https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Thu, 01 Oct 2026 16:55:05 +0000 https://vulnerability.circl.lu/vuln/cve-2022-50434 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>blk-mq: fix possible memleak when register &#39;hctx&#39; failed</p> <p>There&#39;s issue as follows when do fault injection test: unreferenced object 0xffff888132a9f400 (size 512): comm &#34;insmod&#34;, pid 308021, jiffies 4324277909 (age 509.733s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 08 f4 a9 32 81 88 ff ff ...........2.... 08 f4 a9 32 81 88 ff ff 00 00 00 00 00 00 00 00 ...2............ backtrace: [&lt;00000000e8952bb4&gt;] kmalloc_node_trace+0x22/0xa0 [&lt;00000000f9980e0f&gt;] blk_mq_alloc_and_init_hctx+0x3f1/0x7e0 [&lt;000000002e719efa&gt;] blk_mq_realloc_hw_ctxs+0x1e6/0x230 [&lt;000000004f1fda40&gt;] blk_mq_init_allocated_queue+0x27e/0x910 [&lt;00000000287123ec&gt;] __blk_mq_alloc_disk+0x67/0xf0 [&lt;00000000a2a34657&gt;] 0xffffffffa2ad310f [&lt;00000000b173f718&gt;] 0xffffffffa2af824a [&lt;0000000095a1dabb&gt;] do_one_initcall+0x87/0x2a0 [&lt;00000000f32fdf93&gt;] do_init_module+0xdf/0x320 [&lt;00000000cbe8541e&gt;] load_module+0x3006/0x3390 [&lt;0000000069ed1bdb&gt;] __do_sys_finit_module+0x113/0x1b0 [&lt;00000000a1a29ae8&gt;] do_syscall_64+0x35/0x80 [&lt;000000009cd878b0&gt;] entry_SYSCALL_64_after_hwframe+0x46/0xb0</p> <p>Fault injection context as follows: kobject_add blk_mq_register_hctx blk_mq_sysfs_register blk_register_queue device_add_disk null_add_dev.part.0 [null_blk]</p> <p>As &#39;blk_mq_register_hctx&#39; may already add some objects when failed halfway, but there isn&#39;t do fallback, caller don&#39;t know which objects add f…</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>blk-mq: fix possible memleak when register &#39;hctx&#39; failed</p> <p>There&#39;s issue as follows when do fault injection test: unreferenced object 0xffff888132a9f400 (size 512): comm &#34;insmod&#34;, pid 308021, jiffies 4324277909 (age 509.733s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 08 f4 a9 32 81 88 ff ff ...........2.... 08 f4 a9 32 81 88 ff ff 00 00 00 00 00 00 00 00 ...2............ backtrace: [&lt;00000000e8952bb4&gt;] kmalloc_node_trace+0x22/0xa0 [&lt;00000000f9980e0f&gt;] blk_mq_alloc_and_init_hctx+0x3f1/0x7e0 [&lt;000000002e719efa&gt;] blk_mq_realloc_hw_ctxs+0x1e6/0x230 [&lt;000000004f1fda40&gt;] blk_mq_init_allocated_queue+0x27e/0x910 [&lt;00000000287123ec&gt;] __blk_mq_alloc_disk+0x67/0xf0 [&lt;00000000a2a34657&gt;] 0xffffffffa2ad310f [&lt;00000000b173f718&gt;] 0xffffffffa2af824a [&lt;0000000095a1dabb&gt;] do_one_initcall+0x87/0x2a0 [&lt;00000000f32fdf93&gt;] do_init_module+0xdf/0x320 [&lt;00000000cbe8541e&gt;] load_module+0x3006/0x3390 [&lt;0000000069ed1bdb&gt;] __do_sys_finit_module+0x113/0x1b0 [&lt;00000000a1a29ae8&gt;] do_syscall_64+0x35/0x80 [&lt;000000009cd878b0&gt;] entry_SYSCALL_64_after_hwframe+0x46/0xb0</p> <p>Fault injection context as follows: kobject_add blk_mq_register_hctx blk_mq_sysfs_register blk_register_queue device_add_disk null_add_dev.part.0 [null_blk]</p> <p>As &#39;blk_mq_register_hctx&#39; may already add some objects when failed halfway, but there isn&#39;t do fallback, caller don&#39;t know which objects add f…</p> https://vulnerability.circl.lu/vuln/cve-2022-50434