CVE-2022-36879
MEDIUMCVSS 5.5/10EPSS 0.30%
Last modified
CVE-2022-36879 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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 estimates a 0.30% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 5.18.14 |
| Debian | Debian Linux | 10.0 |
| Debian | Debian Linux | 11.0 |
| Netapp | A700s Firmware | All versions |
| Netapp | Active Iq Unified Manager | All versions |
| Netapp | E-Series Santricity Os Controller | >= 11.0, <= 11.50.2 |
| Netapp | Hci Bootstrap Os | All versions |
| Netapp | Aff 8300 Firmware | All versions |
| Netapp | Fas 8300 Firmware | All versions |
| Netapp | Aff 8700 Firmware | All versions |
| Netapp | Fas 8700 Firmware | All versions |
| Netapp | Aff A400 Firmware | All versions |
| Netapp | Fas A400 Firmware | All versions |
| Netapp | Aff A250 Firmware | All versions |
| Netapp | Fas A250 Firmware | All versions |
| Netapp | Fas 500f Firmware | All versions |
| Netapp | Aff 500f Firmware | All versions |
| Netapp | H300s Firmware | All versions |
| Netapp | H500s Firmware | All versions |
| Netapp | H700s Firmware | All versions |
| Netapp | H410s Firmware | All versions |
| Netapp | H410c Firmware | All versions |
| Netapp | H610c Firmware | All versions |
| Netapp | H610s Firmware | All versions |
| Netapp | H615c Firmware | All versions |
References
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=f85daf0e725358be78dfd208dea5fd665d8cb901Mailing List, Patch, Third Party Advisory
- https://github.com/torvalds/linux/commit/f85daf0e725358be78dfd208dea5fd665d8cb901Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/09/msg00011.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/10/msg00000.htmlMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220901-0007/Third Party Advisory
- https://www.debian.org/security/2022/dsa-5207Third Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=f85daf0e725358be78dfd208dea5fd665d8cb901Mailing List, Patch, Third Party Advisory
- https://github.com/torvalds/linux/commit/f85daf0e725358be78dfd208dea5fd665d8cb901Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/09/msg00011.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/10/msg00000.htmlMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220901-0007/Third Party Advisory
- https://www.debian.org/security/2022/dsa-5207Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2022-36879?
CVE-2022-36879 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.30% probability of exploitation in the next 30 days.
How do I fix CVE-2022-36879?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2022-36879?
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Scan your code nowSource: NVD / NIST