CVE-2023-53349

MEDIUM EPSS 8.2%
Published Sep 17, 20259mo ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Sep 17, 2025 9mo ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
8.2% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-401

Affected Products 4

VendorProductVersionRange
linuxlinux_kernel*≥5.8  –  <5.10.173
linuxlinux_kernel*≥5.11  –  <5.15.99
linuxlinux_kernel*≥5.16  –  <6.1.16
linuxlinux_kernel*≥6.2  –  <6.2.3

References 5

  • git.kernel.org https://git.kernel.org/stable/c/2d899592ed7829d0d5140853bac4d58742a6b8af
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/3969b2ebc66039306f505c7c630c5530800f83c0
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/7c405ee63447f14eefcfe12a18aa749abbd596ea
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/a163ee11345d8322321c28bd61631de32455b987
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/fc33380ae06f438b652f66b9370b543976ac8a03
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/2d899592ed7829d0d5140853bac4d58742a6b8af
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/3969b2ebc66039306f505c7c630c5530800f83c0
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/7c405ee63447f14eefcfe12a18aa749abbd596ea
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/a163ee11345d8322321c28bd61631de32455b987
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/fc33380ae06f438b652f66b9370b543976ac8a03
    Patch