{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-43291", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-01T14:12:55.999Z", "datePublished": "2026-05-08T13:11:15.312Z", "dateUpdated": "2026-05-08T13:11:15.312Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-08T13:11:15.312Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: nfc: nci: Fix parameter validation for packet data\n\nSince commit 9c328f54741b (\"net: nfc: nci: Add parameter validation for\npacket data\") communication with nci nfc chips is not working any more.\n\nThe mentioned commit tries to fix access of uninitialized data, but\nfailed to understand that in some cases the data packet is of variable\nlength and can therefore not be compared to the maximum packet length\ngiven by the sizeof(struct)."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/nfc/nci/ntf.c"], "versions": [{"version": "8fcc7315a10a84264e55bb65ede10f0af20a983f", "lessThan": "a24a8a582da4426b2042e510a1080df84083b51d", "status": "affected", "versionType": "git"}, {"version": "bfdda0123dde406dbff62e7e9136037e97998a15", "lessThan": "f5218426f765eee22e178df9c126d974792fb6a5", "status": "affected", "versionType": "git"}, {"version": "0ba68bea1e356f466ad29449938bea12f5f3711f", "lessThan": "ad058a4317db7fdb3f09caa6ed536d24a62ce6a0", "status": "affected", "versionType": "git"}, {"version": "74837bca0748763a77f77db47a0bdbe63b347628", "lessThan": "3b91160e9a91b5a2662875417dc42dc5b0bf03ea", "status": "affected", "versionType": "git"}, {"version": "9c328f54741bd5465ca1dc717c84c04242fac2e1", "lessThan": "c692db813a7e3b7c3c17d6e9a3ad2a018bf1142b", "status": "affected", "versionType": "git"}, {"version": "9c328f54741bd5465ca1dc717c84c04242fac2e1", "lessThan": "498fc5d0d650c77e87fcc73808d4f43240c21805", "status": "affected", "versionType": "git"}, {"version": "9c328f54741bd5465ca1dc717c84c04242fac2e1", "lessThan": "571dcbeb8e635182bb825ae758399831805693c2", "status": "affected", "versionType": "git"}, {"version": "c395d1e548cc68e84584ffa2e3ca9796a78bf7b9", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/nfc/nci/ntf.c"], "versions": [{"version": "6.18", "status": "affected"}, {"version": "0", "lessThan": "6.18", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.202", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.165", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.128", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.75", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.16", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.6", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15.195", "versionEndExcluding": "5.15.202"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.1.156", "versionEndExcluding": "6.1.165"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6.112", "versionEndExcluding": "6.6.128"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12.53", "versionEndExcluding": "6.12.75"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18", "versionEndExcluding": "6.18.16"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18", "versionEndExcluding": "6.19.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18", "versionEndExcluding": "7.0"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.17.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/a24a8a582da4426b2042e510a1080df84083b51d"}, {"url": "https://git.kernel.org/stable/c/f5218426f765eee22e178df9c126d974792fb6a5"}, {"url": "https://git.kernel.org/stable/c/ad058a4317db7fdb3f09caa6ed536d24a62ce6a0"}, {"url": "https://git.kernel.org/stable/c/3b91160e9a91b5a2662875417dc42dc5b0bf03ea"}, {"url": "https://git.kernel.org/stable/c/c692db813a7e3b7c3c17d6e9a3ad2a018bf1142b"}, {"url": "https://git.kernel.org/stable/c/498fc5d0d650c77e87fcc73808d4f43240c21805"}, {"url": "https://git.kernel.org/stable/c/571dcbeb8e635182bb825ae758399831805693c2"}], "title": "net: nfc: nci: Fix parameter validation for packet data", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: nfc: nci: Fix parameter validation for packet data\n\nSince commit 9c328f54741b (\"net: nfc: nci: Add parameter validation for\npacket data\") communication with nci nfc chips is not working any more.\n\nThe mentioned commit tries to fix access of uninitialized data, but\nfailed to understand that in some cases the data packet is of variable\nlength and can therefore not be compared to the maximum packet length\ngiven by the sizeof(struct)."}], "id": "CVE-2026-43291", "lastModified": "2026-05-08T14:16:36.120", "metrics": {}, "published": "2026-05-08T14:16:36.120", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3b91160e9a91b5a2662875417dc42dc5b0bf03ea"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/498fc5d0d650c77e87fcc73808d4f43240c21805"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/571dcbeb8e635182bb825ae758399831805693c2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a24a8a582da4426b2042e510a1080df84083b51d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ad058a4317db7fdb3f09caa6ed536d24a62ce6a0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c692db813a7e3b7c3c17d6e9a3ad2a018bf1142b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f5218426f765eee22e178df9c126d974792fb6a5"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[8fcc7315a10a84264e55bb65ede10f0af20a983f,a24a8a582da4426b2042e510a1080df84083b51d)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[bfdda0123dde406dbff62e7e9136037e97998a15,f5218426f765eee22e178df9c126d974792fb6a5)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0ba68bea1e356f466ad29449938bea12f5f3711f,ad058a4317db7fdb3f09caa6ed536d24a62ce6a0)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[74837bca0748763a77f77db47a0bdbe63b347628,3b91160e9a91b5a2662875417dc42dc5b0bf03ea)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[9c328f54741bd5465ca1dc717c84c04242fac2e1,c692db813a7e3b7c3c17d6e9a3ad2a018bf1142b)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[9c328f54741bd5465ca1dc717c84c04242fac2e1,498fc5d0d650c77e87fcc73808d4f43240c21805)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[9c328f54741bd5465ca1dc717c84c04242fac2e1,571dcbeb8e635182bb825ae758399831805693c2)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "c395d1e548cc68e84584ffa2e3ca9796a78bf7b9"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "6.18"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.18)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[5.15.202,5.16.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.1.165,6.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.6.128,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.12.75,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.18.16,7.0.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.19.6,6.20.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.0,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-05-08T15:15:10.523327+00:00", "updated": "2026-05-08T15:45:08.667425+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-20"]}