https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Wed, 30 Sep 2026 23:47:56 +0000 https://vulnerability.circl.lu/vuln/cve-2023-53261 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>coresight: Fix memory leak in acpi_buffer-&gt;pointer</p> <p>There are memory leaks reported by kmemleak: ... unreferenced object 0xffff00213c141000 (size 1024): comm &#34;systemd-udevd&#34;, pid 2123, jiffies 4294909467 (age 6062.160s) hex dump (first 32 bytes): 04 00 00 00 02 00 00 00 18 10 14 3c 21 00 ff ff ...........&lt;!... 00 00 00 00 00 00 00 00 03 00 00 00 10 00 00 00 ................ backtrace: [&lt;000000004b7c9001&gt;] __kmem_cache_alloc_node+0x2f8/0x348 [&lt;00000000b0fc7ceb&gt;] __kmalloc+0x58/0x108 [&lt;0000000064ff4695&gt;] acpi_os_allocate+0x2c/0x68 [&lt;000000007d57d116&gt;] acpi_ut_initialize_buffer+0x54/0xe0 [&lt;0000000024583908&gt;] acpi_evaluate_object+0x388/0x438 [&lt;0000000017b2e72b&gt;] acpi_evaluate_object_typed+0xe8/0x240 [&lt;000000005df0eac2&gt;] coresight_get_platform_data+0x1b4/0x988 [coresight] ...</p> <p>The ACPI buffer memory (buf.pointer) should be freed. But the buffer is also used after returning from acpi_get_dsd_graph(). Move the temporary variables buf to acpi_coresight_parse_graph(), and free it before the function return to prevent memory leak.</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>coresight: Fix memory leak in acpi_buffer-&gt;pointer</p> <p>There are memory leaks reported by kmemleak: ... unreferenced object 0xffff00213c141000 (size 1024): comm &#34;systemd-udevd&#34;, pid 2123, jiffies 4294909467 (age 6062.160s) hex dump (first 32 bytes): 04 00 00 00 02 00 00 00 18 10 14 3c 21 00 ff ff ...........&lt;!... 00 00 00 00 00 00 00 00 03 00 00 00 10 00 00 00 ................ backtrace: [&lt;000000004b7c9001&gt;] __kmem_cache_alloc_node+0x2f8/0x348 [&lt;00000000b0fc7ceb&gt;] __kmalloc+0x58/0x108 [&lt;0000000064ff4695&gt;] acpi_os_allocate+0x2c/0x68 [&lt;000000007d57d116&gt;] acpi_ut_initialize_buffer+0x54/0xe0 [&lt;0000000024583908&gt;] acpi_evaluate_object+0x388/0x438 [&lt;0000000017b2e72b&gt;] acpi_evaluate_object_typed+0xe8/0x240 [&lt;000000005df0eac2&gt;] coresight_get_platform_data+0x1b4/0x988 [coresight] ...</p> <p>The ACPI buffer memory (buf.pointer) should be freed. But the buffer is also used after returning from acpi_get_dsd_graph(). Move the temporary variables buf to acpi_coresight_parse_graph(), and free it before the function return to prevent memory leak.</p> https://vulnerability.circl.lu/vuln/cve-2023-53261