CVE-2026-46109 (GCVE-0-2026-46109)
Vulnerability from cvelistv5 – Published: 2026-05-28 09:35 – Updated: 2026-06-14 17:55
VLAI
EPSS
VEX
Title
usb: ulpi: fix memory leak on ulpi_register() error paths
Summary
In the Linux kernel, the following vulnerability has been resolved:
usb: ulpi: fix memory leak on ulpi_register() error paths
Commit 01af542392b5 ("usb: ulpi: fix double free in
ulpi_register_interface() error path") removed kfree(ulpi) from
ulpi_register_interface() to fix a double-free when device_register()
fails.
But when ulpi_of_register() or ulpi_read_id() fail before
device_register() is called, the ulpi allocation is leaked.
Add kfree(ulpi) on both error paths to properly clean up the allocation.
Severity
5.5 (Medium)
Assigner
References
8 references
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
2f70ba9dae13a190673cc3f9b4aad52179738f60 , < 0c2c0c6820fe96fa4be0a0499f8d3f3321b9af6c
(git)
Affected: ee248e6e941e4f2e634df2bd43e5f1ef810ab6df , < f1b855c00988a9cb41134cab7cf9faedba775dd9 (git) Affected: 272a9b26c336a295e4e209157fed809706c1b1f7 , < 7bd61ed0bf9f4f1f2673d489b3bda1555b48d054 (git) Affected: aaeae6533d77e6ed4def85baec01e2815ebbef61 , < b0c0d44adb55c66663886cb6e30ee92cbb0f5385 (git) Affected: 8763f8317bb389aded32a32b08f6751cfff657d2 , < be2c1d825f54277472c87019e82013ac534ddc4c (git) Affected: 38c28fe25611099230f0965c925499bfcf46a795 , < 2a71e01b2cf9b4329ff67102c1bea7448c2a2d2d (git) Affected: 01af542392b5d41fd659d487015a71f627accce3 , < f30ccfc2985590b33a23a3d8bed7ca16c0af551b (git) Affected: 01af542392b5d41fd659d487015a71f627accce3 , < 0b9fcab1b8608d429e5f239afb197de928d4de7d (git) Affected: a6e5461f076c2ef63159f18e5cdbd30b50f0bc15 (git) Affected: 5.10.253 , < 5.10.258 (semver) Affected: 5.15.203 , < 5.15.209 (semver) Affected: 6.1.168 , < 6.1.175 (semver) Affected: 6.6.134 , < 6.6.140 (semver) Affected: 6.12.81 , < 6.12.88 (semver) Affected: 6.18.22 , < 6.18.30 (semver) Affected: 6.19.12 , < 6.20 (semver) |
guessed | |
| Linux | Linux |
Affected:
7.0
Unaffected: 0 , < 7.0 (semver) Unaffected: 5.10.258 , ≤ 5.10.* (semver) Unaffected: 5.15.209 , ≤ 5.15.* (semver) Unaffected: 6.1.175 , ≤ 6.1.* (semver) Unaffected: 6.6.140 , ≤ 6.6.* (semver) Unaffected: 6.12.88 , ≤ 6.12.* (semver) Unaffected: 6.18.30 , ≤ 6.18.* (semver) Unaffected: 7.0.7 , ≤ 7.0.* (semver) Unaffected: 7.1 , ≤ * (original_commit_for_fix) |
guessed |
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}
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"nvd": "{\"cve\":{\"id\":\"CVE-2026-46109\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2026-05-28T10:16:26.307\",\"lastModified\":\"2026-06-24T18:31:16.600\",\"vulnStatus\":\"Undergoing Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nusb: ulpi: fix memory leak on ulpi_register() error paths\\n\\nCommit 01af542392b5 (\\\"usb: ulpi: fix double free in\\nulpi_register_interface() error path\\\") removed kfree(ulpi) from\\nulpi_register_interface() to fix a double-free when device_register()\\nfails.\\n\\nBut when ulpi_of_register() or ulpi_read_id() fail before\\ndevice_register() is called, the ulpi allocation is leaked.\\n\\nAdd kfree(ulpi) on both error paths to properly clean up the allocation.\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"drivers/usb/common/ulpi.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"2f70ba9dae13a190673cc3f9b4aad52179738f60\",\"lessThan\":\"0c2c0c6820fe96fa4be0a0499f8d3f3321b9af6c\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"ee248e6e941e4f2e634df2bd43e5f1ef810ab6df\",\"lessThan\":\"f1b855c00988a9cb41134cab7cf9faedba775dd9\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"272a9b26c336a295e4e209157fed809706c1b1f7\",\"lessThan\":\"7bd61ed0bf9f4f1f2673d489b3bda1555b48d054\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"aaeae6533d77e6ed4def85baec01e2815ebbef61\",\"lessThan\":\"b0c0d44adb55c66663886cb6e30ee92cbb0f5385\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"8763f8317bb389aded32a32b08f6751cfff657d2\",\"lessThan\":\"be2c1d825f54277472c87019e82013ac534ddc4c\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"38c28fe25611099230f0965c925499bfcf46a795\",\"lessThan\":\"2a71e01b2cf9b4329ff67102c1bea7448c2a2d2d\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"01af542392b5d41fd659d487015a71f627accce3\",\"lessThan\":\"f30ccfc2985590b33a23a3d8bed7ca16c0af551b\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"01af542392b5d41fd659d487015a71f627accce3\",\"lessThan\":\"0b9fcab1b8608d429e5f239afb197de928d4de7d\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"a6e5461f076c2ef63159f18e5cdbd30b50f0bc15\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"5.10.253\",\"lessThan\":\"5.10.258\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"5.15.203\",\"lessThan\":\"5.15.209\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"6.1.168\",\"lessThan\":\"6.1.175\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"6.6.134\",\"lessThan\":\"6.6.140\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"6.12.81\",\"lessThan\":\"6.12.88\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"6.18.22\",\"lessThan\":\"6.18.30\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"6.19.12\",\"lessThan\":\"6.20\",\"versionType\":\"semver\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"drivers/usb/common/ulpi.