CVE-2023-53349 (GCVE-0-2023-53349)
Vulnerability from cvelistv5 – Published: 2025-09-17 14:56 – Updated: 2026-05-11 19:43
VLAI
EPSS
VEX
Title
media: ov2740: Fix memleak in ov2740_init_controls()
Summary
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.
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-14 18:40 UTC
CWE
- CWE-401 - Missing Release of Memory after Effective Lifetime
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
866edc895171f1256aad3e81dce193447955c202 , < a163ee11345d8322321c28bd61631de32455b987
(git)
Affected: 866edc895171f1256aad3e81dce193447955c202 , < 3969b2ebc66039306f505c7c630c5530800f83c0 (git) Affected: 866edc895171f1256aad3e81dce193447955c202 , < fc33380ae06f438b652f66b9370b543976ac8a03 (git) Affected: 866edc895171f1256aad3e81dce193447955c202 , < 7c405ee63447f14eefcfe12a18aa749abbd596ea (git) Affected: 866edc895171f1256aad3e81dce193447955c202 , < 2d899592ed7829d0d5140853bac4d58742a6b8af (git) |
guessed | |
| Linux | Linux |
Affected:
5.8
Unaffected: 0 , < 5.8 (semver) Unaffected: 5.10.173 , ≤ 5.10.* (semver) Unaffected: 5.15.99 , ≤ 5.15.* (semver) Unaffected: 6.1.16 , ≤ 6.1.* (semver) Unaffected: 6.2.3 , ≤ 6.2.* (semver) Unaffected: 6.3 , ≤ * (original_commit_for_fix) |
guessed |
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: ov2740: Fix memleak in ov2740_init_controls()\n\nThere is a kmemleak when testing the media/i2c/ov2740.c with bpf mock\ndevice:\n\nunreferenced object 0xffff8881090e19e0 (size 16):\n comm \"51-i2c-ov2740\", pid 278, jiffies 4294781584 (age 23.613s)\n hex dump (first 16 bytes):\n 00 f3 7c 0b 81 88 ff ff 80 75 6a 09 81 88 ff ff ..|......uj.....\n backtrace:\n [\u003c000000004e9fad8f\u003e] __kmalloc_node+0x44/0x1b0\n [\u003c0000000039c802f4\u003e] kvmalloc_node+0x34/0x180\n [\u003c000000009b8b5c63\u003e] v4l2_ctrl_handler_init_class+0x11d/0x180\n[videodev]\n [\u003c0000000038644056\u003e] ov2740_probe+0x37d/0x84f [ov2740]\n [\u003c0000000092489f59\u003e] i2c_device_probe+0x28d/0x680\n [\u003c000000001038babe\u003e] really_probe+0x17c/0x3f0\n [\u003c0000000098c7af1c\u003e] __driver_probe_device+0xe3/0x170\n [\u003c00000000e1b3dc24\u003e] device_driver_attach+0x34/0x80\n [\u003c000000005a04a34d\u003e] bind_store+0x10b/0x1a0\n [\u003c00000000ce25d4f2\u003e] drv_attr_store+0x49/0x70\n [\u003c000000007d9f4e9a\u003e] sysfs_kf_write+0x8c/0xb0\n [\u003c00000000be6cff0f\u003e] kernfs_fop_write_iter+0x216/0x2e0\n [\u003c0000000031ddb40a\u003e] vfs_write+0x658/0x810\n [\u003c0000000041beecdd\u003e] ksys_write+0xd6/0x1b0\n [\u003c0000000023755840\u003e] do_syscall_64+0x38/0x90\n [\u003c00000000b2cc2da2\u003e] entry_SYSCALL_64_after_hwframe+0x63/0xcd\n\nov2740_init_controls() won\u0027t clean all the allocated resources in fail\npath, which may causes the memleaks. Add v4l2_ctrl_handler_free() to\nprevent memleak."
