Home/CVE/An issue was discovered in the Linux kernel through 5.18.14. xfrm_expand_policies in net/xfrm/xfrm_policy.c can cause a
CVE

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

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.

MEDIUM · CVSS 5.5 EPSS 0.00036
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
▤

Affected Products & Versions

24
linux kernel<= 5.18.14
debian linuxall versions
netapp a700s firmwareall versions
netapp active iq unified managerall versions
netapp e-series santricity os controller>= 11.0 and <= 11.50.2
netapp hci bootstrap osall versions
netapp aff 8300 firmwareall versions
netapp fas 8300 firmwareall versions
▣

Scoring & Timeline

5.5
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD27 Jul 2022 · 04:15 AM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

30
rhsaRHSA-2023:2458Moderate
rhsaRHSA-2023:2951Moderate
rhsaRHSA-2023:5627Moderate
rhsaRHSA-2024:0431Moderate
rhsaRHSA-2024:0432Moderate
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=f85daf0e725358be78dfd208dea5fd665d8cb901Mailing ListPatchThird Party Advisory
https://github.com/torvalds/linux/commit/f85daf0e725358be78dfd208dea5fd665d8cb901PatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2022/09/msg00011.htmlMailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2022/10/msg00000.htmlMailing ListThird Party Advisory
https://security.netapp.com/advisory/ntap-20220901-0007/Third Party Advisory
https://www.debian.org/security/2022/dsa-5207Third Party Advisory
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