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"7.0\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"7.0\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.10.258\",\"lessThanOrEqual\":\"5.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15.209\",\"lessThanOrEqual\":\"5.15.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.1.175\",\"lessThanOrEqual\":\"6.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.6.140\",\"lessThanOrEqual\":\"6.6.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.12.88\",\"lessThanOrEqual\":\"6.12.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.18.30\",\"lessThanOrEqual\":\"6.18.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"7.0.7\",\"lessThanOrEqual\":\"7.0.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"7.1\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-401\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.10.253\",\"versionEndExcluding\":\"5.10.258\",\"matchCriteriaId\":\"9E840E33-DF41-44DF-AA3A-C3844291CC0A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.15.203\",\"versionEndExcluding\":\"5.15.209\",\"matchCriteriaId\":\"7076171D-667E-4312-8F73-B0BA78F11B20\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.1.168\",\"versionEndExcluding\":\"6.1.175\",\"matchCriteriaId\":\"BA615F2E-CA22-4102-8963-19B863562B8B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.6.134\",\"versionEndExcluding\":\"6.6.140\",\"matchCriteriaId\":\"8714203A-5D7A-4443-8CC2-6DEF43B4CCF1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.12.81\",\"versionEndExcluding\":\"6.12.88\",\"matchCriteriaId\":\"CA32E2A4-D435-4C35-8B32-BEBF0BF89081\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.18.22\",\"versionEndExcluding\":\"6.18.30\",\"matchCriteriaId\":\"C03B05A0-3CCE-4C25-9611-60C21322DDE1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.19.12\",\"versionEndExcluding\":\"7.0\",\"matchCriteriaId\":\"3E8EC0D8-1F19-40EC-8F9E-9E4FCF84758C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"7.0.1\",\"versionEndExcluding\":\"7.0.7\",\"matchCriteriaId\":\"4E7653F8-38DF-470F-848F-5CB1C487C23E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:7.0:-:*:*:*:*:*:*\",\"matchCriteriaId\":\"EF897730-3F1E-47A2-8B07-22535202C487\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:7.0:rc7:*:*:*:*:*:*\",\"matchCriteriaId\":\"512EE3A8-A590-4501-9A94-5D4B268D6138\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:7.1:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"B1EF7059-E670-45F4-B422-54C40FA86390\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:7.1:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"0D38F0BF-A728-4133-A358-D44A2F7EE6D6\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/0b9fcab1b8608d429e5f239afb197de928d4de7d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/0c2c0c6820fe96fa4be0a0499f8d3f3321b9af6c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/2a71e01b2cf9b4329ff67102c1bea7448c2a2d2d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/7bd61ed0bf9f4f1f2673d489b3bda1555b48d054\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/b0c0d44adb55c66663886cb6e30ee92cbb0f5385\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/be2c1d825f54277472c87019e82013ac534ddc4c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/f1b855c00988a9cb41134cab7cf9faedba775dd9\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/f30ccfc2985590b33a23a3d8bed7ca16c0af551b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}",
"redhat_vex": {
"aggregate_severity": "None",
"current_release_date": "2026-06-28T07:40:52+00:00",
"cve": "CVE-2026-46109",
"id": "CVE-2026-46109",
"initial_release_date": "2026-05-28T00:00:00+00:00",
"product_status:known_not_affected": "274",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: usb: ulpi: fix memory leak on ulpi_register() error paths",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-46109.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-08-31T13:37:38Z",
"cve": "CVE-2026-46109",
"id": "CVE-2026-46109",
"initial_release_date": "2026-05-29T01:17:05Z",
"product_status:first_fixed": "2",
"product_status:known_not_affected": "173",
"product_status:recommended": "469",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2026-46109",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2026-46109.json",
"version": "13"
}
}
}
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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.
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.
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