CVE-2026-72243
selinux: check connect-related permissions on TCP Fast Open
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Aug 15, 2026 |
Stay Ahead of the Next One
Get instant alerts for linux linux
Be the first to know when new unknown vulnerabilities affecting linux linux are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
Affected Versions
Linux / Linux
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 11406d0d7e11b4e525bb2ace2c70107031d058da 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < e507633bf76bccf1a6af27771fb0d6e2862b7eac 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < d028bc080a0dcd6a7f8e1ae1bd32dda696505ba3 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < fc633a598206d4f23af782db7c0b5f3a82751d2c 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 646ebbc5f2ff9147d084e1213143f091026a611c 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 44c74d27d1b9aaa99fa8a83640c1223575262b80 0 < 6.1.178 0 < 6.6.145 0 < 6.12.97 0 < 6.18.40 0 < 7.1.5
Linux / Linux
All versions affected References
git.kernel.org: https://git.kernel.org/stable/c/11406d0d7e11b4e525bb2ace2c70107031d058da git.kernel.org: https://git.kernel.org/stable/c/e507633bf76bccf1a6af27771fb0d6e2862b7eac git.kernel.org: https://git.kernel.org/stable/c/d028bc080a0dcd6a7f8e1ae1bd32dda696505ba3 git.kernel.org: https://git.kernel.org/stable/c/fc633a598206d4f23af782db7c0b5f3a82751d2c git.kernel.org: https://git.kernel.org/stable/c/646ebbc5f2ff9147d084e1213143f091026a611c git.kernel.org: https://git.kernel.org/stable/c/44c74d27d1b9aaa99fa8a83640c1223575262b80