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cnvdChina National Vulnerability DatabaseCNVD-2023-56648
HistoryJun 21, 2023 - 12:00 a.m.

Linux kernel buffer overflow vulnerability (CNVD-2023-56648)

2023-06-2100:00:00
China National Vulnerability Database
www.cnvd.org.cn
11

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

3.2 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:L/AC:L/Au:S/C:P/I:N/A:P

0.0004 Low

EPSS

Percentile

5.7%

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. The Linux kernel suffers from a buffer overflow vulnerability that originates from an out-of-bounds memory access in relay_file_read_start_pos. A local attacker could exploit this vulnerability to crash the system or disclose internal kernel information.

CPENameOperatorVersion
linux linux kernellt6.4

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

3.2 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:L/AC:L/Au:S/C:P/I:N/A:P

0.0004 Low

EPSS

Percentile

5.7%