CVE-2020-26088
MEDIUMCVSS 5.5/10EPSS 0.40%
Last modified
CVE-2020-26088 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. A missing CAP_NET_RAW check in NFC socket creation in net/nfc/rawsock.c in the Linux kernel before 5.8.2 could be used by local attackers to create raw sockets, bypassing security mechanisms, aka CID-26896f01467a.. EPSS estimates a 0.40% chance of exploitation in the next 30 days.
Description
A missing CAP_NET_RAW check in NFC socket creation in net/nfc/rawsock.c in the Linux kernel before 5.8.2 could be used by local attackers to create raw sockets, bypassing security mechanisms, aka CID-26896f01467a.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 5.8.2 |
| Debian | Debian Linux | 9.0 |
| Opensuse | Leap | 15.1 |
| Opensuse | Leap | 15.2 |
| Canonical | Ubuntu Linux | 14.04 |
| Canonical | Ubuntu Linux | 16.04 |
| Canonical | Ubuntu Linux | 18.04 |
References
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00001.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.htmlMailing List, Third Party Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.2Patch, Release Notes, Vendor Advisory
- https://github.com/torvalds/linux/commit/26896f01467a28651f7a536143fe5ac8449d4041Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/09/msg00025.htmlThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/10/msg00032.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/10/msg00034.htmlMailing List, Third Party Advisory
- https://usn.ubuntu.com/4578-1/Patch, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00001.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.htmlMailing List, Third Party Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.2Patch, Release Notes, Vendor Advisory
- https://github.com/torvalds/linux/commit/26896f01467a28651f7a536143fe5ac8449d4041Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/09/msg00025.htmlThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/10/msg00032.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/10/msg00034.htmlMailing List, Third Party Advisory
- https://usn.ubuntu.com/4578-1/Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-26088?
A missing CAP_NET_RAW check in NFC socket creation in net/nfc/rawsock.c in the Linux kernel before 5.8.2 could be used by local attackers to create raw sockets, bypassing security mechanisms, aka CID-26896f01467a.
How severe is CVE-2020-26088?
CVE-2020-26088 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.40% probability of exploitation in the next 30 days.
How do I fix CVE-2020-26088?
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-2020-26088?
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