CVE-2023-53349— media: ov2740: Fix memleak in ov2740_init_controls()
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I. Basic Information for CVE-2023-53349
Vulnerability Information
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Vulnerability Title
media: ov2740: Fix memleak in ov2740_init_controls()
Source: NVD (National Vulnerability Database)
Vulnerability 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 [<000000007d9f4e9a>] sysfs_kf_write+0x8c/0xb0 [<00000000be6cff0f>] kernfs_fop_write_iter+0x216/0x2e0 [<0000000031ddb40a>] vfs_write+0x658/0x810 [<0000000041beecdd>] ksys_write+0xd6/0x1b0 [<0000000023755840>] do_syscall_64+0x38/0x90 [<00000000b2cc2da2>] entry_SYSCALL_64_after_hwframe+0x63/0xcd ov2740_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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于media/i2c/ov2740.c中的ov2740_init_controls函数存在内存泄漏。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2023-53349
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Same Patch Batch · Linux · 2025-09-17 · 56 CVEs total
| CVE-2022-50370 | i2c: designware: Fix handling of real but unexpected device interrupts | |
| CVE-2022-50355 | staging: vt6655: fix some erroneous memory clean-up loops | |
| CVE-2022-50358 | brcmfmac: return error when getting invalid max_flowrings from dongle | |
| CVE-2022-50356 | net: sched: sfb: fix null pointer access issue when sfb_init() fails | |
| CVE-2022-50357 | usb: dwc3: core: fix some leaks in probe | |
| CVE-2022-50359 | media: cx88: Fix a null-ptr-deref bug in buffer_prepare() | |
| CVE-2022-50354 | drm/amdkfd: Fix kfd_process_device_init_vm error handling | |
| CVE-2022-50367 | fs: fix UAF/GPF bug in nilfs_mdt_destroy | |
| CVE-2022-50368 | drm/msm/dsi: fix memory corruption with too many bridges | |
| CVE-2022-50369 | drm/vkms: Fix null-ptr-deref in vkms_release() | |
| CVE-2022-50366 | powercap: intel_rapl: fix UBSAN shift-out-of-bounds issue | |
| CVE-2022-50371 | led: qcom-lpg: Fix sleeping in atomic | |
| CVE-2022-50372 | cifs: Fix memory leak when build ntlmssp negotiate blob failed | |
| CVE-2022-50373 | fs: dlm: fix race in lowcomms | |
| CVE-2022-50374 | Bluetooth: hci_{ldisc,serdev}: check percpu_init_rwsem() failure | |
| CVE-2023-53335 | RDMA/cxgb4: Fix potential null-ptr-deref in pass_establish() | |
| CVE-2023-53336 | media: ipu-bridge: Fix null pointer deref on SSDB/PLD parsing warnings | |
| CVE-2023-53337 | nilfs2: do not write dirty data after degenerating to read-only | |
| CVE-2023-53338 | lwt: Fix return values of BPF xmit ops | |
| CVE-2023-53339 | btrfs: fix BUG_ON condition in btrfs_cancel_balance |
Showing top 20 of 56 CVEs. View all on vendor page → →
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Same vendor: Linux
- CVE-2026-43500
rxrpc: Also unshare DATA/RESPONSE packets when paged frags a - CVE-2026-43475
scsi: storvsc: Fix scheduling while atomic on PREEMPT_RT - CVE-2026-43474
fs: init flags_valid before calling vfs_fileattr_get - CVE-2026-43473
scsi: mpi3mr: Add NULL checks when resetting request and rep - CVE-2026-43472
unshare: fix unshare_fs() handling
V. Comments for CVE-2023-53349
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