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kernel: ipv6: mcast: extend RCU protection in igmp6_send()

🗓️ 02 Sep 2025 01:50:49Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 6 Views

Extend read-copy-update protection in igmp6_send to fetch net pointer safely and avoid use-after-free; use alloc_skb.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8.8ppc64lebpftool4.18.0-477.108.1.el8_8bpftool-4.18.0-477.108.1.el8_8.ppc64le.rpm
Red Hat Enterprise Linux8.8x86_64bpftool4.18.0-477.108.1.el8_8bpftool-4.18.0-477.108.1.el8_8.x86_64.rpm
Red Hat Enterprise Linux8.8ppc64lebpftool-debuginfo4.18.0-477.108.1.el8_8bpftool-debuginfo-4.18.0-477.108.1.el8_8.ppc64le.rpm
Red Hat Enterprise Linux8.8x86_64bpftool-debuginfo4.18.0-477.108.1.el8_8bpftool-debuginfo-4.18.0-477.108.1.el8_8.x86_64.rpm
Red Hat Enterprise Linux8.8ppc64lekernel4.18.0-477.108.1.el8_8kernel-4.18.0-477.108.1.el8_8.ppc64le.rpm
Red Hat Enterprise Linux8.8x86_64kernel4.18.0-477.108.1.el8_8kernel-4.18.0-477.108.1.el8_8.x86_64.rpm
Red Hat Enterprise Linux8.8noarchkernel-abi-stablelists4.18.0-477.108.1.el8_8kernel-abi-stablelists-4.18.0-477.108.1.el8_8.noarch.rpm
Red Hat Enterprise Linux8.8ppc64lekernel-core4.18.0-477.108.1.el8_8kernel-core-4.18.0-477.108.1.el8_8.ppc64le.rpm
Red Hat Enterprise Linux8.8x86_64kernel-core4.18.0-477.108.1.el8_8kernel-core-4.18.0-477.108.1.el8_8.x86_64.rpm
Red Hat Enterprise Linux8.8ppc64lekernel-debug4.18.0-477.108.1.el8_8kernel-debug-4.18.0-477.108.1.el8_8.ppc64le.rpm
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30 Jun 2026 03:31Current
6.8Medium risk
Vulners AI Score6.8
CVSS 3.17.8
EPSS0.07174
SSVC
6