Linux vulnerability

What happened

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack_irc: fix possible out-of-bounds read When parsing fails after we've matched the command string we should bail out instead of trying to match a different command. This helper should be deprecated, given prevalence of TLS I doubt it has any relevance in 2026.

Affected versions

Linux: 869f37d8e48f3911eb70f38a994feaa8f8380008 through before 4cdda7f868f48e2f81579371584fdbdce37df2c8 (git); 869f37d8e48f3911eb70f38a994feaa8f8380008 through before 8a1d6e40dedfe1068aee094d851bd69e289c9fd6 (git); 869f37d8e48f3911eb70f38a994feaa8f8380008 through before 0afc802160af0df61ed374fdb97fb34cfe5cdf2f (git); 869f37d8e48f3911eb70f38a994feaa8f8380008 through before 7c34f91305292083253df6a9f6c8ede02d4ccaea (git); 869f37d8e48f3911eb70f38a994feaa8f8380008 through before ddddd8271359961e403d11c90c9ba9fc38914f7e (git); 869f37d8e48f3911eb70f38a994feaa8f8380008 through before 9e5da2379f968a3ea5a6e38921ab6201576466dc (git); 869f37d8e48f3911eb70f38a994feaa8f8380008 through before 573810f61bcd6b6815e2ff53bbdd2b9c9d747176 (git); 869f37d8e48f3911eb70f38a994feaa8f8380008 through before 66eba0ffce3b7e11449946b4cbbef8ea36112f56 (git); 2.6.20; V3.1.6 through before * (custom) Fixed: See vendor advisory.

Why it matters

Review the vendor advisory and exposure of the affected product to determine operational impact.

Detection & mitigation

• Apply vendor-provided updates or mitigations.
• Review affected product exposure and access logs.