CVE-2023-1195

2023-05-1822:15:09

CWE-416

[email protected]

web.nvd.nist.gov

cve-2023-1195

use-after-free

reconn_set_ipaddr_from_hostname

fs/cifs/connect.c

linux kernel

nvd

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

6.4 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

9.1%

JSON

A use-after-free flaw was found in reconn_set_ipaddr_from_hostname in fs/cifs/connect.c in the Linux kernel. The issue occurs when it forgets to set the free pointer server->hostname to NULL, leading to an invalid pointer request.

Affected configurations

Vulners

NVD

Node

linuxlinux_kernelRange≤6.1

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": "prior to kernel 6.1 rc3",
        "status": "affected"
      }
    ]
  }
]