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kernel: tcp: fix potential race in tcp_v6_syn_recv_sock()

🗓️ 06 Jul 2026 04:59:51Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 18 Views

Fix race in tcp_v6_syn_recv_sock() where child socket appears before IPv6 init, risking DoS.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8.8ppc64lebpftool4.18.0-477.150.1.el8_8bpftool-4.18.0-477.150.1.el8_8.ppc64le.rpm
Red Hat Enterprise Linux8.8x86_64bpftool4.18.0-477.150.1.el8_8bpftool-4.18.0-477.150.1.el8_8.x86_64.rpm
Red Hat Enterprise Linux8.8ppc64lebpftool-debuginfo4.18.0-477.150.1.el8_8bpftool-debuginfo-4.18.0-477.150.1.el8_8.ppc64le.rpm
Red Hat Enterprise Linux8.8x86_64bpftool-debuginfo4.18.0-477.150.1.el8_8bpftool-debuginfo-4.18.0-477.150.1.el8_8.x86_64.rpm
Red Hat Enterprise Linux8.8ppc64lekernel4.18.0-477.150.1.el8_8kernel-4.18.0-477.150.1.el8_8.ppc64le.rpm
Red Hat Enterprise Linux8.8x86_64kernel4.18.0-477.150.1.el8_8kernel-4.18.0-477.150.1.el8_8.x86_64.rpm
Red Hat Enterprise Linux8.8noarchkernel-abi-stablelists4.18.0-477.150.1.el8_8kernel-abi-stablelists-4.18.0-477.150.1.el8_8.noarch.rpm
Red Hat Enterprise Linux8.8ppc64lekernel-core4.18.0-477.150.1.el8_8kernel-core-4.18.0-477.150.1.el8_8.ppc64le.rpm
Red Hat Enterprise Linux8.8x86_64kernel-core4.18.0-477.150.1.el8_8kernel-core-4.18.0-477.150.1.el8_8.x86_64.rpm
Red Hat Enterprise Linux8.8ppc64lekernel-debug4.18.0-477.150.1.el8_8kernel-debug-4.18.0-477.150.1.el8_8.ppc64le.rpm
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29 Jul 2026 16:25Current
6Medium risk
Vulners AI Score6
CVSS 3.19.8
EPSS0.00298
18