CVE-2026-23291

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-23291", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-01-13T15:37:45.992Z", "datePublished": "2026-03-25T10:26:49.634Z", "dateUpdated": "2026-10-15T01:13:44.177Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T22:04:02.263Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnfc: pn533: properly drop the usb interface reference on disconnect\n\nWhen the device is disconnected from the driver, there is a \"dangling\"\nreference count on the usb interface that was grabbed in the probe\ncallback. Fix this up by properly dropping the reference after we are\ndone with it."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/nfc/pn533/usb.c"], "versions": [{"version": "c46ee38620a2aa2b25b16bc9738ace80dbff76a4", "lessThan": "6645b030b0c1fc5bf338bffb0044238f24b2f770", "status": "affected", "versionType": "git"}, {"version": "c46ee38620a2aa2b25b16bc9738ace80dbff76a4", "lessThan": "5be8aa2bcfb53158436182db8dee9d0b8e5901e6", "status": "affected", "versionType": "git"}, {"version": "c46ee38620a2aa2b25b16bc9738ace80dbff76a4", "lessThan": "7398d6570501edc55a50ece820f369ab3c1df2e7", "status": "affected", "versionType": "git"}, {"version": "c46ee38620a2aa2b25b16bc9738ace80dbff76a4", "lessThan": "d1f6d20b3c2642ec85ce6ea5da7155746c31c6d0", "status": "affected", "versionType": "git"}, {"version": "c46ee38620a2aa2b25b16bc9738ace80dbff76a4", "lessThan": "7ff14eb070f0efecb2606f8d7aa01b77d188e886", "status": "affected", "versionType": "git"}, {"version": "c46ee38620a2aa2b25b16bc9738ace80dbff76a4", "lessThan": "00477cab053dc4816b99141d8fcca7a479cfebeb", "status": "affected", "versionType": "git"}, {"version": "c46ee38620a2aa2b25b16bc9738ace80dbff76a4", "lessThan": "4551d6cea00224ab65a0ef35e4e6da0e9c0a2d74", "status": "affected", "versionType": "git"}, {"version": "c46ee38620a2aa2b25b16bc9738ace80dbff76a4", "lessThan": "12133a483dfa832241fbbf09321109a0ea8a520e", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/nfc/pn533/usb.c"], "versions": [{"version": "3.1", "status": "affected"}, {"version": "0", "lessThan": "3.1", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.253", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.203", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.167", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.130", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.77", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.17", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.7", "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": "3.1", "versionEndExcluding": "5.10.253"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.1", "versionEndExcluding": "5.15.203"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.1", "versionEndExcluding": "6.1.167"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.1", "versionEndExcluding": "6.6.130"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.1", "versionEndExcluding": "6.12.77"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.1", "versionEndExcluding": "6.18.17"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.1", "versionEndExcluding": "6.19.7"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.1", "versionEndExcluding": "7.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/6645b030b0c1fc5bf338bffb0044238f24b2f770"}, {"url": "https://git.kernel.org/stable/c/5be8aa2bcfb53158436182db8dee9d0b8e5901e6"}, {"url": "https://git.kernel.org/stable/c/7398d6570501edc55a50ece820f369ab3c1df2e7"}, {"url": "https://git.kernel.org/stable/c/d1f6d20b3c2642ec85ce6ea5da7155746c31c6d0"}, {"url": "https://git.kernel.org/stable/c/7ff14eb070f0efecb2606f8d7aa01b77d188e886"}, {"url": "https://git.kernel.org/stable/c/00477cab053dc4816b99141d8fcca7a479cfebeb"}, {"url": "https://git.kernel.org/stable/c/4551d6cea00224ab65a0ef35e4e6da0e9c0a2d74"}, {"url": "https://git.kernel.org/stable/c/12133a483dfa832241fbbf09321109a0ea8a520e"}], "title": "nfc: pn533: properly drop the usb interface reference on disconnect", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"x_adpType": "supplier", "providerMetadata": {"orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "shortName": "siemens-SADP", "dateUpdated": "2026-10-15T01:13:44.177Z"}, "affected": [{"vendor": "Siemens", "product": "SIMATIC S7-1500 TM MFP - GNU/Linux subsystem", "versions": [{"status": "affected", "version": "0", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}], "references": [{"url": "https://cert-portal.siemens.com/productcert/html/ssa-784472.html"}]}]}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/nfc/pn533/usb.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "6645b030b0c1fc5bf338bffb0044238f24b2f770", "status": "affected", "version": "c46ee38620a2aa2b25b16bc9738ace80dbff76a4", "versionType": "git"}, {"lessThan": "5be8aa2bcfb53158436182db8dee9d0b8e5901e6", "status": "affected", "version": "c46ee38620a2aa2b25b16bc9738ace80dbff76a4", "versionType": "git"}, {"lessThan": "7398d6570501edc55a50ece820f369ab3c1df2e7", "status": "affected", "version": "c46ee38620a2aa2b25b16bc9738ace80dbff76a4", "versionType": "git"}, {"lessThan": "d1f6d20b3c2642ec85ce6ea5da7155746c31c6d0", "status": "affected", "version": "c46ee38620a2aa2b25b16bc9738ace80dbff76a4", "versionType": "git"}, {"lessThan": "7ff14eb070f0efecb2606f8d7aa01b77d188e886", "status": "affected", "version": "c46ee38620a2aa2b25b16bc9738ace80dbff76a4", "versionType": "git"}, {"lessThan": "00477cab053dc4816b99141d8fcca7a479cfebeb", "status": "affected", "version": "c46ee38620a2aa2b25b16bc9738ace80dbff76a4", "versionType": "git"}, {"lessThan": "4551d6cea00224ab65a0ef35e4e6da0e9c0a2d74", "status": "affected", "version": "c46ee38620a2aa2b25b16bc9738ace80dbff76a4", "versionType": "git"}, {"lessThan": "12133a483dfa832241fbbf09321109a0ea8a520e", "status": "affected", "version": "c46ee38620a2aa2b25b16bc9738ace80dbff76a4", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/nfc/pn533/usb.