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"title": "media: ov2740: Fix memleak in ov2740_init_controls()",
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"redhat_vex": {
"aggregate_severity": "None",
"current_release_date": "2026-06-30T10:36:16+00:00",
"cve": "CVE-2023-53349",
"id": "CVE-2023-53349",
"initial_release_date": "2023-01-01T00:00:00+00:00",
"product_status:known_not_affected": "274",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: media: ov2740: Fix memleak in ov2740_init_controls()",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-53349.json",
"version": "3"
},
"vulnrichment": {
"containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 5.5, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"NONE\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2023-53349\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-01-14T18:40:56.511300Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-401\", \"description\": \"CWE-401 Missing Release of Memory after Effective Lifetime\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-01-14T18:40:52.350Z\"}}], \"cna\": {\"title\": \"media: ov2740: Fix memleak in ov2740_init_controls()\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"866edc895171f1256aad3e81dce193447955c202\", \"lessThan\": \"a163ee11345d8322321c28bd61631de32455b987\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"866edc895171f1256aad3e81dce193447955c202\", \"lessThan\": \"3969b2ebc66039306f505c7c630c5530800f83c0\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"866edc895171f1256aad3e81dce193447955c202\", \"lessThan\": \"fc33380ae06f438b652f66b9370b543976ac8a03\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"866edc895171f1256aad3e81dce193447955c202\", \"lessThan\": \"7c405ee63447f14eefcfe12a18aa749abbd596ea\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"866edc895171f1256aad3e81dce193447955c202\", \"lessThan\": \"2d899592ed7829d0d5140853bac4d58742a6b8af\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/media/i2c/ov2740.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"5.8\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"5.8\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"5.10.173\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.99\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1.16\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.2.3\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.2.*\"}, {\"status\": \"unaffected\", \"version\": \"6.3\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/media/i2c/ov2740.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/a163ee11345d8322321c28bd61631de32455b987\"}, {\"url\": \"https://git.kernel.org/stable/c/3969b2ebc66039306f505c7c630c5530800f83c0\"}, {\"url\": \"https://git.kernel.org/stable/c/fc33380ae06f438b652f66b9370b543976ac8a03\"}, {\"url\": \"https://git.kernel.org/stable/c/7c405ee63447f14eefcfe12a18aa749abbd596ea\"}, {\"url\": \"https://git.kernel.org/stable/c/2d899592ed7829d0d5140853bac4d58742a6b8af\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nmedia: ov2740: Fix memleak in ov2740_init_controls()\\n\\nThere is a kmemleak when testing the media/i2c/ov2740.c with bpf mock\\ndevice:\\n\\nunreferenced object 0xffff8881090e19e0 (size 16):\\n comm \\\"51-i2c-ov2740\\\", pid 278, jiffies 4294781584 (age 23.613s)\\n hex dump (first 16 bytes):\\n 00 f3 7c 0b 81 88 ff ff 80 75 6a 09 81 88 ff ff ..|......uj.....\\n backtrace:\\n [\u003c000000004e9fad8f\u003e] __kmalloc_node+0x44/0x1b0\\n [\u003c0000000039c802f4\u003e] kvmalloc_node+0x34/0x180\\n [\u003c000000009b8b5c63\u003e] v4l2_ctrl_handler_init_class+0x11d/0x180\\n[videodev]\\n [\u003c0000000038644056\u003e] ov2740_probe+0x37d/0x84f [ov2740]\\n [\u003c0000000092489f59\u003e] i2c_device_probe+0x28d/0x680\\n [\u003c000000001038babe\u003e] really_probe+0x17c/0x3f0\\n [\u003c0000000098c7af1c\u003e] __driver_probe_device+0xe3/0x170\\n [\u003c00000000e1b3dc24\u003e] device_driver_attach+0x34/0x80\\n [\u003c000000005a04a34d\u003e] bind_store+0x10b/0x1a0\\n [\u003c00000000ce25d4f2\u003e] drv_attr_store+0x49/0x70\\n [\u003c000000007d9f4e9a\u003e] sysfs_kf_write+0x8c/0xb0\\n [\u003c00000000be6cff0f\u003e] kernfs_fop_write_iter+0x216/0x2e0\\n [\u003c0000000031ddb40a\u003e] vfs_write+0x658/0x810\\n [\u003c0000000041beecdd\u003e] ksys_write+0xd6/0x1b0\\n [\u003c0000000023755840\u003e] do_syscall_64+0x38/0x90\\n [\u003c00000000b2cc2da2\u003e] entry_SYSCALL_64_after_hwframe+0x63/0xcd\\n\\nov2740_init_controls() won\u0027t clean all the allocated resources in fail\\npath, which may causes the memleaks. Add v4l2_ctrl_handler_free() to\\nprevent memleak.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.173\", \"versionStartIncluding\": \"5.8\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.99\", \"versionStartIncluding\": \"5.8\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.16\", \"versionStartIncluding\": \"5.8\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.2.3\", \"versionStartIncluding\": \"5.8\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.3\", \"versionStartIncluding\": \"5.8\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-11T19:43:13.660Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2023-53349\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-11T19:43:13.660Z\", \"dateReserved\": \"2025-09-16T16:08:59.566Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2025-09-17T14:56:40.510Z\", \"assignerShortName\": \"Linux\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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