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CVE-2022-36946

Published: Jul 27, 2022Updated: May 5, 2025 Sources: CVE List NVD BDU csafNVD-CWE-noinfo
NVD MITRE
7.5CVSSHIGH
EPSS Score
5.6%
Top 8.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

NVD-CWE-noinfo

Affected Products

n/an/a
linux kernellinux
On-premOS
Operating Systems
debian linuxdebian
On-premOS
Operating Systems / linux-distro
active iq unified managernetappHardware Firmware
solidfire \& hci management nodenetappHardware Firmware
linuxoss-projectOperating Systemsaka the linux kernel
debianoss-projectGBOperating Systemsaka debian gnu/linux
netappcommercialUSHardware Firmware
and 8 more affected products View all →

Exploitability

Official Patch Available

References

https://marc.info/?l=netfilter-devel&m=165883202007292&w=2
marc.info
https://www.debian.org/security/2022/dsa-5207
debian.org
https://security.netapp.com/advisory/ntap-20220901-0007/
security.netapp.com
and 65 more references View all →

Timeline

Published
Jul 27, 2022
Last Updated
May 5, 2025

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