CVE-2022-36946

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-byte nfta_payload attribute, an skb_pull can encounter a negative skb->len.

Package Linux Kernel
Published 2022-07-27
Last modified 2025-05-05
CVSS version 3.1
Patch available
Awaiting data

CVSS 3.1 score

7.5

out of 10
High
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
High
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

6 total
Showing 5 of 6 references View all on NVD

Frequently asked questions

  • What is CVE-2022-36946?

    CVE-2022-36946 is a High severity Linux kernel vulnerability with a CVSS score of 7.5 out of 10 . CVE-2022-36946 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2022-36946?

    CVE-2022-36946 has a CVSS score of 7.5 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H .

  • Is there a patch available for CVE-2022-36946?

    Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2022-36946 patch availability.

  • Is CVE-2022-36946 actively exploited?

    No. CVE-2022-36946 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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