Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 5.8.2 |
| Debian | Debian Linux | 9.0 |
| Opensuse | Leap | 15.1 |
| Canonical | Ubuntu Linux | 14.04 |
Related Weaknesses (CWE)
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 ListThird Party Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.2PatchRelease NotesVendor Advisory
- https://github.com/torvalds/linux/commit/26896f01467a28651f7a536143fe5ac8449d404PatchThird 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 ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/10/msg00034.htmlMailing ListThird Party Advisory
- https://usn.ubuntu.com/4578-1/PatchThird 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 ListThird Party Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.2PatchRelease NotesVendor Advisory
- https://github.com/torvalds/linux/commit/26896f01467a28651f7a536143fe5ac8449d404PatchThird 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 ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/10/msg00034.htmlMailing ListThird Party Advisory
FAQ
What is CVE-2020-26088?
CVE-2020-26088 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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-...
How severe is CVE-2020-26088?
CVE-2020-26088 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-26088?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Debian Debian Linux, Opensuse Leap, Canonical Ubuntu Linux.