CVE-2026-53268

Summary

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 Software

VendorProductVersion RangeStatus
LinuxLinux869f37d8e48f3911eb70f38a994feaa8f8380008 < 4cdda7f868f48e2f81579371584fdbdce37df2c8affected
LinuxLinux869f37d8e48f3911eb70f38a994feaa8f8380008 < 8a1d6e40dedfe1068aee094d851bd69e289c9fd6affected
LinuxLinux869f37d8e48f3911eb70f38a994feaa8f8380008 < 0afc802160af0df61ed374fdb97fb34cfe5cdf2faffected
LinuxLinux869f37d8e48f3911eb70f38a994feaa8f8380008 < 7c34f91305292083253df6a9f6c8ede02d4ccaeaaffected
LinuxLinux869f37d8e48f3911eb70f38a994feaa8f8380008 < ddddd8271359961e403d11c90c9ba9fc38914f7eaffected
LinuxLinux869f37d8e48f3911eb70f38a994feaa8f8380008 < 9e5da2379f968a3ea5a6e38921ab6201576466dcaffected
LinuxLinux869f37d8e48f3911eb70f38a994feaa8f8380008 < 573810f61bcd6b6815e2ff53bbdd2b9c9d747176affected
LinuxLinux869f37d8e48f3911eb70f38a994feaa8f8380008 < 66eba0ffce3b7e11449946b4cbbef8ea36112f56affected
LinuxLinux2.6.20affected
LinuxLinux0 < 2.6.20unaffected
LinuxLinux5.10.259 <= 5.10.*unaffected
LinuxLinux5.15.210 <= 5.15.*unaffected
LinuxLinux6.1.176 <= 6.1.*unaffected
LinuxLinux6.6.143 <= 6.6.*unaffected
LinuxLinux6.12.94 <= 6.12.*unaffected
LinuxLinux6.18.36 <= 6.18.*unaffected
LinuxLinux7.0.13 <= 7.0.*unaffected
LinuxLinux7.1 <= *unaffected

Weaknesses

References