ≫ Freebsd Version13.0 Updatep4
Freebsd ≫ Freebsd Version13.0 Updatep5
Freebsd ≫ Freebsd Version13.0 Updatep6
Freebsd ≫ Freebsd Version13.0 Updatep7
Freebsd ≫ Freebsd Version13.0 Updatep8
Freebsd ≫ Freebsd Version13.0 Updatep9
Freebsd ≫ Freebsd Version13.0 Updaterc1
Freebsd ≫ Freebsd Version13.0 Updaterc2
Freebsd ≫ Freebsd Version13.0 Updaterc3
Freebsd ≫ Freebsd Version13.0 Updaterc4
Freebsd ≫ Freebsd Version13.0 Updaterc5
Freebsd ≫ Freebsd Version13.0 Updaterc5-p1
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.04% 0.132
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 7.5 0.8 6
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
134c704f-9b21-4f2e-91b3-4a467353bcc0 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition

The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check. This can cause the product to perform invalid actions when the resource is in an unexpected state.