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HIGH · 7.5

CVE-2022-36946

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-...

Vulnerability 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 Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
LinuxLinux Kernel>= 2.6.14, < 4.9.326
DebianDebian Linux10.0
NetappActive Iq Unified Manager-
NetappSolidfire \& Hci Management Node-
NetappSolidfire \& Hci Storage Node-
NetappSolidfire Enterprise Sds-
NetappHci Compute Node-

References

FAQ

What is CVE-2022-36946?

CVE-2022-36946 is a vulnerability with a CVSS score of 7.5 (HIGH). 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-...

How severe is CVE-2022-36946?

CVE-2022-36946 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2022-36946?

Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Debian Debian Linux, Netapp Active Iq Unified Manager, Netapp Solidfire \& Hci Management Node, Netapp Solidfire \& Hci Storage Node.