What is CVE-2022-36879?

CVE-2022-36879 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10. CVE-2022-36879 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-36879?

CVE-2022-36879 has a CVSS score of 5.5 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2022-36879?

No patch is currently available for CVE-2022-36879. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2022-36879 actively exploited?

CVE-2022-36879 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2022-36879

Medium

An issue was discovered in the Linux kernel through 5.18.14. xfrm_expand_policies in net/xfrm/xfrm_policy.c can cause a refcount to be dropped twice.

Package Linux Kernel

Published 2022-07-27

Last modified 2025-05-05

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

5.5

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Vector string

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

References

The following references provide additional information about CVE-2022-36879 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/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=f85daf0e725358be78dfd208dea5fd665d8cb901
Patch
Kernel patch commit
https://github.com/torvalds/linux/commit/f85daf0e725358be78dfd208dea5fd665d8cb901
Patch

Details

CVE ID CVE-2022-36879

Severity Medium

CVSS score 5.5 / 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-2022-36879?

CVE-2022-36879 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . CVE-2022-36879 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-36879?

CVE-2022-36879 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2022-36879?

No patch is currently available for CVE-2022-36879. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2022-36879 actively exploited?

No — CVE-2022-36879 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.