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. 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?

No patch is currently available for CVE-2022-36946. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2022-36946 actively exploited?

CVE-2022-36946 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

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

The following references provide additional information about CVE-2022-36946 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Debian Security
https://lists.debian.org/debian-lts-announce/2022/09/msg00011.html

Mailing List Third Party Advisory
Debian Security
https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html

Mailing List Third Party Advisory
Security
https://security.netapp.com/advisory/ntap-20220901-0007/

Third Party Advisory
Debian Security
https://www.debian.org/security/2022/dsa-5207

Third Party Advisory
Kernel patch commit
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=99a63d36cb3ed5ca3aa6fcb64cffbeaf3b0fb164
Patch
Kernel patch commit
https://marc.info/?l=netfilter-devel&m=165883202007292&w=2
Patch

Details

CVE ID CVE-2022-36946

Severity High

CVSS score 7.5 / 10

CVSS version 3.1

Published 2022-07-27

Modified 2025-05-05

KEV No

Patch Awaiting data

Package linux

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?

No patch is currently available for CVE-2022-36946. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
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.