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "3.1"}, {"lessThan": "3.1", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.253", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.203", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.167", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.130", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.77", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.17", "versionType": "semver"}, {"lessThanOrEqual": "6.19.*", "status": "unaffected", "version": "6.19.7", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.0", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"affectedData": [{"defaultStatus": "unknown", "product": "SIMATIC S7-1500 TM MFP - GNU/Linux subsystem", "vendor": "Siemens", "versions": [{"lessThan": "*", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "347BDDE9-6DB3-4F21-865D-FEC08136F2CD", "versionEndExcluding": "5.10.253", "versionStartIncluding": "3.1", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "20DDB3E9-AABF-4107-ADB0-5362AA067045", "versionEndExcluding": "5.15.203", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "2EDC6BAF-B710-4E26-B6AA-D68922EE7B43", "versionEndExcluding": "6.1.167", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "C57BB918-DF28-46B3-94F7-144176841267", "versionEndExcluding": "6.6.130", "versionStartIncluding": "6.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "B3D12E00-E42D-4056-B354-BAD4903C03A5", "versionEndExcluding": "6.12.77", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "A5E006E4-59C7-43C1-9231-62A72219F2BA", "versionEndExcluding": "6.18.17", "versionStartIncluding": "6.13", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "69245D10-0B71-485E-80C3-A64F077004D3", "versionEndExcluding": "6.19.7", "versionStartIncluding": "6.19", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:*", "matchCriteriaId": "F253B622-8837-4245-BCE5-A7BF8FC76A16", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnfc: pn533: properly drop the usb interface reference on disconnect\n\nWhen the device is disconnected from the driver, there is a \"dangling\"\nreference count on the usb interface that was grabbed in the probe\ncallback. Fix this up by properly dropping the reference after we are\ndone with it."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nnfc: pn533: soltar correctamente la referencia de la interfaz USB al desconectarse\n\nCuando el dispositivo se desconecta del controlador, hay un contador de referencias 'colgante' en la interfaz USB que fue obtenida en la funci\u00f3n de devoluci\u00f3n de llamada de sondeo. Solucionar esto soltando correctamente la referencia despu\u00e9s de que hayamos terminado con ella."}], "id": "CVE-2026-23291", "lastModified": "2026-10-15T02:18:47.460", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2026-03-25T11:16:24.197", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/00477cab053dc4816b99141d8fcca7a479cfebeb"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/12133a483dfa832241fbbf09321109a0ea8a520e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4551d6cea00224ab65a0ef35e4e6da0e9c0a2d74"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5be8aa2bcfb53158436182db8dee9d0b8e5901e6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6645b030b0c1fc5bf338bffb0044238f24b2f770"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7398d6570501edc55a50ece820f369ab3c1df2e7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7ff14eb070f0efecb2606f8d7aa01b77d188e886"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d1f6d20b3c2642ec85ce6ea5da7155746c31c6d0"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-784472.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: nfc: pn533: properly drop the usb interface reference on disconnect", "id": "2451186", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2451186"}, "csaw": false, "cwe": "CWE-911", "details": ["A flaw was found in the Linux kernel's `nfc: pn533` driver. When a device is disconnected, a reference count on the USB interface is not properly dropped, leading to a dangling reference. This resource management issue may lead to system instability or a denial of service (DoS)."], "name": "CVE-2026-23291", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-03-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-23291\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-23291\nhttps://lore.kernel.org/linux-cve-announce/2026032525-CVE-2026-23291-eae3@gregkh/T"]}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[c46ee38620a2aa2b25b16bc9738ace80dbff76a4,7398d6570501edc55a50ece820f369ab3c1df2e7)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[c46ee38620a2aa2b25b16bc9738ace80dbff76a4,d1f6d20b3c2642ec85ce6ea5da7155746c31c6d0)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[c46ee38620a2aa2b25b16bc9738ace80dbff76a4,7ff14eb070f0efecb2606f8d7aa01b77d188e886)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[c46ee38620a2aa2b25b16bc9738ace80dbff76a4,00477cab053dc4816b99141d8fcca7a479cfebeb)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[c46ee38620a2aa2b25b16bc9738ace80dbff76a4,4551d6cea00224ab65a0ef35e4e6da0e9c0a2d74)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[c46ee38620a2aa2b25b16bc9738ace80dbff76a4,12133a483dfa832241fbbf09321109a0ea8a520e)"}}], "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": "semver", "value": "3.1"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,3.1)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.1.167,7.0.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.130,7.0.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.77,7.0.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.17,7.0.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.19.7,7.0.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.0-rc2,*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[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": "2026-03-25T21:15:39.373907+00:00", "updated": "2026-05-29T20:30:07.365162+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}