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Описание
Оригинално описание
In the Linux kernel, the following vulnerability has been resolved: tracing: Add NULL pointer check to trigger_data_free() If trigger_data_alloc() fails and returns NULL, event_hist_trigger_parse() jumps to the out_free error path. While kfree() safely handles a NULL pointer, trigger_data_free() does not. This causes a NULL pointer dereference in trigger_data_free() when evaluating data->cmd_ops->set_filter. Fix the problem by adding a NULL pointer check to trigger_data_free(). The problem was found by an experimental code review agent based on gemini-3.1-pro while reviewing backports into v6.18.y.
Засегнати продукти
- Linux Linux: c10f0efe57728508d796ae4ba7abe4c14ec3d8ef преди 13dcd9269e225e4c4ceabdaeebe2ce4661b54c6e; 7e6556e9329bc484e9dcdab6e346d959267c0636 преди 59c15b9cc453b74beb9f04c6c398717e73612dc3; 9b0513905e0598b9f8cfccab8e47497aed5d935d преди 42b380f97d65e76e7b310facd525f730272daf57; 335dfe4bc6368e70e8c15419375cf609c4f85558 преди 2ce8ece5a78da67834db7728edc801889a64f643; e42efbe9754da78eafe11f6bd3ca9c8a094a752a преди 477469223b2b840f436ce204333de87cb17e5d93; 0550069cc25f513ce1f109c88f7c1f01d63297db преди 457965c13f0837a289c9164b842d0860133f6274
- Linux Linux: 6.1.165 преди 6.1.167; 6.6.128 преди 6.6.130; 6.12.75 преди 6.12.77; 6.18.14 преди 6.18.17; 6.19.4 преди 6.19.7
История
- 25 март 2026 Публикувано
Други уязвимости в Linux Linux
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-23309
- https://nvd.nist.gov/vuln/detail/CVE-2026-23309
- https://git.kernel.org/stable/c/13dcd9269e225e4c4ceabdaeebe2ce4661b54c6e
- https://git.kernel.org/stable/c/59c15b9cc453b74beb9f04c6c398717e73612dc3
- https://git.kernel.org/stable/c/42b380f97d65e76e7b310facd525f730272daf57
- https://git.kernel.org/stable/c/2ce8ece5a78da67834db7728edc801889a64f643
- https://git.kernel.org/stable/c/477469223b2b840f436ce204333de87cb17e5d93
- https://git.kernel.org/stable/c/457965c13f0837a289c9164b842d0860133f6274