CVE-2023-54208
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.
Affected versions
Linux kernel versions
5.4
and later are affected. Fixed in
5.4.235,
5.10.173,
5.15.99,
6.1.16,
6.2.3,
6.3
and their respective stable series.
References
The following references provide additional information about CVE-2023-54208 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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PatchKernel patch commithttps://git.kernel.org/stable/c/086a80b842bcb621d6c4eedad20683f1f674d0c2
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PatchKernel patch commithttps://git.kernel.org/stable/c/49b849824b9862f177fc77fc92ef95ec54566ecf
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PatchKernel patch commithttps://git.kernel.org/stable/c/7a36a6be694df87d019663863b922913947b42af
Frequently asked questions
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What is CVE-2023-54208?
CVE-2023-54208 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 5.4 onward and has been patched in 5.4.235, 5.10.173, 5.15.99 and others. CVE-2023-54208 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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Is there a patch available for CVE-2023-54208?
Yes — CVE-2023-54208 has been patched. Fixed versions include 5.4.235, 5.10.173, 5.15.99 and others. If you are running Linux kernel 5.4 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2023-54208 actively exploited?
No — CVE-2023-54208 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.