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nvd[email protected]NVD:CVE-2023-1195
HistoryMay 18, 2023 - 10:15 p.m.

CVE-2023-1195

2023-05-1822:15:09
CWE-416
web.nvd.nist.gov
use-after-free
reconn_set_ipaddr_from_hostname
linux kernel
invalid pointer request

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%

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

NVD
Node
linuxlinux_kernelRange<6.1
OR
linuxlinux_kernelMatch6.1rc1
OR
linuxlinux_kernelMatch6.1rc2

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%