CVE-2022-36946

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

27/07/2022

Last modified:

05/05/2025

Description

nfqnl_mangle in net/netfilter/nfnetlink_queue.c in the Linux kernel through 5.18.14 allows remote attackers to cause a denial of service (panic) because, in the case of an nf_queue verdict with a one-byte nfta_payload attribute, an skb_pull can encounter a negative skb->len.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x

7.50

Severity 3.x

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:linux:linux_kernel::::::::	2.6.14 (including)	4.9.326 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	4.10 (including)	4.14.291 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	4.15 (including)	4.19.255 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	4.20 (including)	5.4.209 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.5 (including)	5.10.135 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.11 (including)	5.15.59 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.16 (including)	5.18.16 (excluding)
cpe:2.3:o:debian:debian_linux:10.0:::::::*
cpe:2.3:o:debian:debian_linux:11.0:::::::*
cpe:2.3:a:netapp:active_iq_unified_manager:-:::::vmware_vsphere::
cpe:2.3:a:netapp:solidfire_\&_hci_management_node:-:::::::*
cpe:2.3:a:netapp:solidfire_\&_hci_storage_node:-:::::::*
cpe:2.3:a:netapp:solidfire_enterprise_sds:-:::::::*
cpe:2.3:h:netapp:hci_compute_node:-:::::::*

To consult the complete list of CPE names with products and versions, see this page

CVE-2022-36946

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools