CVE-2023-53349

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Source
https://cve.org/CVERecord?id=CVE-2023-53349
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-53349.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2023-53349
Downstream
Related
Published
2025-09-17T14:56:40.510Z
Modified
2026-03-20T12:33:06.913630Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
media: ov2740: Fix memleak in ov2740_init_controls()
Details

In the Linux kernel, the following vulnerability has been resolved:

media: ov2740: Fix memleak in ov2740initcontrols()

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>] __kmallocnode+0x44/0x1b0 [<0000000039c802f4>] kvmallocnode+0x34/0x180 [<000000009b8b5c63>] v4l2ctrlhandlerinitclass+0x11d/0x180 [videodev] [<0000000038644056>] ov2740probe+0x37d/0x84f [ov2740] [<0000000092489f59>] i2cdeviceprobe+0x28d/0x680 [<000000001038babe>] reallyprobe+0x17c/0x3f0 [<0000000098c7af1c>] __driverprobedevice+0xe3/0x170 [<00000000e1b3dc24>] devicedriverattach+0x34/0x80 [<000000005a04a34d>] bindstore+0x10b/0x1a0 [<00000000ce25d4f2>] drvattrstore+0x49/0x70 [<000000007d9f4e9a>] sysfskfwrite+0x8c/0xb0 [<00000000be6cff0f>] kernfsfopwriteiter+0x216/0x2e0 [<0000000031ddb40a>] vfswrite+0x658/0x810 [<0000000041beecdd>] ksyswrite+0xd6/0x1b0 [<0000000023755840>] dosyscall64+0x38/0x90 [<00000000b2cc2da2>] entrySYSCALL64afterhwframe+0x63/0xcd

ov2740initcontrols() won't clean all the allocated resources in fail path, which may causes the memleaks. Add v4l2ctrlhandler_free() to prevent memleak.

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53349.json",
    "cna_assigner": "Linux"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
866edc895171f1256aad3e81dce193447955c202
Fixed
a163ee11345d8322321c28bd61631de32455b987
Fixed
3969b2ebc66039306f505c7c630c5530800f83c0
Fixed
fc33380ae06f438b652f66b9370b543976ac8a03
Fixed
7c405ee63447f14eefcfe12a18aa749abbd596ea
Fixed
2d899592ed7829d0d5140853bac4d58742a6b8af

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-53349.json"