CVE-2023-53349

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2023-53349
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.

5.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://git.kernel.org/stable/c/2d899592ed7829d0d5140853bac4d58742a6b8af Patch
https://git.kernel.org/stable/c/3969b2ebc66039306f505c7c630c5530800f83c0 Patch
https://git.kernel.org/stable/c/7c405ee63447f14eefcfe12a18aa749abbd596ea Patch
https://git.kernel.org/stable/c/a163ee11345d8322321c28bd61631de32455b987 Patch
https://git.kernel.org/stable/c/fc33380ae06f438b652f66b9370b543976ac8a03 Patch
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
History

11 Dec 2025, 12:51

Type Values Removed Values Added
CWE CWE-401
First Time Linux
Linux linux Kernel
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5
References () https://git.kernel.org/stable/c/2d899592ed7829d0d5140853bac4d58742a6b8af - () https://git.kernel.org/stable/c/2d899592ed7829d0d5140853bac4d58742a6b8af - Patch
References () https://git.kernel.org/stable/c/3969b2ebc66039306f505c7c630c5530800f83c0 - () https://git.kernel.org/stable/c/3969b2ebc66039306f505c7c630c5530800f83c0 - Patch
References () https://git.kernel.org/stable/c/7c405ee63447f14eefcfe12a18aa749abbd596ea - () https://git.kernel.org/stable/c/7c405ee63447f14eefcfe12a18aa749abbd596ea - Patch
References () https://git.kernel.org/stable/c/a163ee11345d8322321c28bd61631de32455b987 - () https://git.kernel.org/stable/c/a163ee11345d8322321c28bd61631de32455b987 - Patch
References () https://git.kernel.org/stable/c/fc33380ae06f438b652f66b9370b543976ac8a03 - () https://git.kernel.org/stable/c/fc33380ae06f438b652f66b9370b543976ac8a03 - Patch

17 Sep 2025, 15:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-09-17 15:15

Updated : 2026-01-14 19:16

NVD link : CVE-2023-53349

Mitre link : CVE-2023-53349

CVE.ORG link : CVE-2023-53349

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-401

Missing Release of Memory after Effective Lifetime