CVE-2022-49923 (GCVE-0-2022-49923)
Vulnerability from cvelistv5 – Published: 2025-05-01 14:11 – Updated: 2026-05-11 19:09
VLAI
EPSS
VEX
Title
nfc: nxp-nci: Fix potential memory leak in nxp_nci_send()
Summary
In the Linux kernel, the following vulnerability has been resolved:
nfc: nxp-nci: Fix potential memory leak in nxp_nci_send()
nxp_nci_send() will call nxp_nci_i2c_write(), and only free skb when
nxp_nci_i2c_write() failed. However, even if the nxp_nci_i2c_write()
run succeeds, the skb will not be freed in nxp_nci_i2c_write(). As the
result, the skb will memleak. nxp_nci_send() should also free the skb
when nxp_nci_i2c_write() succeeds.
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-01 14:57 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:
dece45855a8b0d1dcf48eb01d0822070ded6a4c8 , < 9ae2c9a91ff068f4c3e392f47e8e26a1c9f85ebb
(git)
Affected: dece45855a8b0d1dcf48eb01d0822070ded6a4c8 , < 3cba1f061bfe23fece2841129ca2862cdec29d5c (git) Affected: dece45855a8b0d1dcf48eb01d0822070ded6a4c8 , < 3ecf0f4227029b2c42e036b10ff6e5d09e20821e (git) Affected: dece45855a8b0d1dcf48eb01d0822070ded6a4c8 , < 7bf1ed6aff0f70434bd0cdd45495e83f1dffb551 (git) |
guessed | |
| Linux | Linux |
Affected:
4.1
Unaffected: 0 , < 4.1 (semver) Unaffected: 5.10.154 , ≤ 5.10.* (semver) Unaffected: 5.15.78 , ≤ 5.15.* (semver) Unaffected: 6.0.8 , ≤ 6.0.* (semver) Unaffected: 6.1 , ≤ * (original_commit_for_fix) |
guessed |
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},
"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-2022-49923\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-10-01T14:57:48.621436Z\"}}}], \"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\": \"2025-10-01T14:18:25.286Z\"}}], \"cna\": {\"title\": \"nfc: nxp-nci: Fix potential memory leak in nxp_nci_send()\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"dece45855a8b0d1dcf48eb01d0822070ded6a4c8\", \"lessThan\": \"9ae2c9a91ff068f4c3e392f47e8e26a1c9f85ebb\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"dece45855a8b0d1dcf48eb01d0822070ded6a4c8\", \"lessThan\": \"3cba1f061bfe23fece2841129ca2862cdec29d5c\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"dece45855a8b0d1dcf48eb01d0822070ded6a4c8\", \"lessThan\": \"3ecf0f4227029b2c42e036b10ff6e5d09e20821e\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"dece45855a8b0d1dcf48eb01d0822070ded6a4c8\", \"lessThan\": \"7bf1ed6aff0f70434bd0cdd45495e83f1dffb551\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/nfc/nxp-nci/core.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.1\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"4.1\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"5.10.154\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.78\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.0.8\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.0.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/nfc/nxp-nci/core.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/9ae2c9a91ff068f4c3e392f47e8e26a1c9f85ebb\"}, {\"url\": \"https://git.kernel.org/stable/c/3cba1f061bfe23fece2841129ca2862cdec29d5c\"}, {\"url\": \"https://git.kernel.org/stable/c/3ecf0f4227029b2c42e036b10ff6e5d09e20821e\"}, {\"url\": \"https://git.kernel.org/stable/c/7bf1ed6aff0f70434bd0cdd45495e83f1dffb551\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnfc: nxp-nci: Fix potential memory leak in nxp_nci_send()\\n\\nnxp_nci_send() will call nxp_nci_i2c_write(), and only free skb when\\nnxp_nci_i2c_write() failed. However, even if the nxp_nci_i2c_write()\\nrun succeeds, the skb will not be freed in nxp_nci_i2c_write(). As the\\nresult, the skb will memleak. nxp_nci_send() should also free the skb\\nwhen nxp_nci_i2c_write() succeeds.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.154\", \"versionStartIncluding\": \"4.1\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.78\", \"versionStartIncluding\": \"4.1\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.0.8\", \"versionStartIncluding\": \"4.1\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1\", \"versionStartIncluding\": \"4.1\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-04T08:48:52.582Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2022-49923\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-10-01T14:57:51.022Z\", \"dateReserved\": \"2025-05-01T14:05:17.252Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2025-05-01T14:11:02.652Z\", \"assignerShortName\": \"Linux\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
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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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