CVE-2026-31674 - netfilter: ip6t_rt: reject oversized addrnr in rt_mt6_check()

CVE-2026-31674 - netfilter: ip6t_rt: reject oversized addrnr in rt_mt6_check()

https://cvefeed.io/rssfeed/latest.atom / Sat, 04/25/2026 - 14:20
CVE ID :CVE-2026-31674
Published : April 25, 2026, 9:16 a.m. | 2 hours, 57 minutes ago
Description :In the Linux kernel, the following vulnerability has been resolved: netfilter: ip6t_rt: reject oversized addrnr in rt_mt6_check() Reject rt match rules whose addrnr exceeds IP6T_RT_HOPS. rt_mt6() expects addrnr to stay within the bounds of rtinfo->addrs[]. Validate addrnr during rule installation so malformed rules are rejected before the match logic can use an out-of-range value.
Severity: 0.0 | NA
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