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nvd[email protected]NVD:CVE-2022-23085
HistoryFeb 15, 2024 - 5:15 a.m.

CVE-2022-23085

2024-02-1505:15:09
CWE-120
web.nvd.nist.gov
4
vulnerability
netmap
bounds checking
kernel memory corruption
devfs_ruleset
privileged process
jail

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

6.1

Confidence

Low

EPSS

0.001

Percentile

16.2%

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.

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

6.1

Confidence

Low

EPSS

0.001

Percentile

16.2%