CVE-2023-54208

media: ov5675: Fix memleak in ov5675_init_controls()

State: Published
Severity: Not scored
Published: Dec 30, 2025
Updated: May 11, 2026
Reserved: Dec 30, 2025

Description

In the Linux kernel, the following vulnerability has been resolved:

media: ov5675: Fix memleak in ov5675_init_controls()

There is a kmemleak when testing the media/i2c/ov5675.c with bpf mock device:

AssertionError: unreferenced object 0xffff888107362160 (size 16): comm "python3", pid 277, jiffies 4294832798 (age 20.722s) hex dump (first 16 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000abe7d67c>] __kmalloc_node+0x44/0x1b0 [<000000008a725aac>] kvmalloc_node+0x34/0x180 [<000000009a53cd11>] v4l2_ctrl_handler_init_class+0x11d/0x180 [videodev] [<0000000055b46db0>] ov5675_probe+0x38b/0x897 [ov5675] [<00000000153d886c>] i2c_device_probe+0x28d/0x680 [<000000004afb7e8f>] really_probe+0x17c/0x3f0 [<00000000ff2f18e4>] __driver_probe_device+0xe3/0x170 [<000000000a001029>] driver_probe_device+0x49/0x120 [<00000000e39743c7>] __device_attach_driver+0xf7/0x150 [<00000000d32fd070>] bus_for_each_drv+0x114/0x180 [<000000009083ac41>] __device_attach+0x1e5/0x2d0 [<0000000015b4a830>] bus_probe_device+0x126/0x140 [<000000007813deaf>] device_add+0x810/0x1130 [<000000007becb867>] i2c_new_client_device+0x386/0x540 [<000000007f9cf4b4>] of_i2c_register_device+0xf1/0x110 [<00000000ebfdd032>] of_i2c_notify+0xfc/0x1f0

ov5675_init_controls() won't clean all the allocated resources in fail path, which may causes the memleaks. Add v4l2_ctrl_handler_free() to prevent memleak.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	bf27502b1f3bf8095bf81736e506d354a2ce9ec4 to before 086a80b842bcb621d6c4eedad20683f1f674d0c2Affected bf27502b1f3bf8095bf81736e506d354a2ce9ec4 to before bcae9115a163198dce9126aa8bedc1c007ec30edAffected bf27502b1f3bf8095bf81736e506d354a2ce9ec4 to before ba54908ae8225d58f1830edb394d4153bcb7d0aaAffected bf27502b1f3bf8095bf81736e506d354a2ce9ec4 to before 49b849824b9862f177fc77fc92ef95ec54566ecfAffected bf27502b1f3bf8095bf81736e506d354a2ce9ec4 to before 7a36a6be694df87d019663863b922913947b42afAffected bf27502b1f3bf8095bf81736e506d354a2ce9ec4 to before dd74ed6c213003533e3abf4c204374ef01d86978Affected
LinuxLinux	5.4Affected before 5.4Not affected 5.4.235 through 5.4.Not affected 5.10.173 through 5.10.Not affected 5.15.99 through 5.15.Not affected 6.1.16 through 6.1.Not affected 6.2.3 through 6.2.*Not affected 6.3 and laterNot affected

Product

Versions

LinuxLinux

bf27502b1f3bf8095bf81736e506d354a2ce9ec4 to before 086a80b842bcb621d6c4eedad20683f1f674d0c2Affected
bf27502b1f3bf8095bf81736e506d354a2ce9ec4 to before bcae9115a163198dce9126aa8bedc1c007ec30edAffected
bf27502b1f3bf8095bf81736e506d354a2ce9ec4 to before ba54908ae8225d58f1830edb394d4153bcb7d0aaAffected
bf27502b1f3bf8095bf81736e506d354a2ce9ec4 to before 49b849824b9862f177fc77fc92ef95ec54566ecfAffected
bf27502b1f3bf8095bf81736e506d354a2ce9ec4 to before 7a36a6be694df87d019663863b922913947b42afAffected
bf27502b1f3bf8095bf81736e506d354a2ce9ec4 to before dd74ed6c213003533e3abf4c204374ef01d86978Affected

LinuxLinux

5.4Affected
before 5.4Not affected
5.4.235 through 5.4.*Not affected
5.10.173 through 5.10.*Not affected
5.15.99 through 5.15.*Not affected
6.1.16 through 6.1.*Not affected
6.2.3 through 6.2.*Not affected
6.3 and laterNot affected

References

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