IM
IronMonkey Threat Research

CVE-2022-36946 HIGH

Published: 2022-07-27 | Last Modified: 2025-05-05 | Status: Modified

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.

Additional Descriptions (1)

La función nfqnl_mangle en el archivo net/netfilter/nfnetlink_queue.c en el kernel de Linux versiones hasta 5.18.14, permite a atacantes remotos causar una denegación de servicio (pánico) porque, en el caso de un veredicto nf_queue con un atributo nfta_payload de un byte, un skb_pull puede encontrar un skb-)len negativo

CVSS Metrics

Base Score: 7.5 (HIGH)

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

Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionNONE
ScopeUNCHANGED
Confidentiality ImpactNONE
Integrity ImpactNONE
Availability ImpactHIGH

Source: [email protected]

Type: Primary

Exploitability Score: 3.9

Impact Score: 3.6

Weaknesses

Source Type Description
[email protected] Primary
en NVD-CWE-noinfo

Affected Products

Vendor Product Version Update Type
linux linux_kernel * <built-in method update of dict object at 0x7fd341efa400> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd341efa280> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd370267a00> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd3840e5b00> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd341efa940> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd341efa140> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd3840e4300> Operating System
debian debian_linux 10.0 <built-in method update of dict object at 0x7fd3703a1180> Operating System
debian debian_linux 11.0 <built-in method update of dict object at 0x7fd3840e5d80> Operating System
netapp active_iq_unified_manager - <built-in method update of dict object at 0x7fd341ef8640> Application
netapp solidfire_\&_hci_management_node - <built-in method update of dict object at 0x7fd39c4e4fc0> Application
netapp solidfire_\&_hci_storage_node - <built-in method update of dict object at 0x7fd3840e5840> Application
netapp solidfire_enterprise_sds - <built-in method update of dict object at 0x7fd3703a1c40> Application
netapp hci_compute_node - <built-in method update of dict object at 0x7fd3840e6b80> Hardware

Affected Configurations

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
Yes cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
Yes cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:*
Yes cpe:2.3:a:netapp:solidfire_\&_hci_management_node:-:*:*:*:*:*:*:*
Yes cpe:2.3:a:netapp:solidfire_\&_hci_storage_node:-:*:*:*:*:*:*:*
Yes cpe:2.3:a:netapp:solidfire_enterprise_sds:-:*:*:*:*:*:*:*
Yes cpe:2.3:h:netapp:hci_compute_node:-:*:*:*:*:*:*:*

References