{"id":"CVE-2023-53700","state":"PUBLISHED","title":"media: max9286: Fix memleak in max9286_v4l2_register()","description":"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    [<00000000191de6a7>] __kmalloc_node+0x44/0x1b0\n    [<000000002f4912b7>] kvmalloc_node+0x34/0x180\n    [<0000000057dc4cae>] v4l2_ctrl_new+0x325/0x10f0 [videodev]\n    [<0000000026030272>] v4l2_ctrl_new_std+0x16f/0x210 [videodev]\n    [<00000000f0d9ea2f>] max9286_probe+0x76e/0xbff [max9286]\n    [<00000000ea8f6455>] i2c_device_probe+0x28d/0x680\n    [<0000000087529af3>] really_probe+0x17c/0x3f0\n    [<00000000b08be526>] __driver_probe_device+0xe3/0x170\n    [<000000004382edea>] driver_probe_device+0x49/0x120\n    [<000000007bde528a>] __device_attach_driver+0xf7/0x150\n    [<000000009f9c6ab4>] bus_for_each_drv+0x114/0x180\n    [<00000000c8aaf588>] __device_attach+0x1e5/0x2d0\n    [<0000000041cc06b9>] bus_probe_device+0x126/0x140\n    [<000000002309860d>] device_add+0x810/0x1130\n    [<000000002827bf98>] i2c_new_client_device+0x359/0x4f0\n    [<00000000593bdc85>] 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.","publishedAt":"2025-10-22T13:23:39.560Z","updatedAt":"2026-05-11T19:50:10.935Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"66d8c9d2422da21ed41f75c03ba0685987b65fe0","status":"affected","lessThan":"505ff3a0c5951684c3a43094ca4c1a74683d5681","versionType":"git"},{"version":"66d8c9d2422da21ed41f75c03ba0685987b65fe0","status":"affected","lessThan":"5897fe3ebe8252993579e1bee715ebfe5504e052","versionType":"git"},{"version":"66d8c9d2422da21ed41f75c03ba0685987b65fe0","status":"affected","lessThan":"724039e013b34f46344abdbf8c74e6a65a828327","versionType":"git"},{"version":"66d8c9d2422da21ed41f75c03ba0685987b65fe0","status":"affected","lessThan":"5e31213fa017c20ccc989033a5f4a626473aa2ca","versionType":"git"},{"version":"66d8c9d2422da21ed41f75c03ba0685987b65fe0","status":"affected","lessThan":"8636c5fc7658c7c6299fb8b352d24ea4b9ba99e2","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/i2c/max9286.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.9","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.9","versionType":"semver"},{"version":"5.10.173","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.99","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.16","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2.3","status":"unaffected","lessThanOrEqual":"6.2.*","versionType":"semver"},{"version":"6.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/i2c/max9286.c"]}],"references":["https://git.kernel.org/stable/c/505ff3a0c5951684c3a43094ca4c1a74683d5681","https://git.kernel.org/stable/c/5897fe3ebe8252993579e1bee715ebfe5504e052","https://git.kernel.org/stable/c/724039e013b34f46344abdbf8c74e6a65a828327","https://git.kernel.org/stable/c/5e31213fa017c20ccc989033a5f4a626473aa2ca","https://git.kernel.org/stable/c/8636c5fc7658c7c6299fb8b352d24ea4b9ba99e2"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/53xxx/CVE-2023-53700.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53700","state":"PUBLISHED","datePublished":"2025-10-22T13:23:39.560Z","dateUpdated":"2026-05-11T19:50:10.935Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-10-22T13:21:37.345Z"},"containers":{"cna":{"title":"media: max9286: Fix memleak in max9286_v4l2_register()","descriptions":[{"lang":"en","value":"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    [<00000000191de6a7>] __kmalloc_node+0x44/0x1b0\n    [<000000002f4912b7>] kvmalloc_node+0x34/0x180\n    [<0000000057dc4cae>] v4l2_ctrl_new+0x325/0x10f0 [videodev]\n    [<0000000026030272>] v4l2_ctrl_new_std+0x16f/0x210 [videodev]\n    [<00000000f0d9ea2f>] max9286_probe+0x76e/0xbff [max9286]\n    [<00000000ea8f6455>] i2c_device_probe+0x28d/0x680\n    [<0000000087529af3>] really_probe+0x17c/0x3f0\n    [<00000000b08be526>] __driver_probe_device+0xe3/0x170\n    [<000000004382edea>] driver_probe_device+0x49/0x120\n    [<000000007bde528a>] __device_attach_driver+0xf7/0x150\n    [<000000009f9c6ab4>] bus_for_each_drv+0x114/0x180\n    [<00000000c8aaf588>] __device_attach+0x1e5/0x2d0\n    [<0000000041cc06b9>] bus_probe_device+0x126/0x140\n    [<000000002309860d>] device_add+0x810/0x1130\n    [<000000002827bf98>] i2c_new_client_device+0x359/0x4f0\n    [<00000000593bdc85>] 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."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"66d8c9d2422da21ed41f75c03ba0685987b65fe0","status":"affected","lessThan":"505ff3a0c5951684c3a43094ca4c1a74683d5681","versionType":"git"},{"version":"66d8c9d2422da21ed41f75c03ba0685987b65fe0","status":"affected","lessThan":"5897fe3ebe8252993579e1bee715ebfe5504e052","versionType":"git"},{"version":"66d8c9d2422da21ed41f75c03ba0685987b65fe0","status":"affected","lessThan":"724039e013b34f46344abdbf8c74e6a65a828327","versionType":"git"},{"version":"66d8c9d2422da21ed41f75c03ba0685987b65fe0","status":"affected","lessThan":"5e31213fa017c20ccc989033a5f4a626473aa2ca","versionType":"git"},{"version":"66d8c9d2422da21ed41f75c03ba0685987b65fe0","status":"affected","lessThan":"8636c5fc7658c7c6299fb8b352d24ea4b9ba99e2","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/i2c/max9286.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.9","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.9","versionType":"semver"},{"version":"5.10.173","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.99","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.16","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2.3","status":"unaffected","lessThanOrEqual":"6.2.*","versionType":"semver"},{"version":"6.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/i2c/max9286.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/505ff3a0c5951684c3a43094ca4c1a74683d5681"},{"url":"https://git.kernel.org/stable/c/5897fe3ebe8252993579e1bee715ebfe5504e052"},{"url":"https://git.kernel.org/stable/c/724039e013b34f46344abdbf8c74e6a65a828327"},{"url":"https://git.kernel.org/stable/c/5e31213fa017c20ccc989033a5f4a626473aa2ca"},{"url":"https://git.kernel.org/stable/c/8636c5fc7658c7c6299fb8b352d24ea4b9ba99e2"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:50:10.935Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.9","versionEndExcluding":"5.10.173"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.9","versionEndExcluding":"5.15.99"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.9","versionEndExcluding":"6.1.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.9","versionEndExcluding":"6.2.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.9","versionEndExcluding":"6.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}