Home/CVE/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 b
CVE

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 b

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.

MEDIUM · CVSS 5.5 EPSS 0.00013
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-276Incorrect Default Permissions
▤

Affected Products & Versions

4
linux kernel< 5.8.2
debian linuxall versions
opensuse leapall versions
canonical ubuntu linuxall 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 NVD24 Sep 2020 · 03:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
⚑

Vendor Advisories

17
suse-csafopenSUSE-SU-2021:0242-1
suse-csafSUSE-SU-2020:3532-1
suse-csafSUSE-SU-2020:3544-1
suse-csafSUSE-SU-2020:3501-1
suse-csafSUSE-SU-2020:3503-1
🔗

References & Sources

8
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
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/26896f01467a28651f7a536143fe5ac8449d4041PatchThird 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
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