cbcvebase.
CVE-2023-53349
published 2025-09-17

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…

PriorityP419medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.18%
8.2th percentile
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: [] __kmalloc_node+0x44/0x1b0 [] kvmalloc_node+0x34/0x180 [] v4l2_ctrl_handler_init_class+0x11d/0x180 [videodev] [] ov2740_probe+0x37d/0x84f [ov2740] [] i2c_device_probe+0x28d/0x680 [] really_probe+0x17c/0x3f0 [] __driver_probe_device+0xe3/0x170 [] device_driver_attach+0x34/0x80 [] bind_store+0x10b/0x1a0 [] drv_attr_store+0x49/0x70 [] sysfs_kf_write+0x8c/0xb0 [] kernfs_fop_write_iter+0x216/0x2e0 [] vfs_write+0x658/0x810 [] ksys_write+0xd6/0x1b0 [] do_syscall_64+0x38/0x90 [] 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.

Affected

15 ranges
VendorProductVersion rangeFixed in
debianlinux< linux 6.1.20-1 (bookworm)linux 6.1.20-1 (bookworm)
linuxlinux——
linuxlinux>= 866edc895171f1256aad3e81dce193447955c202 < a163ee11345d8322321c28bd61631de32455b987a163ee11345d8322321c28bd61631de32455b987
linuxlinux>= 866edc895171f1256aad3e81dce193447955c202 < 3969b2ebc66039306f505c7c630c5530800f83c03969b2ebc66039306f505c7c630c5530800f83c0
linuxlinux>= 866edc895171f1256aad3e81dce193447955c202 < fc33380ae06f438b652f66b9370b543976ac8a03fc33380ae06f438b652f66b9370b543976ac8a03
linuxlinux>= 866edc895171f1256aad3e81dce193447955c202 < 7c405ee63447f14eefcfe12a18aa749abbd596ea7c405ee63447f14eefcfe12a18aa749abbd596ea
linuxlinux>= 866edc895171f1256aad3e81dce193447955c202 < 2d899592ed7829d0d5140853bac4d58742a6b8af2d899592ed7829d0d5140853bac4d58742a6b8af
linuxlinux_kernel>= 0 < 5.10.178-15.10.178-1
linuxlinux_kernel>= 0 < 6.1.20-16.1.20-1
linuxlinux_kernel>= 0 < 6.1.20-16.1.20-1
linuxlinux_kernel>= 0 < 6.1.20-16.1.20-1
linuxlinux_kernel>= 5.11 < 5.15.995.15.99
linuxlinux_kernel>= 5.16 < 6.1.166.1.16
linuxlinux_kernel>= 5.8 < 5.10.1735.10.173
linuxlinux_kernel>= 6.2 < 6.2.36.2.3

CVSS provenance

nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
osv5.5MEDIUM
vendor_debian5.5MEDIUM
vendor_redhat5.5MEDIUM
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