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nvd[email protected]NVD:CVE-2023-1838
HistoryApr 05, 2023 - 7:15 p.m.

CVE-2023-1838

2023-04-0519:15:07
CWE-416
web.nvd.nist.gov
1
cve-2023-1838
vhost_net_set_backend
double fget
local attacker
crash
kernel information leak

7.1 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

6.5 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

A use-after-free flaw was found in vhost_net_set_backend in drivers/vhost/net.c in virtio network subcomponent in the Linux kernel due to a double fget. This flaw could allow a local attacker to crash the system, and could even lead to a kernel information leak problem.

Affected configurations

NVD
Node
linuxlinux_kernelRange4.134.14.317
OR
linuxlinux_kernelRange4.154.19.245
OR
linuxlinux_kernelRange4.205.4.196
OR
linuxlinux_kernelRange5.55.10.118
OR
linuxlinux_kernelRange5.115.15.42
OR
linuxlinux_kernelRange5.165.17.10
Node
netapph300sMatch-
OR
netapph410cMatch-
OR
netapph410sMatch-
OR
netapph500sMatch-
OR
netapph700sMatch-

7.1 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

6.5 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%