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kernel: tcp: fix potential race in tcp_v6_syn_recv_sock()

🗓️ 17 Jul 2026 12:55:09Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 7 Views

A race in the Linux kernel TCP IPv6 syn_recv_sock may expose a child socket before IPv6 information is initialized, enabling potential denial of service.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux7x86_64kernel-rt3.10.0-1160.155.1.rt56.1307.el7kernel-rt-3.10.0-1160.155.1.rt56.1307.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-debug3.10.0-1160.155.1.rt56.1307.el7kernel-rt-debug-3.10.0-1160.155.1.rt56.1307.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-debug-debuginfo3.10.0-1160.155.1.rt56.1307.el7kernel-rt-debug-debuginfo-3.10.0-1160.155.1.rt56.1307.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-debug-devel3.10.0-1160.155.1.rt56.1307.el7kernel-rt-debug-devel-3.10.0-1160.155.1.rt56.1307.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-debuginfo3.10.0-1160.155.1.rt56.1307.el7kernel-rt-debuginfo-3.10.0-1160.155.1.rt56.1307.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-debuginfo-common-x86_643.10.0-1160.155.1.rt56.1307.el7kernel-rt-debuginfo-common-x86_64-3.10.0-1160.155.1.rt56.1307.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-devel3.10.0-1160.155.1.rt56.1307.el7kernel-rt-devel-3.10.0-1160.155.1.rt56.1307.el7.x86_64.rpm
Red Hat Enterprise Linux7noarchkernel-rt-doc3.10.0-1160.155.1.rt56.1307.el7kernel-rt-doc-3.10.0-1160.155.1.rt56.1307.el7.noarch.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-trace3.10.0-1160.155.1.rt56.1307.el7kernel-rt-trace-3.10.0-1160.155.1.rt56.1307.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-trace-debuginfo3.10.0-1160.155.1.rt56.1307.el7kernel-rt-trace-debuginfo-3.10.0-1160.155.1.rt56.1307.el7.x86_64.rpm
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24 Jul 2026 02:42Current
6.3Medium risk
Vulners AI Score6.3
CVSS 3.19.8
EPSS0.00298
7