Vulnerability in Linux Linux_kernel

CVE-2022-36879

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.

EPSS: 0.003 (21.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Public proof-of-concept exploits

ARPSyndicate/cvemon

References

cve@mitre.org (Patch, Mailing List, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)
cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2022-36879?: CVE-2022-36879 is a medium-severity vulnerability in Linux Linux_kernel. CVSS score: 5.5/10. Published 2022-07-27.
How severe is CVE-2022-36879?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2022-36879 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.