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cnvdChina National Vulnerability DatabaseCNVD-2022-07634
HistoryJan 28, 2022 - 12:00 a.m.

Linux kernel buffer overflow vulnerability (CNVD-2022-07634)

2022-01-2800:00:00
China National Vulnerability Database
www.cnvd.org.cn
12

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.2 High

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

Linux kernel is the kernel used by the Linux Foundationโ€™s open source operating system Linux. Linux kernel is vulnerable to a buffer error that originates from a double-release error in the packet_set_ring() function in net/packet/af_packet.c. A local attacker could exploit this vulnerability to through a crafted system call exploit to elevate privileges or deny service.

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.2 High

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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