{"id":"CVE-2026-23291","state":"PUBLISHED","title":"nfc: pn533: properly drop the usb interface reference on disconnect","description":"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.","publishedAt":"2026-03-25T10:26:49.634Z","updatedAt":"2026-10-15T01:13:44.177Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"c46ee38620a2aa2b25b16bc9738ace80dbff76a4","status":"affected","lessThan":"6645b030b0c1fc5bf338bffb0044238f24b2f770","versionType":"git"},{"version":"c46ee38620a2aa2b25b16bc9738ace80dbff76a4","status":"affected","lessThan":"5be8aa2bcfb53158436182db8dee9d0b8e5901e6","versionType":"git"},{"version":"c46ee38620a2aa2b25b16bc9738ace80dbff76a4","status":"affected","lessThan":"7398d6570501edc55a50ece820f369ab3c1df2e7","versionType":"git"},{"version":"c46ee38620a2aa2b25b16bc9738ace80dbff76a4","status":"affected","lessThan":"d1f6d20b3c2642ec85ce6ea5da7155746c31c6d0","versionType":"git"},{"version":"c46ee38620a2aa2b25b16bc9738ace80dbff76a4","status":"affected","lessThan":"7ff14eb070f0efecb2606f8d7aa01b77d188e886","versionType":"git"},{"version":"c46ee38620a2aa2b25b16bc9738ace80dbff76a4","status":"affected","lessThan":"00477cab053dc4816b99141d8fcca7a479cfebeb","versionType":"git"},{"version":"c46ee38620a2aa2b25b16bc9738ace80dbff76a4","status":"affected","lessThan":"4551d6cea00224ab65a0ef35e4e6da0e9c0a2d74","versionType":"git"},{"version":"c46ee38620a2aa2b25b16bc9738ace80dbff76a4","status":"affected","lessThan":"12133a483dfa832241fbbf09321109a0ea8a520e","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/nfc/pn533/usb.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.1","versionType":"semver"},{"version":"5.10.253","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.203","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.167","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.130","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.77","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.17","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.7","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/nfc/pn533/usb.c"]}],"references":["https://git.kernel.org/stable/c/6645b030b0c1fc5bf338bffb0044238f24b2f770","https://git.kernel.org/stable/c/5be8aa2bcfb53158436182db8dee9d0b8e5901e6","https://git.kernel.org/stable/c/7398d6570501edc55a50ece820f369ab3c1df2e7","https://git.kernel.org/stable/c/d1f6d20b3c2642ec85ce6ea5da7155746c31c6d0","https://git.kernel.org/stable/c/7ff14eb070f0efecb2606f8d7aa01b77d188e886","https://git.kernel.org/stable/c/00477cab053dc4816b99141d8fcca7a479cfebeb","https://git.kernel.org/stable/c/4551d6cea00224ab65a0ef35e4e6da0e9c0a2d74","https://git.kernel.org/stable/c/12133a483dfa832241fbbf09321109a0ea8a520e","https://cert-portal.siemens.com/productcert/html/ssa-784472.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:11:21.040Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/23xxx/CVE-2026-23291.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-23291","state":"PUBLISHED","datePublished":"2026-03-25T10:26:49.634Z","dateUpdated":"2026-10-15T01:13:44.177Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-01-13T15:37:45.992Z"},"containers":{"cna":{"title":"nfc: pn533: properly drop the usb interface reference on disconnect","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":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"c46ee38620a2aa2b25b16bc9738ace80dbff76a4","status":"affected","lessThan":"6645b030b0c1fc5bf338bffb0044238f24b2f770","versionType":"git"},{"version":"c46ee38620a2aa2b25b16bc9738ace80dbff76a4","status":"affected","lessThan":"5be8aa2bcfb53158436182db8dee9d0b8e5901e6","versionType":"git"},{"version":"c46ee38620a2aa2b25b16bc9738ace80dbff76a4","status":"affected","lessThan":"7398d6570501edc55a50ece820f369ab3c1df2e7","versionType":"git"},{"version":"c46ee38620a2aa2b25b16bc9738ace80dbff76a4","status":"affected","lessThan":"d1f6d20b3c2642ec85ce6ea5da7155746c31c6d0","versionType":"git"},{"version":"c46ee38620a2aa2b25b16bc9738ace80dbff76a4","status":"affected","lessThan":"7ff14eb070f0efecb2606f8d7aa01b77d188e886","versionType":"git"},{"version":"c46ee38620a2aa2b25b16bc9738ace80dbff76a4","status":"affected","lessThan":"00477cab053dc4816b99141d8fcca7a479cfebeb","versionType":"git"},{"version":"c46ee38620a2aa2b25b16bc9738ace80dbff76a4","status":"affected","lessThan":"4551d6cea00224ab65a0ef35e4e6da0e9c0a2d74","versionType":"git"},{"version":"c46ee38620a2aa2b25b16bc9738ace80dbff76a4","status":"affected","lessThan":"12133a483dfa832241fbbf09321109a0ea8a520e","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/nfc/pn533/usb.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.1","versionType":"semver"},{"version":"5.10.253","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.203","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.167","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.130","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.77","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.17","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.7","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/nfc/pn533/usb.c"]}],"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"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T22:04:02.263Z"},"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"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"affected":[{"vendor":"Siemens","product":"SIMATIC S7-1500 TM MFP - 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