Lucene search

[email protected]CVE-2023-1838

HistoryApr 05, 2023 - 7:15 p.m.

CVE-2023-1838

2023-04-0519:15:07

CWE-416

[email protected]

web.nvd.nist.gov

cve-2023-1838

use-after-free

vhost_net_set_backend

drivers

vhost

net.c

virtio network

linux kernel

local attacker

system crash

kernel information leak

nvd

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

6.4 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

JSON

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

Vulners

NVD

Node

linuxlinux_kernelRange≤5.18

VendorProductVersionCPE
linuxlinux_kernel*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
linux	linux_kernel	*	cpe:2.3:o:linux:linux_kernel::::::::

CNA Affected

[
  {
    "vendor": "n/a",
    "product": "Kernel",
    "versions": [
      {
        "version": "Linux Kernel prior to kernel 5.18 25",
        "status": "affected"
      }
    ]
  }
]