{"id":"CVE-2023-53700","summary":"media: max9286: Fix memleak in max9286_v4l2_register()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: max9286: Fix memleak in max9286_v4l2_register()\n\nThere is a kmemleak when testing the media/i2c/max9286.c with bpf mock\ndevice:\n\nkmemleak: 5 new suspected memory leaks (see /sys/kernel/debug/kmemleak)\n\nunreferenced object 0xffff88810defc400 (size 256):\n  comm \"python3\", pid 278, jiffies 4294737563 (age 31.978s)\n  hex dump (first 32 bytes):\n    28 06 a7 0a 81 88 ff ff 00 fe 22 12 81 88 ff ff  (.........\".....\n    10 c4 ef 0d 81 88 ff ff 10 c4 ef 0d 81 88 ff ff  ................\n  backtrace:\n    [\u003c00000000191de6a7\u003e] __kmalloc_node+0x44/0x1b0\n    [\u003c000000002f4912b7\u003e] kvmalloc_node+0x34/0x180\n    [\u003c0000000057dc4cae\u003e] v4l2_ctrl_new+0x325/0x10f0 [videodev]\n    [\u003c0000000026030272\u003e] v4l2_ctrl_new_std+0x16f/0x210 [videodev]\n    [\u003c00000000f0d9ea2f\u003e] max9286_probe+0x76e/0xbff [max9286]\n    [\u003c00000000ea8f6455\u003e] i2c_device_probe+0x28d/0x680\n    [\u003c0000000087529af3\u003e] really_probe+0x17c/0x3f0\n    [\u003c00000000b08be526\u003e] __driver_probe_device+0xe3/0x170\n    [\u003c000000004382edea\u003e] driver_probe_device+0x49/0x120\n    [\u003c000000007bde528a\u003e] __device_attach_driver+0xf7/0x150\n    [\u003c000000009f9c6ab4\u003e] bus_for_each_drv+0x114/0x180\n    [\u003c00000000c8aaf588\u003e] __device_attach+0x1e5/0x2d0\n    [\u003c0000000041cc06b9\u003e] bus_probe_device+0x126/0x140\n    [\u003c000000002309860d\u003e] device_add+0x810/0x1130\n    [\u003c000000002827bf98\u003e] i2c_new_client_device+0x359/0x4f0\n    [\u003c00000000593bdc85\u003e] of_i2c_register_device+0xf1/0x110\n\nmax9286_v4l2_register() calls v4l2_ctrl_new_std(), but won't free the\ncreated v412_ctrl when fwnode_graph_get_endpoint_by_id() failed, which\ncauses the memleak. Call v4l2_ctrl_handler_free() to free the v412_ctrl.","modified":"2026-04-02T09:44:53.892109Z","published":"2025-10-22T13:23:39.560Z","related":["SUSE-SU-2025:4111-1","SUSE-SU-2025:4139-1","SUSE-SU-2025:4149-1","SUSE-SU-2025:4320-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53700.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/505ff3a0c5951684c3a43094ca4c1a74683d5681"},{"type":"WEB","url":"https://git.kernel.org/stable/c/5897fe3ebe8252993579e1bee715ebfe5504e052"},{"type":"WEB","url":"https://git.kernel.org/stable/c/5e31213fa017c20ccc989033a5f4a626473aa2ca"},{"type":"WEB","url":"https://git.kernel.org/stable/c/724039e013b34f46344abdbf8c74e6a65a828327"},{"type":"WEB","url":"https://git.kernel.org/stable/c/8636c5fc7658c7c6299fb8b352d24ea4b9ba99e2"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53700.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-53700"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"66d8c9d2422da21ed41f75c03ba0685987b65fe0"},{"fixed":"505ff3a0c5951684c3a43094ca4c1a74683d5681"},{"fixed":"5897fe3ebe8252993579e1bee715ebfe5504e052"},{"fixed":"724039e013b34f46344abdbf8c74e6a65a828327"},{"fixed":"5e31213fa017c20ccc989033a5f4a626473aa2ca"},{"fixed":"8636c5fc7658c7c6299fb8b352d24ea4b9ba99e2"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53700.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.9.0"},{"fixed":"5.10.173"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.99"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.16"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.2.3"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53700.json"}}],"schema_version":"1.7.5"}