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            "value": "RHSA-2026:25217: Red Hat Enterprise Linux AppStream (v. 9), Red Hat Enterprise Linux BaseOS (v. 9), Red Hat Enterprise Linux CodeReady Linux Builder (v. 9), Red Hat Enterprise Linux Real Time (v. 9), Red Hat Enterprise Linux Real Time for NFV (v. 9)"
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            "value": "RHSA-2026:28749: Red Hat Enterprise Linux BaseOS (v. 8)"
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            "value": "RHSA-2026:26535: Red Hat Enterprise Linux BaseOS AUS (v.8.4), Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4)"
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            "value": "RHSA-2026:25533: Red Hat Enterprise Linux BaseOS AUS (v.8.6), Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.6)"
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            "value": "RHSA-2026:22964: Red Hat Enterprise Linux BaseOS E4S (v.8.8), Red Hat Enterprise Linux BaseOS TUS (v.8.8)"
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            "value": "RHSA-2026:28748: Red Hat Enterprise Linux BaseOS E4S (v.8.8)"
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            "value": "RHSA-2026:28750: Red Hat Enterprise Linux BaseOS E4S (v.9.2)"
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            "value": "RHSA-2026:28738: Red Hat Enterprise Linux BaseOS E4S (v.9.4)"
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            "value": "RHSA-2026:28741: Red Hat Enterprise Linux BaseOS (v. 9)"
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            "value": "RHSA-2026:25120: Red Hat Enterprise Linux NFV (v. 8), Red Hat Enterprise Linux RT (v. 8)"
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            "value": "RHSA-2026:22900: Red Hat Enterprise Linux Real Time E4S (v.9.2), Red Hat Enterprise Linux Real Time for NFV E4S (v.9.2)"
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            "lang": "en",
            "time": "2026-05-01T00:00:00.000Z",
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        "title": "kernel: ip6_tunnel: clear skb2-\u003ecb[] in ip4ip6_err()",
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            "value": "Mitigation for this issue is to skip loading the affected module `ip6_tunnel` onto the system till we have a fix available, this can be done by a blacklist mechanism, this will ensure the driver is not loaded at the boot time.\n~~~\nHow do I blacklist a kernel module to prevent it from loading automatically? \nhttps://access.redhat.com/solutions/41278  \n~~~\n\nWe may also want to detection and monitoring an affected system as below:\n~~~\nMonitor for exploitation attempts:\n\n# Enable kernel audit for IPv6 tunnel operations\nauditctl -a always,exit -F arch=b64 -S socket -F a0=10 -F a1=3 -k ipv6_tunnel\n\n# Monitor system logs for kernel panics/crashes\njournalctl -k -p err -f | grep -i \"ip6_tunnel\\|icmp\\|stack\"\n~~~"
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