fkie_cve-2023-53700
Vulnerability from fkie_nvd
Published
2025-10-22 14:15
Modified
2025-10-22 21:12
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
media: max9286: Fix memleak in max9286_v4l2_register()
There is a kmemleak when testing the media/i2c/max9286.c with bpf mock
device:
kmemleak: 5 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
unreferenced object 0xffff88810defc400 (size 256):
comm "python3", pid 278, jiffies 4294737563 (age 31.978s)
hex dump (first 32 bytes):
28 06 a7 0a 81 88 ff ff 00 fe 22 12 81 88 ff ff (.........".....
10 c4 ef 0d 81 88 ff ff 10 c4 ef 0d 81 88 ff ff ................
backtrace:
[<00000000191de6a7>] __kmalloc_node+0x44/0x1b0
[<000000002f4912b7>] kvmalloc_node+0x34/0x180
[<0000000057dc4cae>] v4l2_ctrl_new+0x325/0x10f0 [videodev]
[<0000000026030272>] v4l2_ctrl_new_std+0x16f/0x210 [videodev]
[<00000000f0d9ea2f>] max9286_probe+0x76e/0xbff [max9286]
[<00000000ea8f6455>] i2c_device_probe+0x28d/0x680
[<0000000087529af3>] really_probe+0x17c/0x3f0
[<00000000b08be526>] __driver_probe_device+0xe3/0x170
[<000000004382edea>] driver_probe_device+0x49/0x120
[<000000007bde528a>] __device_attach_driver+0xf7/0x150
[<000000009f9c6ab4>] bus_for_each_drv+0x114/0x180
[<00000000c8aaf588>] __device_attach+0x1e5/0x2d0
[<0000000041cc06b9>] bus_probe_device+0x126/0x140
[<000000002309860d>] device_add+0x810/0x1130
[<000000002827bf98>] i2c_new_client_device+0x359/0x4f0
[<00000000593bdc85>] of_i2c_register_device+0xf1/0x110
max9286_v4l2_register() calls v4l2_ctrl_new_std(), but won't free the
created v412_ctrl when fwnode_graph_get_endpoint_by_id() failed, which
causes the memleak. Call v4l2_ctrl_handler_free() to free the v412_ctrl.
References
Impacted products
| Vendor | Product | Version |
|---|
{
"cveTags": [],
"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 [\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\u0027t 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."
}
],
"id": "CVE-2023-53700",
"lastModified": "2025-10-22T21:12:48.953",
"metrics": {},
"published": "2025-10-22T14:15:44.547",
"references": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/505ff3a0c5951684c3a43094ca4c1a74683d5681"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/5897fe3ebe8252993579e1bee715ebfe5504e052"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/5e31213fa017c20ccc989033a5f4a626473aa2ca"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/724039e013b34f46344abdbf8c74e6a65a828327"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/8636c5fc7658c7c6299fb8b352d24ea4b9ba99e2"
}
],
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"vulnStatus": "Awaiting Analysis"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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