CVE-2023-53349

/// Technical description

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

media: ov2740: Fix memleak in ov2740_init_controls()

There is a kmemleak when testing the media/i2c/ov2740.c with bpf mock

device:

unreferenced object 0xffff8881090e19e0 (size 16):

comm "51-i2c-ov2740", pid 278, jiffies 4294781584 (age 23.613s)

hex dump (first 16 bytes):

00 f3 7c 0b 81 88 ff ff 80 75 6a 09 81 88 ff ff ..|......uj.....

backtrace:

[<000000004e9fad8f>] __kmalloc_node+0x44/0x1b0

[<0000000039c802f4>] kvmalloc_node+0x34/0x180

[<000000009b8b5c63>] v4l2_ctrl_handler_init_class+0x11d/0x180

[videodev]

[<0000000038644056>] ov2740_probe+0x37d/0x84f [ov2740]

[<0000000092489f59>] i2c_device_probe+0x28d/0x680

[<000000001038babe>] really_probe+0x17c/0x3f0

[<0000000098c7af1c>] __driver_probe_device+0xe3/0x170

[<00000000e1b3dc24>] device_driver_attach+0x34/0x80

[<000000005a04a34d>] bind_store+0x10b/0x1a0

[<00000000ce25d4f2>] drv_attr_store+0x49/0x70

[<000000007d9

/// Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

/// References