CVE-2024-41068

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> s390/sclp: Fix sclp_init() cleanup on failure<br /> <br /> If sclp_init() fails it only partially cleans up: if there are multiple<br /> failing calls to sclp_init() sclp_state_change_event will be added several<br /> times to sclp_reg_list, which results in the following warning:<br /> <br /> ------------[ cut here ]------------<br /> list_add double add: new=000003ffe1598c10, prev=000003ffe1598bf0, next=000003ffe1598c10.<br /> WARNING: CPU: 0 PID: 1 at lib/list_debug.c:35 __list_add_valid_or_report+0xde/0xf8<br /> CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.10.0-rc3<br /> Krnl PSW : 0404c00180000000 000003ffe0d6076a (__list_add_valid_or_report+0xe2/0xf8)<br /> R:0 T:1 IO:0 EX:0 Key:0 M:1 W:0 P:0 AS:3 CC:0 PM:0 RI:0 EA:3<br /> ...<br /> Call Trace:<br /> [] __list_add_valid_or_report+0xe2/0xf8<br /> ([] __list_add_valid_or_report+0xde/0xf8)<br /> [] sclp_init+0x40e/0x450<br /> [] do_one_initcall+0x42/0x1e0<br /> [] do_initcalls+0x126/0x150<br /> [] kernel_init_freeable+0x1ba/0x1f8<br /> [] kernel_init+0x2e/0x180<br /> [] __ret_from_fork+0x3c/0x60<br /> [] ret_from_fork+0xa/0x30<br /> <br /> Fix this by removing sclp_state_change_event from sclp_reg_list when<br /> sclp_init() fails.