Vulnerability in 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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.003 (24.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 24.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
Public proof-of-concept exploits
References
- git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit (Patch, Mailing List, Third Party Advisory)
- github.com/torvalds/linux/commit/f85daf0e725358be78dfd208dea5fd665d8cb901 (Patch, Third Party Advisory)
- www.debian.org/security/2022/dsa-5207 (vendor-advisory, Third Party Advisory)
- security.netapp.com/advisory/ntap-20220901-0007/ (Third Party Advisory)
- lists.debian.org/debian-lts-announce/2022/09/msg00011.html (mailing-list, Mailing List, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2022/10/msg00000.html (mailing-list, Mailing List, Third Party Advisory)
- 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
- 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
Frequently asked questions
- What is CVE-2022-36879?
- CVE-2022-36879 is a medium-severity vulnerability in 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.