CVE-2026-72243

In the Linux kernel, the following vulnerability has been resolved: selinux: check connect-related permissions on TCP Fast Open Similar to Landlock, SELinux was not updated when TCP Fast Open support was introduced to ensure connect-related permissions are checked when using TCP Fast Open. Update its socket_sendmsg() hook to call selinux_socket_connect() when MSG_FASTOPEN is passed.

CVSS v3 8.4 HIGH

8.4^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.0 / Impact : 5.8

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://git.kernel.org/stable/c/11406d0d7e11b4e525bb2ace2c70107031d058da
https://git.kernel.org/stable/c/44c74d27d1b9aaa99fa8a83640c1223575262b80
https://git.kernel.org/stable/c/646ebbc5f2ff9147d084e1213143f091026a611c
https://git.kernel.org/stable/c/d028bc080a0dcd6a7f8e1ae1bd32dda696505ba3
https://git.kernel.org/stable/c/e507633bf76bccf1a6af27771fb0d6e2862b7eac
https://git.kernel.org/stable/c/fc633a598206d4f23af782db7c0b5f3a82751d2c

Configurations

No configuration.

History

No history.

Information

Published : 2026-08-15 06:21

Updated : 2026-08-18 07:16

NVD link : CVE-2026-72243

Mitre link : CVE-2026-72243

CVE.ORG link : CVE-2026-72243

JSON object : View

Products Affected

No product.

CWE

No CWE.

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